How to add or remove multiple classes in jQuery?

You can add or remove multiple classes from div/span/any tag in jQuery using the below code snippet,

Example:

<div id="mydiv">Test div</div>
$("#mydiv").addClass('class1 class2 class3');
Result: 
<div id="mydiv" class="class1 class2 class3">Test div</div>
$("#mydiv").removeClass('class1 class2 class3');
Result: 
<div id="mydiv">Test div</div>