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web design

jQuery custom content scroller

jQuery custom content scroller

Highly customizable custom scrollbar jQuery plugin. Features include vertical and/or horizontal scrollbar(s), adjustable scrolling momentum, mouse-wheel (via jQuery mousewheel plugin), keyboard and touch support, ready-to-use themes and customization via CSS, RTL direction support, option parameters for full control of scrollbar functionality, methods for triggering actions like scroll-to, update, destroy etc., user-defined callbacks and more.

Current version 3.1.5 (Changelog)
Upgrading from version 2

When upgrading from version 2.x to 3.x it’s important to use version 3 CSS and .png files. Version 3 is backwards compatible but it’s also a huge overhaul. One significant change is that you don’t need to call the update method manually (the script does it automatically). For more info see changelog.

Version 2 is still maintained and updated here.

How to use it

Get started by downloading the archive which contains the plugin files (and a large amount of HTML demos and examples). Extract and upload jquery.mCustomScrollbar.concat.min.js, jquery.mCustomScrollbar.css and mCSB_buttons.png to your web server (alternatively you can load plugin files from a CDN).

Instead of hosting the plugin files on your web server, you can load them directly from a CDN like jsdelivr, Github etc.

  • jsdelivr versioned/minified
    • //
    • //
    • //
  • Github latest/minified
    • //
    • //
    • //


Include jquery.mCustomScrollbar.css in the head tag your HTML document (more info)

jquery.mCustomScrollbar.css contains the styling of the custom scrollbar and themes. It should normally be included in the head tag of your html (typically before any script tags). If you wish to reduce http requests and/or have all your website stylesheet in a single file, you should move/copy scrollbars styling in your main CSS document.

mCSB_buttons.png contains all the button arrows (up, down, left and right) as image sprites for all scrollbar themes. The plugin archive contains the PSD source (source-files/mCSB_buttons.psd) so you can change them or add your own. This file should be in the same directory with plugin stylesheet.

<link rel="stylesheet" href="/path/to/jquery.mCustomScrollbar.css" />

Include jQuery library (if your project doesn’t use it already) and jquery.mCustomScrollbar.concat.min.js in the head tag or at the very bottom of your document, just before the closing body tag

Some frameworks and CMS include jQuery library in the head tag to make sure it’s loaded when other scripts request it. Usually, including .js files on the bottom of the HTML document (just before the closing body tag) is recommended for better performance. In any case, jQuery must be included first, before plugin scripts.

<script src=""></script>
<script src="/path/to/jquery.mCustomScrollbar.concat.min.js"></script>


The element(s) you want to add scrollbar(s) should have the typical CSS properties of an overflowed block which are a height (or max-height) value, an overflow value of auto (or hidden) and content long enough to require scrolling. For horizontal scrollbar, the element should have a width (or max-width) value set.

If you prefer to set your element’s height/width via javascript, you can use the setHeight/setWidth option parameters.


Initialize via javascript

After files inclusion, call mCustomScrollbar function on the element selector you want to add the scrollbar(s)


more info

The code is wrapped in (function($){ ... })(jQuery);. This ensures no conflict between jQuery and other libraries using $ shortcut (see Avoiding Conflicts with Other Libraries for more info). The plugin function is called in $(window).on("load") so it executes after all page elements (like images) are loaded.

You can change the function selector ".content" to any selector you want (an element id, class name, js variable etc.). For instance, if you want custom scrollbars to apply on the element with id content-1, you simply do:


You may also have multiple selectors by inserting comma separated values


The above code adds custom scrollbars to a)every element with class name content and b)the element with id content-1.

Additionally, you may want to call mCustomScrollbar multiple times within a page in order to set different options (configuration and option parameters explained below) for each selector


Initialize via HTML

Add the class mCustomScrollbar to any element you want to add custom scrollbar(s) with default options. Optionally, set its axis via the HTML data attribute data-mcs-axis (e.g. "x" for horizontal and "y" for vertical) and its theme via data-mcs-theme. For example:

<div class="mCustomScrollbar" data-mcs-theme="dark">
  <!-- your content -->

Basic configuration & option parameters


By default, the script applies a vertical scrollbar. To add a horizontal or 2-axis scrollbars, invoke mCustomScrollbar function with the axis option set to "x" or "yx" respectively

    axis:"x" // horizontal scrollbar
    axis:"yx" // vertical and horizontal scrollbar


To quickly change the appearance of the scrollbar, set the theme option parameter to any of the ready-to-use themes available in jquery.mCustomScrollbar.css, for example:



You can configure your scrollbar(s) using the following option parameters on mCustomScrollbar function
Usage $(selector).mCustomScrollbar({ option: value });

setWidth: false
Set the width of your content (overwrites CSS width), value in pixels (integer) or percentage (string).
setHeight: false
Set the height of your content (overwrites CSS height), value in pixels (integer) or percentage (string).
setTop: 0
Set the initial css top property of content, accepts string values (css top position).
Example: setTop: "-100px".
setLeft: 0
Set the initial css left property of content, accepts string values (css left position).
Example: setLeft: "-100px".
axis: "string"
Define content’s scrolling axis (the type of scrollbars added to the element: vertical and/of horizontal).
Available values: "y", "x", "yx".

  • axis: "y" – vertical scrollbar (default)
  • axis: "x" – horizontal scrollbar
  • axis: "yx" – vertical and horizontal scrollbars
scrollbarPosition: "string"
Set the position of scrollbar in relation to content.
Available values: "inside", "outside".
Setting scrollbarPosition: "inside" (default) makes scrollbar appear inside the element. Setting scrollbarPosition: "outside" makes scrollbar appear outside the element. Note that setting the value to "outside" requires your element (or parent elements) to have CSS position: relative (otherwise the scrollbar will be positioned in relation to document’s root element).
scrollInertia: integer
Set the amount of scrolling momentum as animation duration in milliseconds.
Higher value equals greater scrolling momentum which translates to smoother/more progressive animation. Set to 0 to disable.
autoDraggerLength: boolean
Enable or disable auto-adjusting scrollbar dragger length in relation to scrolling amount (same bahavior with browser’s native scrollbar).
Set autoDraggerLength: false when you want your scrollbar to (always) have a fixed size.
autoHideScrollbar: boolean
Enable or disable auto-hiding the scrollbar when inactive.
Setting autoHideScrollbar: true will hide the scrollbar(s) when scrolling is idle and/or cursor is out of the scrolling area.
Please note that some special themes like “minimal” overwrite this option.
autoExpandScrollbar: boolean
Enable or disable auto-expanding the scrollbar when cursor is over or dragging the scrollbar.
alwaysShowScrollbar: integer
Always keep scrollbar(s) visible, even when there’s nothing to scroll.

  • alwaysShowScrollbar: 0 – disable (default)
  • alwaysShowScrollbar: 1 – keep dragger rail visible
  • alwaysShowScrollbar: 2 – keep all scrollbar components (dragger, rail, buttons etc.) visible
snapAmount: integer
Make scrolling snap to a multiple of a fixed number of pixels. Useful in cases like scrolling tabular data, image thumbnails or slides and you need to prevent scrolling from stopping half-way your elements. Note that your elements must be of equal width or height in order for this to work properly.
To set different values for vertical and horizontal scrolling, use an array: [y,x]
snapOffset: integer
Set an offset (in pixels) for the snapAmount option. Useful when for example you need to offset the snap amount of table rows by the table header.
mouseWheel:{ enable: boolean }
Enable or disable content scrolling via mouse-wheel.
mouseWheel:{ scrollAmount: integer }
Set the mouse-wheel scrolling amount (in pixels). The default value "auto" adjusts scrolling amount according to scrollable content length.
mouseWheel:{ axis: "string" }
Define the mouse-wheel scrolling axis when both vertical and horizontal scrollbars are present.
Set axis: "y" (default) for vertical or axis: "x" for horizontal scrolling.
mouseWheel:{ preventDefault: boolean }
Prevent the default behaviour which automatically scrolls the parent element when end or beginning of scrolling is reached (same bahavior with browser’s native scrollbar).
mouseWheel:{ deltaFactor: integer }
Set the number of pixels one wheel notch scrolls. The default value “auto” uses the OS/browser value.
mouseWheel:{ normalizeDelta: boolean }
Enable or disable mouse-wheel (delta) acceleration. Setting normalizeDelta: true translates mouse-wheel delta value to -1 or 1.
mouseWheel:{ invert: boolean }
Invert mouse-wheel scrolling direction. Set to true to scroll down or right when mouse-wheel is turned upwards.
mouseWheel:{ disableOver: [array] }
Set the tags that disable mouse-wheel when cursor is over them.
Default value:
scrollButtons:{ enable: boolean }
Enable or disable scrollbar buttons.
scrollButtons:{ scrollAmount: integer }
Set the buttons scrolling amount (in pixels). The default value "auto" adjusts scrolling amount according to scrollable content length.
scrollButtons:{ scrollType: "string" }
Define the buttons scrolling type/behavior.

  • scrollType: "stepless" – continuously scroll content while pressing the button (default)
  • scrollType: "stepped" – each button click scrolls content by a certain amount (defined in scrollAmount option above)
scrollButtons:{ tabindex: integer }
Set a tabindex value for the buttons.
keyboard:{ enable: boolean }
Enable or disable content scrolling via the keyboard.
The plugin supports the directional arrows (top, left, right and down), page-up (PgUp), page-down (PgDn), Home and End keys.
keyboard:{ scrollAmount: integer }
Set the keyboard arrows scrolling amount (in pixels). The default value "auto" adjusts scrolling amount according to scrollable content length.
keyboard:{ scrollType: "string" }
Define the keyboard arrows scrolling type/behavior.

  • scrollType: "stepless" – continuously scroll content while pressing the arrow key (default)
  • scrollType: "stepped" – each key release scrolls content by a certain amount (defined in scrollAmount option above)
contentTouchScroll: integer
Enable or disable content touch-swipe scrolling for touch-enabled devices.
To completely disable, set contentTouchScroll: false.
Integer values define the axis-specific minimum amount required for scrolling momentum (default: 25).
documentTouchScroll: boolean
Enable or disable document touch-swipe scrolling for touch-enabled devices.
advanced:{ autoExpandHorizontalScroll: boolean }
Auto-expand content horizontally (for "x" or "yx" axis).
If set to true, content will expand horizontally to accommodate any floated/inline-block elements.
Setting its value to 2 (integer) forces the non scrollHeight/scrollWidth method. A value of 3 forces the scrollHeight/scrollWidth method.
advanced:{ autoScrollOnFocus: "string" }
Set the list of elements/selectors that will auto-scroll content to their position when focused.
For example, when pressing TAB key to focus input fields, if the field is out of the viewable area the content will scroll to its top/left position (same bahavior with browser’s native scrollbar).
To completely disable this functionality, set autoScrollOnFocus: false.
advanced:{ updateOnContentResize: boolean }
Update scrollbar(s) automatically on content, element or viewport resize.
The value should be true (default) for fluid layouts/elements, adding/removing content dynamically, hiding/showing elements etc.
advanced:{ updateOnImageLoad: boolean }
Update scrollbar(s) automatically each time an image inside the element is fully loaded.
Default value is auto which triggers the function only on "x" and "yx" axis (if needed).
The value should be true when your content contains images and you need the function to trigger on any axis.
advanced:{ updateOnSelectorChange: "string" }
Update scrollbar(s) automatically when the amount and size of specific selectors changes.
Useful when you need to update the scrollbar(s) automatically, each time a type of element is added, removed or changes its size.
For example, setting updateOnSelectorChange: "ul li" will update scrollbars each time list-items inside the element are changed.
Setting the value to true, will update scrollbars each time any element is changed.
To disable (default) set to false.
advanced:{ extraDraggableSelectors: "string" }
Add extra selector(s) that’ll release scrollbar dragging upon mouseup, pointerup, touchend etc.
Example: extraDraggableSelectors: ".myClass, #myID"
advanced:{ releaseDraggableSelectors: "string" }
Add extra selector(s) that’ll allow scrollbar dragging upon mousemove/up, pointermove/up, touchend etc.
Example: releaseDraggableSelectors: ".myClass, #myID"
advanced:{ autoUpdateTimeout: integer }
Set the auto-update timeout in milliseconds.
Default timeout: 60
theme: "string"
Set the scrollbar theme.
View all ready-to-use themes
All themes are contained in plugin’s CSS file (jquery.mCustomScrollbar.css).
Default theme: "light"
      onCreate: function(){}
A function to call when plugin markup is created.
      console.log("Plugin markup generated");
      onInit: function(){}
A function to call when scrollbars have initialized (demo).
      console.log("Scrollbars initialized");
      onScrollStart: function(){}
A function to call when scrolling starts (demo).
      console.log("Scrolling started...");
      onScroll: function(){}
A function to call when scrolling is completed (demo).
      console.log("Content scrolled...");
      whileScrolling: function(){}
A function to call while scrolling is active (demo).
      onTotalScroll: function(){}
A function to call when scrolling is completed and content is scrolled all the way to the end (bottom/right) (demo).
      console.log("Scrolled to end of content.");
      onTotalScrollBack: function(){}
A function to call when scrolling is completed and content is scrolled back to the beginning (top/left) (demo).
      console.log("Scrolled back to the beginning of content.");
      onTotalScrollOffset: integer
Set an offset for the onTotalScroll option.
For example, setting onTotalScrollOffset: 100 will trigger the onTotalScroll callback 100 pixels before the end of scrolling is reached.
      onTotalScrollBackOffset: integer
Set an offset for the onTotalScrollBack option.
For example, setting onTotalScrollBackOffset: 100 will trigger the onTotalScrollBack callback 100 pixels before the beginning of scrolling is reached.
      alwaysTriggerOffsets: boolean
Set the behavior of calling onTotalScroll and onTotalScrollBack offsets.
By default, callback offsets will trigger repeatedly while content is scrolling within the offsets.
Set alwaysTriggerOffsets: false when you need to trigger onTotalScroll and onTotalScrollBack callbacks once, each time scroll end or beginning is reached.
      onOverflowY: function(){}
A function to call when content becomes long enough and vertical scrollbar is added.
      console.log("Vertical scrolling required");
      onOverflowX: function(){}
A function to call when content becomes wide enough and horizontal scrollbar is added.
      console.log("Horizontal scrolling required");
      onOverflowYNone: function(){}
A function to call when content becomes short enough and vertical scrollbar is removed.
      console.log("Vertical scrolling is not required");
      onOverflowXNone: function(){}
A function to call when content becomes narrow enough and horizontal scrollbar is removed.
      console.log("Horizontal scrolling is not required");
      onBeforeUpdate: function(){}
A function to call right before scrollbar(s) are updated.
      console.log("Scrollbars will update");
      onUpdate: function(){}
A function to call when scrollbar(s) are updated.
      console.log("Scrollbars updated");
      onImageLoad: function(){}
A function to call each time an image inside the element is fully loaded and scrollbar(s) are updated.
      console.log("Image loaded");
      onSelectorChange: function(){}
A function to call each time a type of element is added, removed or changes its size and scrollbar(s) are updated.
      console.log("Scrollbars updated");
live: "string"
Enable or disable applying scrollbar(s) on all elements matching the current selector, now and in the future.
Set live: true when you need to add scrollbar(s) on elements that do not yet exist in the page. These could be elements added by other scripts or plugins after some action by the user takes place (e.g. lightbox markup may not exist untill the user clicks a link).
If you need at any time to disable or enable the live option, set live: "off" and "on" respectively.
You can also tell the script to disable live option after the first invocation by setting live: "once".
liveSelector: "string"
Set the matching set of elements (instead of the current selector) to add scrollbar(s), now and in the future.

Plugin methods

Ways to execute various plugin actions programmatically from within your script(s).


Usage $(selector).mCustomScrollbar("update");

Call the update method to manually update existing scrollbars to accommodate new content or resized element(s). This method is by default called automatically by the script (via updateOnContentResize option) when the element itself, its content or scrollbar size changes.

view examples

/* initialize plugin with auto-update options disabled */
    updateOnContentResize: false,
    updateOnImageLoad: false

/* at some point in your js script/code update scrollbar manually */


Usage $(selector).mCustomScrollbar("scrollTo",position,options);

Call the scrollTo method to programmatically scroll the content to the position parameter (demo).

position parameter

Position parameter can be:

  • "string"
    • e.g. element selector: "#element-id"
    • e.g. special pre-defined position: "bottom"
    • e.g. number of pixels less/more: "-=100"/"+=100"
  • integer
    • e.g. number of pixels: 100
  • [array]
    • e.g. different y/x position: [100,50]
  • object/function
    • e.g. jQuery object: $("#element-id")
    • e.g. js object: document.getelementbyid("element-id")
    • e.g. function: function(){ return 100; }

Pre-defined position strings:

  • "bottom" – scroll to bottom
  • "top" – scroll to top
  • "right" – scroll to right
  • "left" – scroll to left
  • "first" – scroll to the position of the first element within content
  • "last" – scroll to the position of the last element within content

view examples

Scroll to element with id “#el-1″


Scroll to top


Scroll by 100 pixels down or right

var val=100;

Scroll by 100 pixels up or left


Scroll by 100 pixels down and by 50 pixels right


Scroll to the fifth paragraph


Scroll to the last element within your content


Scroll to some variable value

var val=document.getelementbyid("element-id");

Scroll to 300 pixels


Method options

scrollInertia: integer
Scroll-to duration, value in milliseconds.
scrollEasing: "string"
Scroll-to animation easing, values: "linear", "easeOut", "easeInOut".
moveDragger: boolean
Scroll scrollbar dragger (instead of content).
timeout: integer
Set a timeout for the method (the default timeout is 60 ms in order to work with automatic scrollbar update), value in milliseconds.
callbacks: boolean
Trigger user defined callbacks after scroll-to completes.


Usage $(selector).mCustomScrollbar("stop");

Stops any running scrolling animations (usefull when you wish to interupt a previously scrollTo method call).


Usage $(selector).mCustomScrollbar("disable");

Calling disable method will temporarily disable the scrollbar (demo). Disabled scrollbars can be re-enable by calling the update method.

To disable the scrollbar and reset its content position, set the method’s reset parameter to true


view examples

/* initialize plugin */

/* at some point in your js script/code disable scrollbar */

/* re-enable scrollbar as needed */


Usage $(selector).mCustomScrollbar("destroy");

Calling destroy method will completely remove the custom scrollbar and return the element to its original state (demo).

view examples

/* initialize plugin */

/* at some point in your js script/code destroy scrollbar */

Scrollbar styling & themes

You can design and visually customize your scrollbars with pure CSS, using jquery.mCustomScrollbar.css which contains the default/basic styling and all scrollbar themes.

The easiest/quickest way is to select a ready-to-use scrollbar theme. For example:


View all ready-to-use themes

You can modify the default styling or any theme either directly in jquery.mCustomScrollbar.css or by overwriting the CSS rules in another stylesheet.

Creating a new scrollbar theme

Create a name for your theme (e.g. “my-theme”) and set it as the value of the theme option


Your element will get the class “mCS-my-theme” (your theme-name with “mCS” prefix), so you can create your CSS using the .mCS-my-theme in your rules. For instance:

.mCS-my-theme.mCSB_scrollTools .mCSB_dragger .mCSB_dragger_bar{ background-color: red; }
.mCS-my-theme.mCSB_scrollTools .mCSB_draggerRail{ background-color: white; } 
/* and so on... */

In the same manner you can clone any existing theme (e.g. “dark”), change its selector (e.g. .mCS-dark) to your own theme name (e.g. .mCS-my-theme) and modify its CSS rules.

Scrollbar markup

The plugin applies specific id (unique) and/or classes to every scrollbar element/component, meaning that you can target and modify any scrollbar in more than one ways.

For example, every element with a scrollbar gets a unique class in the form of _mCS_1, _mCS_2 etc. Every scrollbar container element gets a unique id in the form of mCSB_1_scrollbar_vertical, mCSB_2_scrollbar_vertical etc. Every scrollbar dragger gets a unique id in the form of mCSB_1_dragger_vertical, mCSB_2_dragger_vertical etc. in addition to the class mCSB_dragger. All these mean that you can do stuff like:

._mCS_1 .mCSB_dragger .mCSB_dragger_bar{ background-color: red; }

._mCS_2 .mCSB_dragger .mCSB_dragger_bar{ background-color: green; }

#mCSB_3_dragger_vertical .mCSB_dragger_bar{ background-color: blue; }

#mCSB_1_scrollbar_vertical .mCSB_dragger{ height: 100px; }

#mCSB_1_scrollbar_horizontal .mCSB_dragger{ width: 100px; }

.mCSB_1_scrollbar .mCSB_dragger .mCSB_draggerRail{ width: 4px; }

Custom scrollbar layout

User-defined callbacks

You can trigger your own js function(s) by calling them inside mCustomScrollbar callbacks option parameter


function myCustomFn(el){

In the example above, each time a scroll event ends and content has stopped scrolling, the content’s top position will be logged in browser’s console. There are available callbacks for each step of the scrolling event:

  • onScrollStart – triggers the moment a scroll event starts
  • whileScrolling – triggers while scroll event is running
  • onScroll – triggers when a scroll event completes
  • onTotalScroll – triggers when content has scrolled all the way to bottom or right
  • onTotalScrollBack – triggers when content has scrolled all the way back to top or left

You can set an offset value (pixels) for both onTotalScroll and onTotalScrollBack by setting onTotalScrollOffset and onTotalScrollBackOffset respectively (view example).

The following will trigger the callback function when content has scrolled to bottom minus 100 pixels

            console.log("scrolled to bottom");

By default, onTotalScroll and onTotalScrollBack callbacks are triggered repeatedly. To prevent multiple calls when content is within their offset, set alwaysTriggerOffsets option to false (view example).

            console.log("scrolled to bottom");

Additional callbacks:

Returning values

The script returns a number of values and objects related to scrollbar that you can use in your own functions

  • this – the original element containing the scrollbar(s)
  • this.mcs.content – the original content wrapper as jquery object
  • – content’s top position (pixels)
  • this.mcs.left – content’s left position (pixels)
  • this.mcs.draggerTop – scrollbar dragger’s top position (pixels)
  • this.mcs.draggerLeft – scrollbar dragger’s left position (pixels)
  • this.mcs.topPct – content vertical scrolling percentage
  • this.mcs.leftPct – content horizontal scrolling percentage
  • this.mcs.direction – content’s scrolling direction (y or x)

view examples

Load more content when scrolled to bottom


Run code when at least half of the content is scrolled

            var pct=this.mcs.topPct;
              /* do something... */

Plugin-specific jQuery expressions

Select element(s) in your content that are within scrollable viewport.
As condition: $("#myID").is(":mcsInView");
Select overflowed element(s) with visible scrollbar.
As condition: $(".content").is(":mcsOverflow");
Select element(s) in your content that are in view of the scrollable viewport. Using the exact parameter will include elements that have any part of them (even 1 pixel) in view of the scrollable viewport.
As condition: $("#myID").is(":mcsInSight");, $("#myID").is(":mcsInSight(exact)");

Plugin dependencies & requirements


This work is released under the MIT License.
You are free to use, study, improve and modify it wherever and however you like.

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Post a comment

Comments pages: 1 3 4 5 6 7 84

  1. Bien Selvano
    Posted on June 9, 2011 at 03:46 Permalink

    Hello sir,

    forget my earlier question. I just solved the problem by setting a fixed width for all the dynamic images. the problem only occurs when there’s no defined width (however this is still not acceptable by the project I am doing, I will just justify it to my client).

    I found another problem. I was checking the browser compatibility of my project when I found this one issue in Safari. All is working well in Safari except that the horizontal scroller that I am using displays the standard horizontal scrollbar(by standard I mean a scrollbar that you usually see in browser when you have contents occupying big width and the browser displays scrollbar). Have you guys encountered this problem? or have you already tried opening your scroller-using websites in Safari?

    Please please help. I will appreciate your inputs.


  2. Ben
    Posted on June 7, 2011 at 14:28 Permalink

    Hi again,

    Ignore both the above, all working now 🙂

  3. Ben
    Posted on June 7, 2011 at 14:11 Permalink

    Hi, me again.

    Also when I load up my content dynamically and scroll to the bottom of the content box, there is a massive gap as the end. Is this in one of the settings somewhere? I’ve checked the CSS for margins and padding etc but cant find anything that would be effecting it.


  4. Ben
    Posted on June 7, 2011 at 14:07 Permalink

    Hi there,
    Absolutely love the script, been trawling the internet for a while looking for customisable scroll bars, found this to be the easiest and most customisable one out there….. however I seem to have picked up a problem; I’m fairly sure its to do with the initialising the scroll bar on the window load, but I have the scrollbars appear, then (once loaded I assume) disappear again, if I remove the $(window).load(function) the scroll bars appear and then dont disappear, which led me to believe its to do with this. Is there anyway to stop this occurring, or hide them quicker so they are not noticeable?

    $(window).load(function() {

    Thanks, and great work

  5. Bien Selvano
    Posted on June 7, 2011 at 02:53 Permalink

    Hello there,

    First off let me thank you for making this script available to all. I am sure I am not the only person who finds this very useful.

    Another reason why I am sending a message is to ask for you input on this minor issue that I am having after trying to put the scroller inside a lightbox. The website that I am developingis running in WordPress and most of the navigation bring the user to a lightbox. The lightbox contains a batch of images (usually 5 images) and that is where I used the scroller. So here’s the problem: Since I put the scroller inside a lighbox, I was not able to make use of the window.load event. Instead, I used:

    $(document).bind(‘cbox_complete’, function(){


    Colorbox is the name of the lightbox plugin that I use. I used the bind event for the purpose of firing the scroller script after the lightbox or the colorbox loads. The problem is that it loads even if the images are not done loading.

    I tried searching the net for workarounds but I found none and am now so desperate finding a solution. At first, I was thinking that it’s a browser issue but then I found that the “early” execution of the scroller script is the one causing the problem.

    Please, if you know what the solution is, I will be forever grateful..

    Thank you once again and I look forward to hearing your feedback.

    Best regards,

  6. Jayme
    Posted on June 6, 2011 at 19:53 Permalink

    Hello, great work this plugin! 😉

    I came here to say that I found a bug on it, but fixed too. 😉
    The problem was that sometimes, when the scrolling was disabled it still scrolling the content. Making divs, height about 200px, be scrolled 3000px and blocks it to came back.

    The solution was putting inside the functions Scroll() and ScrollX() a verification in order to check if the scroll is enabled: “if( $‘:visible’) )”.

    I don’t know if it’s correctly, maybe this treatment is in another place.

    Anyway, thanks for your work! XD

  7. Sahar
    Posted on June 5, 2011 at 20:54 Permalink

    Hi there, this is truly a great plugin!!

    I would like to know if there is a way to control the horizontal scroller direction and make it scroll from right to left.

    Also, I know others already mentioned it before, but I really think a scrollTo option can be great addition.



  8. Mike Legacy
    Posted on June 2, 2011 at 02:26 Permalink

    Hey man, awesome code. One quick question. Any tutorial on how to customize the scrollbar or should i just mess around with the CSS file and see what i can do. Also, does this use CSS3? I am only vaguely familiar with the new CSS, as its been years since i’ve done heavy coding.

    • malihu
      Posted on June 2, 2011 at 04:15 Permalink

      Hi Mike,
      Basically you can do almost anything you want with css… just mess with it 🙂
      You can use css3 to make pretty cool things like rounded corners, shadows etc. without using images 😉
      In the demo all the scrollbars except the one with the horizontal image-strip are customized purely by css, so you can get an idea of what you can do just by checking it.
      You can of course use images that work better by setting the scrollbar height/width adjustment to fixed (to avoid image stretching).

  9. Karan
    Posted on May 30, 2011 at 16:53 Permalink

    Thanks a ton man.. its really awesome and simple to use.. Great going..

    Cheers !! 🙂

  10. Karan
    Posted on May 30, 2011 at 15:26 Permalink

    Hi.. can i change the image of circle to any other in the scroller?
    I am using the mcs4 container tag code..

    • malihu
      Posted on May 30, 2011 at 16:21 Permalink

      You can use pure css or any image you want to shape and style the .dragger.
      In the demo, the #mcs4_container circle dragger is done by utilizing css3 border-radius property, without the need to use an image 😉

  11. Benjamin
    Posted on May 26, 2011 at 20:19 Permalink

    You may want to think about changing your class names from .content and .container to something more unique (scroll_container, scroll_content?), given how common those names are used elsewhere in most CSS frameworks as wrapper divs, which can mess with the ease of implementing your script.

    Very nice effect by the way.

  12. Fred
    Posted on May 26, 2011 at 17:14 Permalink

    I’m using the vertical scroll bar with the buttons.
    I love it but I’m trying to set a fixed scroll movement for the buttons.
    Lets say that I want to scroll with each click, 50px down. Can this be done? How?
    Thank you!

  13. Squall
    Posted on May 24, 2011 at 13:23 Permalink

    first of all great plugin! I have a question, i read all the comment but i didn’t find the right answer. I have a log content inside the div with your scrollbar, and i would like to place many anchor that point to differen part of that div. I can do that? At least is possible to add something like scrollTo() to your plugin?
    Thanks a lot!

    • malihu
      Posted on May 26, 2011 at 03:01 Permalink

      I haven’t implemented a scroll-to feature yet, so there’s no “easy way” of accomplishing such behavior. At least not without writing an additional more or less complex function…

      • Squall
        Posted on May 26, 2011 at 12:05 Permalink

        Ok, thanks…maybe i’ll try, but i’m sure i won’t have success (i’m not so good writing directly in js)…Thank you anyway

      • Brother Dominic
        Posted on June 14, 2011 at 13:59 Permalink

        I’d also like to use a scrollTo function if some kind person wants to write it. Maybe I’ll try to write it myself some day.

        Thank you for making this, it is very good stuff.

  14. Brother Dominic
    Posted on May 21, 2011 at 14:30 Permalink


    Great scroller. I’m having trouble with it – the CSS looks great but the scroller doesn’t function. Could I ask you to take a minute and look at my source on and see if I’m doing anything obviously stupid? I occasionally get $dragger.draggable is not a function from firebug but it usually doesn’t happen.

    Not to waste your time, would it be handy to provide a simple working sample page I can just copy into my site and work on? Just following your instructions or copying your demo page doesn’t work for me.

    Thanks so much.

    • malihu
      Posted on May 22, 2011 at 16:40 Permalink


      Use $(window).load() function instead of $(document).ready() to call mCustomScrollbar function and load jquery.mCustomScrollbar.js after.

      It’s also better to move those in the bottom of your html just before the closing body tag.

      Check the final step of the “how to use it” section above.

  15. Larissa
    Posted on May 20, 2011 at 03:04 Permalink

    Thank you so much for the great scrollbar!

    One question: I’m using the horizontal scrollbar to scroll through some images. Everything is working great, except that when I go to the page with the scrollbar, all the images flash on the page for a moment while the script loads. Is there a way to avoid this? Here’s an example of what I mean:

    As you can see, it displays the hidden images for a moment before loading. Any thought you have on how to work around this would be great. Thanks again!

    Best, Larissa

  16. amahony
    Posted on May 19, 2011 at 11:32 Permalink

    Hey and thanks for your fantastic plugin!

    I have a question: is it possible to use mouse move tracking instead of dragging to scroll the content ? Thanks

  17. Enlive
    Posted on May 11, 2011 at 13:19 Permalink

    Nice jquery
    But when viewed on IE 6 scrollbar and contents is missing.
    What may be the problem?For IE 7 & 8 it is working fine.

    • malihu
      Posted on May 16, 2011 at 02:41 Permalink

      @Enlive @jackyon
      I don’t test/support ie6 at all.

  18. jackyon
    Posted on May 11, 2011 at 06:12 Permalink

    it’s have a big bug in ie6, when I using the instead of the , and use the float:left, the horizontal scrollbar can’t not be work.

  19. Ashley
    Posted on May 3, 2011 at 22:06 Permalink

    I apologize in advance if this question is obvious, I’m a novice trying to navigate as I go. I’m using the scroller for something like a news feed, so ideally the content inside the scroller would load from a separate XML file that my even-less-code-savvy colleagues can edit.

    Is it possible to load that type on content inside the scroller?

  20. Manoj
    Posted on May 3, 2011 at 17:25 Permalink

    Is it possible to have some links inside the scroller control which links to the a particular topic of the entire content?

    Its not working for me..

    Is it possible to do the function with manual onclick trigger to go to that particular topic.. ? please help me

  21. DejaVu
    Posted on May 3, 2011 at 14:21 Permalink

    Code not too liked on here! lol

  22. DejaVu
    Posted on May 3, 2011 at 14:19 Permalink

    From example above –

  23. DejaVu
    Posted on May 3, 2011 at 14:18 Permalink

    I’ve added this to a Web program I use, but am having a little difficulty with. It does scroll, but it seems to have a very long delay. It’s like it reloads the position of the div once I stop scrolling.

    My ‘content’ was already inside a classed div and I’m wondering if the script has to keep loading the changes everytime. At least its the way it seems.

    Example of my content –

    This is also called from a PHP Echo statement which I gather could also be the culprit?

  24. eddie A.
    Posted on April 29, 2011 at 22:38 Permalink

    Hi, I seem to have a js conflict because I had your scroller worker fine before I put into the index page that has another js for a slider. Im not too familiar with js. Can you tell me how to fix the conflict?

    Thank you Malihu.

    Here is my webpage.

    • malihu
      Posted on May 14, 2011 at 03:47 Permalink

      Hello Eddie,

      Try to remove the unnecessary 2nd jquery in your code:
      <script charset="utf-8" type="text/javascript" src="">

      which is located inside <div id="container">

  25. Bárbara
    Posted on April 26, 2011 at 18:18 Permalink

    A doubt about the horizontal scroller. Is there any way to hide the left button if the content is on the edge of the left bank, at the beginning of the content?

    Thanks and grats for the great job!

  26. Rohin
    Posted on April 25, 2011 at 12:14 Permalink

    Fantastic plugin. I am going to use it in my upcoming personal blog. I have a request which is more of a feature request. It would be great if you can provide a way to position the buttons at a place different from the container

  27. Christopher Lee
    Posted on April 23, 2011 at 11:15 Permalink

    Is there a way to make it so on button can load multiple dynamic contents boxes. For instance I want to make one button load two dynamic content html’s into different divs one is for the text and another is for image. Is that possible?

    Also they Have to be in different divs because one scrolls down and the other one doesn’t.
    If anyone could help me out I would eternally grateful.

    Thank you,
    Christopher Lee

  28. joe
    Posted on April 21, 2011 at 14:34 Permalink

    really great work.
    Can you also provide it in mootools?
    If you do I will spent a big coffee for you …

    • malihu
      Posted on April 21, 2011 at 15:20 Permalink

      Hi joe,

      Unfortunately I don’t code with mootools and I don’t have any availability at the moment to see if I could convert the code from jquery. I’ll definitely update the existing code though, in order to make it compatible with mootools scripts and plugins in case they exist on the same document.

  29. Steve
    Posted on April 21, 2011 at 01:44 Permalink

    Having difficulty tracking down why we are getting the error below. Is this common?

    Error: $dragger.position().top’ is null or not an object

    • malihu
      Posted on April 21, 2011 at 10:21 Permalink

      Not a common error. Would need to check your implementation.

    • fresno
      Posted on April 25, 2011 at 11:44 Permalink

      I had this error in the beginning, in my case problem was that I tried to apply scroll to a div that was not present in some cases.. I added a condition checking divs on each page and all is working fine now..

      hope it helps..


  30. Kevin
    Posted on April 21, 2011 at 01:19 Permalink

    This is an excellent plugin, thank you Malihu for building it and supporting it.


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