w3resource

jQuery CSS - Add a class to an element

jQuery CSS : Exercise-2 with Solution

Add the following class "myclass" to the matched paragraph elements.

Sample Data :

HTML :

<body>
<p>jQuery Exercises</p>
<p>and Solution.</p>
</body>

CSS :

<style>
  p {
      margin: 8px;
	  font-size: 16px;
	}
 .myclass 
    {
	 color: #FA5858;
	}  
.highlight 
  {
    background: #CEF6F5;
  }
 </style>
 

Solution:

HTML Code :

<!DOCTYPE html>
<html>
<head>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
  <meta charset="utf-8">
  <title>Add a class to an element</title>
  <style>
  p {
    margin: 10px;
    font-size: 22px;
  }
  .myclass {
    color: #FA5858;
  }
  .highlight {
    background: #CEF6F5;
  }
  </style>
</head>
<body>
<p>jQuery Exercises</p>
<p>and Solution.</p>
 </body>
</html>

JavaScript Code:

$( "p" ).first().addClass( "highlight" );
$( "p" ).last().addClass( "myclass" );

Live Demo:

See the Pen jquery-css-exercise-2 by w3resource (@w3resource) on CodePen.


Contribute your code and comments through Disqus.

Previous: Get the background color of an element.
Next: Find the widths and heights of various elements.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Follow us on Facebook and Twitter for latest update.