jQuery hasClass()
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jQuery hasClass()

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  • This jQuery method is used to check weather a class is attached to any of the selected HTML element or not.
  • Return type of this method is Boolean means this method returns TRUE if any of the selected HTML element have the given class otherwise returns FALSE.

Related Topics:

jQuery position
jQuery addClass

jQuery hasClass

Syntax:

$(selector).hasClass(class_name);

Parameter description:

  • class_name: This parameter represents the name of class or classes to be check to attach to any of the selected element. It is mandatory.


Example:

In this example we check the try class is attaching to any of the given heading or not.

<html>
<head>
<title>jQuery Example</title>
<script type = "text/javascript"
src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js">
</script>
<style>
h3{
background:yellow;
padding:10px;

}

button{
background:green;
padding:10px;
color:white;
border:1px solid green;
}
</style>
<script>
$(document).ready(function(){
$("button").click(function(){
$res=$("h3").hasClass("try");
if($res){
alert("one of the given heading has class try");
}else{
alert("No heading has class try");
}
});
;

});
</script>
</head>
<body>

<h2>jQuery hasClass() method Example</h2>
<h3 >This is heading 1</h3>
<h3 class="try" >This is heading 2</h3>
<h3 >This is heading 3</h3>
<h3>This is heading 4</h3>
<button>Click me!</button>
</body>
</html>

Output:

When you click the button,




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