jQuery Addclass Function Example

Let's have a closer look at the jQuery .addclass() function.

Demo Code Download


In addition to the .css() function you can apply current css styles by using the .addClass() function. It's counterpart function is .removeClass(). Lets have a look at an example of the addclass jQuery function in action. Further Reading »


jQuery Function Demo - jQuery4u.com

Demo: Adding a CSS class to an element.

Click "Run Demo" to add the styles to the button. Click "Reset" to remove styles.

Run Demo View Code


The download package includes all the inline HTML, CSS, JavaScript, jQuery and images required for the .addclass() function demo so you can try it yourself and change as you please.

The full code listing for all jQuery functions have been now added to GitHub, you can get them there, we are making them work with the latest versions of jQuery!


<!-- Copyright 2011 jQuery4u.com -->
<!DOCTYPE html>
<title>jQuery Function Demo - jQuery4u.com</title>
    <script src="http://code.jquery.com/jquery-latest.js"></script>
    <script src="http://www.jquery4u.com/scripts/function-demos-script.js"></script>

    <script type="text/javascript">
    var JQFUNCS =
            /* ------------------------------ addClass Demo ------------------------------ */
                run: function(id)
                    $('#'+id+' a').addClass('jq4ubutton');
                    $('#'+id+' a').bind('click', function(e)

                reset: function(id)
                    $('#'+id+' a').removeClass('jq4ubutton');

    <style lang="text/css">
    .jq4ubutton {
        color:white !important;
       display: block;
        border: 1px solid;
        border-color: #aaa #000 #000 #aaa;
        width: 200px;
        background: #E57124;
        color: #fff;
        text-decoration:none !important; text-align:center; font-weight:bold;
    .jq4ubutton:hover {
        position: relative;
        top: 1px;
        left: 1px;
        border-color: #000 #aaa #aaa #000;


<p class="example">Demo: Adding a CSS class to an element.</p>
<p>Click "Run Demo" to add the styles to the button. Click "Reset" to remove styles.</p>
<p><a href="#" id="addclass-demobtn" class="demobtn btn actionr">Run Demo</a> <a href="#" id="addclass-codebtn" class="codebtn btn actionr">View Code</a> <a href="#" id="addclass-resetbtn" class="resetbtn btn actionr" style="display: none;">Reset</a></p>
<div class="demoarea" id="addclass"><a href="">Anchor Button</a></div>

<!-- Copyright 2011 jQuery4u.com -->