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    Bootstrap Slider

    A less buggy "fork" of the original bootstrap slider found on by Stefan Petre. It was forked so we could update the slider since the original wasn't under version control.
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    bootstrap-slider Build Status

    Originally began as a loose "fork" of bootstrap-slider found on by Stefan Petre.

    Over time, this project has diverged sigfinicantly from Stefan Petre's version and is now almost completely different.

    Please ensure that you are using this library instead of the Petre version before creating issues in the repository issue tracker!!

    Starting with major release 11.0.0, we only support Bootstrap 4!


    Want to use bower? bower install seiyria-bootstrap-slider

    Want to use npm? npm install bootstrap-slider

    Want to get it from a CDN?

    Basic Setup

    Grab the compiled JS/CSS (minified or non-minified versions) from the /dist directory, load them into your web page, and everything should work!

    Remember to load the plugin code after loading the Bootstrap CSS and JQuery.

    JQuery is optional and the plugin can operate with or without it.

    Look below to see an example of how to interact with the non-JQuery interface.

    Supported Browsers

    We only support modern browsers!!! Basically, anything below IE10 is not compatible with this plugin!


    You can see all of our API examples here.

    Using bootstrap-slider (with JQuery)

    Using .slider namespace

    Create an input element and call .slider() on it:

    // Instantiate a slider
    var mySlider = $("input.slider").slider();
    // Call a method on the slider
    var value = mySlider.slider('getValue');
    // For non-getter methods, you can chain together commands
            .slider('setValue', 5)
            .slider('setValue', 7);

    Using .bootstrapSlider namespace

    Create an input element and call .bootstrapSlider() on it:

    // Instantiate a slider
    var mySlider = $("input.slider").bootstrapSlider();
    // Call a method on the slider
    var value = mySlider.bootstrapSlider('getValue');
    // For non-getter methods, you can chain together commands
            .bootstrapSlider('setValue', 5)
            .bootstrapSlider('setValue', 7);

    Using bootstrap-slider (via data-provide-API)

    Create an input element with the data-provide="slider" attribute automatically turns it into a slider. Options can be supplied via data-slider- attributes.

        data-slider-ticks="[1, 2, 3]"
        data-slider-ticks-labels='["short", "medium", "long"]'

    What if there is already a slider plugin bound to the JQuery namespace?

    If there is already a JQuery plugin named slider bound to the JQuery namespace, then this plugin will provide an alternative namespace bootstrapSlider and will emit a console warning telling you the slider namespace has already been taken and will encourage you to use the alternate namespace instead. If the slider namespace is available however, the bootstrapSlider namespace will not exist.

    // Instantiate a slider
    var mySlider = $("input.slider").bootstrapSlider();
    // Call a method on the slider
    var value = mySlider.bootstrapSlider('getValue');
    // For non-getter methods, you can chain together commands
            .bootstrapSlider('setValue', 5)
            .bootstrapSlider('setValue', 7);

    Using bootstrap-slider (without JQuery)

    Create an input element in the DOM, and then create an instance of Slider, passing it a selector string referencing the input element.

    // Instantiate a slider
    var mySlider = new Slider("input.slider", {
        // initial options object
    // Call a method on the slider
    var value = mySlider.getValue();
    // For non-getter methods, you can chain together commands

    Using as CommonJS module

    bootstrap-slider can be loaded as a CommonJS module via Browserify, Webpack, or some other build tool.

    var Slider = require("bootstrap-slider");
    var mySlider = new Slider();

    How do I exclude the optional JQuery dependency from my build?


    Note that the JQuery dependency is considered to be optional. For example, to exclude JQuery from being part of your Browserify build, you would call something like the following (assuming main.js is requiring bootstrap-slider as a dependency):

    browserify --im -u jquery main.js > bundle.js


    To exclude JQuery from your Webpack build, you will have to go into the Webpack config file for your specific project and add something like the following to your resolve.alias section:

    resolve: {
        alias: {
             "jquery": path.join(__dirname, "./jquery-stub.js")


        // directory where compiled assets will be stored
        // ...
        webpack-encore config
    const config = Encore.getWebpackConfig();
    config.resolve.alias["jquery"] = path.resolve(__dirname, 'assets/js/jquery-stub.js');
    module.exports = config

    Then in your project, you will have to create a stub module for jquery that exports a null value. Whenever require("jquery") is mentioned in your project, it will load this stubbed module.

    // Path: ./jquery-stub.js
    module.exports = null;


    Please see the documentation for the specific module loader you are using to find out how to exclude dependencies.


    Options can be passed either as a data (data-slider-foo) attribute, or as part of an object in the slider call. The only exception here is the formatter argument - that can not be passed as a data- attribute.

    Name Type Default Description
    id string '' set the id of the slider element when it's created
    min float 0 minimum possible value
    max float 10 maximum possible value
    step float 1 increment step
    precision float number of digits after the decimal of step value The number of digits shown after the decimal. Defaults to the number of digits after the decimal of step value.
    orientation string 'horizontal' set the orientation. Accepts 'vertical' or 'horizontal'
    value float, array 5 initial value. Use array to have a range slider.
    range bool false make range slider. Optional if initial value is an array. If initial value is scalar, max will be used for second value.
    selection string 'before' selection placement. Accepts: 'before', 'after' or 'none'. In case of a range slider, the selection will be placed between the handles
    tooltip string 'show' whether to show the tooltip on drag, hide the tooltip, or always show the tooltip. Accepts: 'show', 'hide', or 'always'
    tooltip_split bool false if false show one tootip if true show two tooltips one for each handler
    tooltip_position string null Position of tooltip, relative to slider. Accepts 'top'/'bottom' for horizontal sliders and 'left'/'right' for vertically orientated sliders. Default positions are 'top' for horizontal and 'right' for vertical slider.
    handle string 'round' handle shape. Accepts: 'round', 'square', 'triangle' or 'custom'
    reversed bool false whether or not the slider should be reversed
    rtl string, bool 'auto' whether or not the slider should be shown in rtl mode. Accepts true, false, 'auto'. Default 'auto' : use actual direction of HTML (dir='rtl')
    enabled bool true whether or not the slider is initially enabled
    formatter function returns the plain value formatter callback. Return the value wanted to be displayed in the tooltip, useful for string values. If a string is returned it will be indicated in an aria-valuetext attribute.
    natural_arrow_keys bool false The natural order is used for the arrow keys. Arrow up select the upper slider value for vertical sliders, arrow right the righter slider value for a horizontal slider - no matter if the slider was reversed or not. By default the arrow keys are oriented by arrow up/right to the higher slider value, arrow down/left to the lower slider value.
    ticks array [ ] Used to define the values of ticks. Tick marks are indicators to denote special values in the range. This option overwrites min and max options.
    ticks_positions array [ ] Defines the positions of the tick values in percentages. The first value should always be 0, the last value should always be 100 percent.
    ticks_labels array [ ] Defines the labels below the tick marks. Accepts HTML input.
    ticks_snap_bounds float 0 Used to define the snap bounds of a tick. Snaps to the tick if value is within these bounds.
    ticks_tooltip bool false Used to allow for a user to hover over a given tick to see it's value. Useful if custom formatter passed in
    scale string 'linear' Set to 'logarithmic' to use a logarithmic scale. Logarithmic scales will be calculated based on the difference between min to max; e.g. (0..10000) (-100..9900) both have a net range of 10001 and will slide in the same net increments.
    focus bool false Focus the appropriate slider handle after a value change.
    labelledby string, array null ARIA labels for the slider handle's, Use array for multiple values in a range slider.
    rangeHighlights array [] Defines a range array that you want to highlight, for example: [{'start':val1, 'end': val2, 'class': 'optionalAdditionalClassName'}].
    lock_to_ticks bool false Lock the selection to the values defined at ticks array.


    NOTE: Optional parameters are italicized.

    Function Parameters Description
    getValue --- Get the current value from the slider
    setValue newValue, triggerSlideEvent, triggerChangeEvent Set a new value for the slider. If optional triggerSlideEvent parameter is true, 'slide' events will be triggered. If optional triggerChangeEvent parameter is true, 'change' events will be triggered. This function takes newValue as either a Number, String, Array. If the value is of type String it must be convertable to an integer or it will throw an error.
    getElement --- Get the div slider element
    destroy --- Properly clean up and remove the slider instance
    disable --- Disables the slider and prevents the user from changing the value
    enable --- Enables the slider
    toggle --- Toggles the slider between enabled and disabled
    isEnabled --- Returns true if enabled, false if disabled
    setAttribute attribute, value Updates the slider's attributes
    getAttribute attribute Get the slider's attributes
    refresh options Refreshes the current slider and resets the slider's value to its default value on initial setup. To override this behaviour and instead maintain the slider's current value, pass the optional options parameter with the property useCurrentValue set to true (eg. refresh({ useCurrentValue: true }).
    on eventType, callback When the slider event eventType is triggered, the callback function will be invoked
    off eventType, callback Removes the callback function from the slider event eventType
    relayout --- Renders the tooltip again, after initialization. Useful in situations when the slider and tooltip are initially hidden.


    Event Description Value
    slide This event fires when the slider is dragged The new slider value
    slideStart This event fires when dragging starts The new slider value
    slideStop This event fires when the dragging stops or has been clicked on The new slider value
    change This event fires when the slider value has changed An object with 2 properties: "oldValue" and "newValue"
    slideEnabled This event fires when the slider is enabled N/A
    slideDisabled This event fires when the slider is disabled N/A

    How Do I Run This Locally?

    • Clone the repository
    • Run nvm use in your Terminal to switch to the proper Node/NPM version
    • Once you are on specified Node version, run npm install
    • Install the Grunt CLI: npm install grunt-cli -g
    • Type grunt dev to launch browser window with Examples page

    Grunt Tasks

    This plugin uses Grunt as its command-line task runner.

    To install the Grunt CLI, type npm install grunt-cli -g.

    To execute any of the commands, type grunt <task-name> in your terminal instance.

    The following is a list of the commonly-used command line tasks:

    • grunt development: Generates the index.html, compiles the SASS/JS to the /temp directory, and launches the index.html in your system's default browser. As changes are made to source code, the browser window will auto-refresh.
    • grunt production: Generates the /dist directory with minified and unminified assetts.
    • grunt dev: Alias for grunt development
    • grunt prod: Alias for grunt production
    • grunt build: Transpiles JavaScript source via Babel and compiles LESS source to CSS to temp directory.
    • grunt lint: Runs JSLint on the JavaScript source code files, and SASS-Lint on the SASS source code files.
    • grunt test: Runs unit tests contained in /test directory via Jasmine 2.x.x

    Version Bumping and Publishing (Maintainers Only)

    For versioning rules, we follow the Semver convention.

    To do the following release tasks:

    • bump the version
    • publish a new version to NPM
    • update the gh-pages branch
    • push a new dist bundle to the master branch on the remote origin
    • push new tags to the remote origin

    Type the following command:

    npm run release <patch|minor|major>

    If you do not specify a version bump type, the script will automatically defer to a patch bump.

    Updating Page

    The page can be automatically updated by running the following command:

    npm run update-gh-pages

    This command will handle generating the latest versions of the JS/CSS and index.html page, and push them to the gh-pages branch.

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