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Select any element and change its property via nth-child selector

Ethan Karla 282 28-Jul-2021

How to select any element and change its property via nth-child selector?

jquery jquery 
Updated on 26-Nov-2023
Ethan Karla

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An enthusiastic, adaptive, and fast-learning person with a broad and acute interest in the discovery of new innovative drugs, I particularly enjoy collaborating with scientists from different disciplines to develop new skills and solve new challenges.

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1 Answers

Aryan Kumar

Aryan Kumar

26-Nov-2023

Certainly! You can use the :nth-child selector to target a specific child element based on its position within its parent. Here's an example using jQuery to change the background color of the third child element of a container:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Change Property via nth-child Selector</title>
  <script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
  <style>
    /* Optional: Some styling for better visibility */
    .container {
      display: flex;
      justify-content: space-around;
      margin-top: 20px;
    }

    .child {
      width: 50px;
      height: 50px;
      background-color: lightblue;
      display: flex;
      align-items: center;
      justify-content: center;
    }
  </style>
</head>
<body>

<div class="container">
  <div class="child">1</div>
  <div class="child">2</div>
  <div class="child">3</div>
  <div class="child">4</div>
  <div class="child">5</div>
</div>

<script>
  $(document).ready(function() {
    // Change the background color of the third child element
    $('.container .child:nth-child(3)').css('background-color', 'lightgreen');
  });
</script>

</body>
</html>

In this example:

  • The :nth-child(3) selector is used to target the third child element within the .container.
  • jQuery's css() method is then used to change the background color of the selected element.

You can customize the selector and the property changes based on your specific needs.

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