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jQuery .odd() Method

Posted in jQuery Tutorial
Updated on May 20, 2024
By Mari Selvan
👁️ 15 - Views
⏳ 4 mins
💬 1 Comment
jQuery .odd() Method

Photo Credit to CodeToFun

🙋 Introduction

In jQuery, there's a plethora of methods available to simplify DOM manipulation and traversal. One such method is .odd(), which allows you to select odd-indexed elements from a set of matched elements. This method can be particularly handy when you need to target specific elements based on their position within a collection.

Let's explore the usage of the jQuery .odd() method with practical examples to grasp its functionality effectively.

🧠 Understanding .odd() Method

The .odd() method in jQuery is used to select elements with odd index positions within a set of matched elements. It filters out the elements based on their position, starting from index 0. This method is commonly used in scenarios where you want to target every other element within a collection.

💡 Syntax

The syntax for the .odd() method is straightforward:

syntax.js
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$(selector).odd()

📝 Example

  1. Selecting Odd-indexed Elements:

    Suppose you have a list of elements and you want to select and manipulate only the elements at odd positions. You can achieve this using the .odd() method as follows:

    index.html
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    <ul>
      <li>Item 1</li>
      <li>Item 2</li>
      <li>Item 3</li>
      <li>Item 4</li>
      <li>Item 5</li>
    </ul>
    example.js
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    $("ul li").odd().css("color", "blue");

    This will set the text color of odd-indexed list items (Item 2 and Item 4) to blue.

  2. Applying Styles to Odd-numbered Rows in a Table:

    If you have a table and you want to style odd-numbered rows differently, you can use the .odd() method to accomplish this:

    index.html
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    <table>
      <tr><td>Row 1</td></tr>
      <tr><td>Row 2</td></tr>
      <tr><td>Row 3</td></tr>
      <tr><td>Row 4</td></tr>
      <tr><td>Row 5</td></tr>
    </table>
    example.js
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    $("table tr").odd().css("background-color", "lightgray");

    This will set the background color of odd-numbered rows in the table to light gray.

  3. Alternative Styling for Odd Elements:

    You can also apply different styles to odd elements using the .odd() method along with CSS classes:

    index.html
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    <div class="box">Box 1</div>
    <div class="box">Box 2</div>
    <div class="box">Box 3</div>
    <div class="box">Box 4</div>
    <div class="box">Box 5</div>
    example.js
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    $(".box").odd().addClass("odd-box");

    This will add a CSS class odd-box to odd-indexed boxes, allowing you to apply specific styles.

  4. Chaining with Other Methods:

    You can chain the .odd() method with other jQuery methods for more complex operations. For example, combining it with .css() or .addClass() allows you to customize odd elements further.

🎉 Conclusion

The jQuery .odd() method provides a straightforward way to select and manipulate elements at odd index positions within a collection. Whether you're styling alternate rows in a table, applying different styles to elements, or performing other DOM manipulations, this method proves to be a valuable asset in your toolkit.

By mastering its usage, you can streamline your web development tasks and create more dynamic and visually appealing web pages effortlessly.

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Author

author
👋 Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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