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Using jQuery Selectors to Manipulate HTML Elements

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by vigneshchennai74 dot icon Updated: Mar 21, 2023

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The HTML structure consists of an unordered list with multiple nested list items. The jQuery code selects the list item with the class "item-ii" using the "$" function and the "li.item-ii" selector. The ".find()" function is then used to select all the child list items within this list item. Finally, the selected list items are given a red background color using the ".css()" function. This code demonstrates how jQuery can easily select and manipulate HTML elements based on their CSS classes, tags, and other attributes. This allows developers to write more concise and efficient code for adding interactivity and dynamic behavior to web pages

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jQuery is a popular JavaScript library that streamlines the process of interacting with HTML elements on a web page. It provides a powerful set of selectors that can target specific elements in the DOM, allowing developers to manipulate the content and structure of a page easily. Using jQuery selectors, developers can easily modify the appearance, behavior, and content of web pages without writing complex JavaScript code. This can improve the user experience and make web pages more dynamic and engaging. Additionally, jQuery provides a range of useful methods for manipulating and animating HTML elements, making it a valuable tool for web development. 

Preview of the output that you will get on running this code from your IDE

Code

In this solution we have used Selectors of Jquery

Using selectors in Jquery

JavaScriptdotLines of Code : 23dotLicense : Strong Copyleft (CC BY-SA 4.0)

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<ul class="level-1">
    <li class="item-i">I</li>
    <li class="item-ii">II
      <ul class="level-2">
        <li class="item-a">A</li>
        <li class="item-b">B
          <ul class="level-3">
            <li class="item-1">1</li>
            <li class="item-2">2</li>
            <li class="item-3">3</li>
          </ul>
        </li>
        <li class="item-c">C</li>
      </ul>
    </li>
    <li class="item-iii">III</li>
  </ul>

  <script>
  $( "li.item-ii" ).find( "li" ).css( "background-color", "red" );
  </script>

Instructions


  1. Download and install VS Code on your desktop.
  2. Open VS Code and create a new file in the editor.
  3. Copy the code snippet that you want to run, using the "Copy" button or by selecting the text and using the copy command (Ctrl+C on Windows/Linux or Cmd+C on Mac).
  4. Paste the code into your file in VS Code, and save the file with a meaningful name and the appropriate file extension (.html for HTML, .js for JavaScript, etc.).
  5. To run the code, open the file in VS Code and click the "Run" button in the top menu, or use the keyboard shortcut Ctrl+Alt+N (on Windows and Linux) or Cmd+Alt+N (on Mac). The output of your code will appear in the VS Code output console.



I hope you found this useful. I have added the version information in the following sections.


I found this code snippet by searching for "Using selectors in Jquery " in kandi. You can try any such use case!

Environment Tested


Tested this solution in the following versions. Be mindful of changes when working with other versions.

  • Visual Studio Code Version 1.76.0


This code demonstrates how jQuery can be used to easily select and manipulate HTML elements based on their CSS classes, tags, and other attributes. This process also facilities an easy to use, hassle free method to create a hands-on working version of code jQuery selectors to target specific HTML elements and manipulate their properties.

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