Get All Classes of HTML Element jQuery

In this tutorial we will see how to Get All Classes of HTML Element with jQuery. The jQuery attr() method or HTML DOM Element classList Property can be used to get a list of all classes of HTML element.

jQuery attr() Method

jQuery attr() Method is used to set or get the attributes and values of the selected HTML element

In this example attr() Method is used to get the names of all classes of the targeted HTML element.

classList Property

HTML DOM Element classList Property return the names of all classes of HTML element.

In this case, classList Property is used to get the names of all classes of the targeted HTML element.

We can use anyone of them, either jQuery attr() Method or HTML DOM Element classList Property to get all classes of HTML tag.

HTML Code

HTML Code is given below, This code has one paragraph element with three classes and a button tag.

<p id='text' class="one two three">I have three Classes!</p>    
<button id="btn">Get All Classes</button>

JQuery Code

JQuery Code is given below, In this code jQuery attr() Method is used to get all classes of HTML element on click of a button.

Click event is attached with the HTML button using jQuery click() method.

Take a look at the code given below.

<script>
$(document).ready(function(){
    $("#btn").click(function(){
        var classList = $("#text").attr("class");
        alert(classList);
    });
});
</script>

Same code with HTML DOM Element classList Property.

<script>
$(document).ready(function(){
    $("#btn").click(function(){
        var classList = $("#text")[0].classList;
        alert(classList);
    });
});
</script>

Note: [0] is used to convert jQuery element to HTML element.

Demo

Video Tutorial

Watch video tutorial on How To Get All Classes of HTML Element in jQuery.

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