jQuery: Remove all CSS classes using jQuery

Last update on July 22 2025 12:39:18 (UTC/GMT +8 hours)

jQuery Practical exercise Part - I : Exercise-18

Remove all CSS classes using jQuery.

Sample Solution:

HTML Code:

 <!DOCTYPE html>
  <html>
  <head>
  <script src="https://code.jquery.com/jquery-git.js"></script>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Remove all CSS classes using jQuery</title>
  </head>
  <body>
<p id="item" class="center large">This paragraph refers two classes.</p>
    
  <input type="button" value="Click to remove all classes" onclick="remove_classes()" />
  </body>
  </html>

CSS Code:

p.center {
    text-align: center;
    color: blue;
}

p.large {
    font-size: 200%;
}

JavaScript Code:

function remove_classes()
{
$("#item").removeClass();
}

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See the Pen jquery-practical-exercise-18 by w3resource (@w3resource) on CodePen.

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