jQuery :first-child Selector


The :first-child selector in jQuery is used to select all elements, which are the first child of their parent.

Syntax

The syntax is as follows −

$(":first-child")

Example

Let us now see an example to implement the :first-child() selector −

<!DOCTYPE html>
<html>
<head>
<style>
   .demo {
      background-color: red;
      color: white;
      font-size: 16px;
      border: 2px blue dashed;
   }
</style>
<script src="https://code.jquery.com/jquery-3.4.1.js"></script>
<script>
   $(document).ready(function(){
      $("p:first-child").addClass("demo");
   });
</script>
</head>
<body>
<p>This is the first line!</p>
<p>This is the second line!</p>
<p>This is the third line!</p>
<hr>
<div>
<p>One</p>
<p>Two</p>
<p>Three</p>
<p>Four</p>
</div>
<hr>
<p>This is the last line.</p>
</body>
</html>

Output

This will produce the following output −

raja
Published on 05-Nov-2019 10:03:42
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