jQuery toggleClass() toggle class

Description

jQuery toggleClass() toggle class

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<!DOCTYPE html>
<html>
<head>
<script 
 src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
</script>/*ww  w .  j  a v a2  s.com*/
<script>
$(document).ready(function(){
  $("button").click(function(){
    $("p").toggleClass("main");
  });
});
</script>
<style>
.main {
  font-size: 120%;
  color: red;
}
</style>
</head>
<body>

<p>This is a paragraph.</p>
<p class="main">This is another paragraph.</p>

<button>Toggle class "main" for p elements</button>

</body>
</html>



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