jQuery addClass() add two classes

Introduction

Add two class names to the first p element

View in separate window 

<!DOCTYPE html>
<html>
<head>
<script 
 src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
</script>//ww w .  j a va  2 s  . co m
<script>
$(document).ready(function(){
  $("button").click(function(){
    $("p:first").addClass("intro note");
  });
});
</script>
<style>
.intro {
  font-size: 30px;
  color: blue;
}
.note {
  background-color: red;
}
</style>
</head>
<body>

<h1>This is a heading</h1>

<p>This is a paragraph.</p>
<p>This is another paragraph.</p>

<button>Test</button>

</body>
</html>



PreviousNext

Related