How to select a radio button by default?

Cover Image for How to select a radio button by default?
Matheus Mello
Matheus Mello
published a few days ago. updated a few hours ago

How to Select a Radio Button by Default? ๐Ÿ“ป๐Ÿ”˜

So, you have a webpage with radio buttons, and you want one of them to be pre-selected when the page loads? No worries, I got you covered! ๐Ÿ™Œ

Understanding the Problem ๐Ÿ”

Radio buttons allow users to select one option from a group of choices. However, by default, none of the radio buttons are selected. To enhance the user experience, it's often necessary to have a radio button pre-selected when the page loads.

Common Issues Faced ๐Ÿค”

  • Lack of knowledge on how to set a radio button as selected by default.

  • Uncertainty about the correct syntax or attribute to be used.

Easy Solutions ๐Ÿ’ก

Fear not, my fellow developer! Here are a few simple solutions to help you achieve your desired default selection:

Option 1: Using the "checked" Attribute โœ…

The "checked" attribute allows you to pre-select a radio button by default. Simply add the attribute to your desired radio button input element. Here's an example:

<input type="radio" name="imgsel" value="" checked />

By adding checked to the radio button's attributes, it will be pre-selected when the page loads. Easy peasy! ๐ŸŽ‰

Option 2: Utilizing JavaScript ๐Ÿงช

If you prefer a programmatic solution, you can use JavaScript to select a radio button upon page load. Here's an example using vanilla JavaScript:

<input type="radio" id="defaultRadio" name="imgsel" value="" />

<script>
  // Select the radio button by default
  document.getElementById("defaultRadio").checked = true;
</script>

This script targets the radio button using its unique id and sets the checked property to true, making it the default selection. Voilร ! ๐Ÿ’ฅ

Call-to-Action: Share and Engage! ๐Ÿš€

Now that you know how to select a radio button by default, go ahead and put this knowledge to good use. Feel free to share this post with other developers who might benefit from it.

Have you encountered any issues or found alternative solutions? Let's chat in the comments section below! Let's make the web development journey easier for everyone! ๐ŸŒ๐Ÿ’ป

Happy coding! ๐Ÿ˜„โœจ


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