Скачать или смотреть How to Change Your JavaScript Code to Uncheck Radio Buttons Using jQuery

Discover how to convert your JavaScript code to use jQuery to effectively uncheck radio buttons with ease and simplicity.
---
This video is based on the question https://stackoverflow.com/q/62621953/ asked by the user 'Deviprasad Sharma' ( https://stackoverflow.com/u/11278696/ ) and on the answer https://stackoverflow.com/a/62622109/ provided by the user 'Martin' ( https://stackoverflow.com/u/7535014/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to change my code to uncheck radio button from javascript to jQuery?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Unchecking Radio Buttons: A Guide from JavaScript to jQuery

Radio buttons are a common form element in web development, allowing users to select one option from a predefined set. However, there might be instances where you need to uncheck these buttons programmatically. In this guide, we will explore how to easily convert a JavaScript function that unchecks radio buttons into jQuery. Whether you are working on a legacy project or just want to enhance your skills, this guide will help you through it.

The Problem: Unchecking Radio Buttons in JavaScript

The initial JavaScript function for unchecking radio buttons looks like this:

[[See Video to Reveal this Text or Code Snippet]]

This solution works, but if you prefer using jQuery, we can rewrite this code. jQuery simplifies working with DOM elements and provides a more concise syntax, which can help you write cleaner and more readable code.

The Solution: Converting to jQuery

Step 1: Select the Elements

In jQuery, we need to start by selecting the radio buttons. Similar to the JavaScript approach, we will base our selection on the name attribute. However, the syntax used in jQuery is different.

Step 2: Loop Through the Elements

Instead of using a traditional for loop, we can leverage jQuery’s .each() method, which allows us to iterate over jQuery objects. This makes our code a bit more declarative.

Step 3: Uncheck the Radio Buttons

To uncheck the radio buttons, we will utilize the .prop() function. This function is specifically designed to get or set properties and states of elements, which is perfect for our needs here.

The Final jQuery Implementation

Here’s how the uncheck function looks when rewritten in jQuery:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the jQuery Code

Let’s break down the jQuery code for clarity:

Selector: $('input[name^="choices"]') selects all input elements where the name attribute starts with choices. The use of the ^= operator is flexible if you have variations of radio buttons.

.each(): This function iterates over each selected element.

Unchecking the Button: $(this).prop('checked', false) sets the checked property of the current radio button to false, effectively unchecking it.

Conclusion

Converting your JavaScript code to jQuery can simplify your approach to manipulating DOM elements, such as radio buttons. By understanding the jQuery methods like .each() and .prop(), you can create cleaner and more maintainable code. The example provided demonstrates a straightforward way to achieve the same functionality with fewer lines of code, taking advantage of jQuery's powerful abstractions.

Now that you have the tools to uncheck radio buttons using jQuery, consider implementing this technique in your projects for smoother user experiences!