jQuery toggleClass example

Toggle class name on click in jQuery

by Maiki Nahara

HTML

<div id="banner-message">
  <p>Hello World</p>
  <button>Change color</button>
</div>

    <select multiple="multiple" id="my-select" name="my-select[]">
    </select>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

.ms-container{background:transparent url("../img/switch.png") no-repeat 50% 50%;width:370px}.ms-container:after{content:".";display:block;height:0;line-height:0;font-size:0;clear:both;min-height:0;visibility:hidden}.ms-container .ms-selectable,.ms-container .ms-selection{background:#fff;color:#555555;float:left;width:45%}.ms-container .ms-selection{float:right}.ms-container .ms-list{-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075);-moz-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075);box-shadow:inset 0 1px 1px rgba(0,0,0,0.075);-webkit-transition:border linear 0.2s, box-shadow linear 0.2s;-moz-transition:border linear 0.2s, box-shadow linear 0.2s;-ms-transition:border linear 0.2s, box-shadow linear 0.2s;-o-transition:border linear 0.2s, box-shadow linear 0.2s;transition:border linear 0.2s, box-shadow linear 0.2s;border:1px solid #ccc;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;position:relative;height:200px;padding:0;overflow-y:auto}.ms-container .ms-list.ms-focus{border-color:rgba(82,168,236,0.8);-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 8px rgba(82,168,236,0.6);-moz-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 8px rgba(82,168,236,0.6);box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 8px rgba(82,168,236,0.6);outline:0;outline:thin dotted \9}.ms-container ul{margin:0;list-style-type:none;padding:0}.ms-container .ms-optgroup-container{width:100%}.ms-container...

JavaScript

/*
* MultiSelect v0.9.12
* Copyright (c) 2012 Louis Cuny
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/

!function ($) {

  "use strict";


 /* MULTISELECT CLASS DEFINITION
  * ====================== */

  var MultiSelect = function (element, options) {
    this.options = options;
    this.$element = $(element);
    this.$container = $('<div/>', { 'class': "ms-container" });
    this.$selectableContainer = $('<div/>', { 'class': 'ms-selectable' });
    this.$selectionContainer = $('<div/>', { 'class': 'ms-selection' });
    this.$selectableUl = $('<ul/>', { 'class': "ms-list", 'tabindex' : '-1' });
    this.$selectionUl = $('<ul/>', { 'class': "ms-list", 'tabindex' : '-1' });
    this.scrollTo = 0;
    this.elemsSelector = 'li:visible:not(.ms-optgroup-label,.ms-optgroup-container,.'+options.disabledClass+')';
  };

  MultiSelect.prototype = {
    constructor: MultiSelect,

    init: function(){
      var that = this,
          ms = this.$element;

      if (ms.next('.ms-container').length === 0){
        ms.css({ position: 'absolute', left: '-9999px' });
        ms.attr('id', ms.attr('id') ? ms.attr('id') : Math.ceil(Math.random()*1000)+'multiselect');
        this.$container.attr('id', 'ms-'+ms.attr('id'));
        this.$container.addClass(that.options.cssClass);
        ms.find('option').each(function(){
          that.generateLisFromOption(this);
        });

        this.$selectionUl.find('.ms-optgroup-label').hide();

        if (that.options.selectableHeader){
          that.$selectableContainer.append(that.options.selectableHeader);
        }
        that.$selectableContainer.append(that.$selectableUl);
        if (that.options.selectableFooter){
         ...