How to Check a Radio Button with Jquery?

How to check a radio button with jQuery?

Radio buttons are a common element in web forms, allowing users to select a single option from a set of choices. In JavaScript, you can use jQuery to easily check a radio button programmatically. In this blog post, we will explore two different methods to accomplish this.

Method 1: Using the `prop()` method

The prop() method in jQuery allows you to get or set properties of an element. To check a radio button, you can use the prop() method to set the checked property to true.

$(document).ready(function() {
  // Select the radio button by its ID and check it
  $('#radioButtonId').prop('checked', true);
});

Replace #radioButtonId with the ID of the radio button you want to check. This method is straightforward and works well in most cases.

Method 2: Using the `attr()` method

If you are using an older version of jQuery or need to support older browsers, you can use the attr() method instead. The attr() method allows you to get or set attributes of an element.

$(document).ready(function() {
  // Select the radio button by its ID and set the checked attribute to true
  $('#radioButtonId').attr('checked', 'checked');
});

Again, replace #radioButtonId with the ID of the radio button you want to check. This method is useful if you are using an older version of jQuery or need to support older browsers.

Now that we have explored both methods, you can choose the one that best suits your needs. Remember to replace #radioButtonId with the actual ID of the radio button you want to check.

Happy coding!

Final HTML Output:

How to check a radio button with jQuery? Radio buttons are a common element in web forms, allowing users to select a single option from a set of choices. In JavaScript, you can use jQuery to easily check a radio button programmatically. In this blog post, we will explore two different methods to accomplish this. Method 1: Using the prop() method The prop() method in jQuery allows you to get or set properties of an element. To check a radio button, you can use the prop() method to set the checked property to true. $(document).ready(function() { // Select the radio button by its ID and check it $('#radioButtonId').prop('checked', true); }); Replace #radioButtonId with the ID of the radio button you want to check. This method is straightforward and works well in most cases. Method 2: Using the attr() method If you are using an older version of jQuery or need to support older browsers, you can use the attr() method instead. The attr() method allows you to get or set attributes of an element. $(document).ready(function() { // Select the radio button by its ID and set the checked attribute to true $('#radioButtonId').attr('checked', 'checked'); }); Again, replace #radioButtonId with the ID of the radio button you want to check. This method is useful if you are using an older version of jQuery or need to support older browsers. Now that we have explored both methods, you can choose the one that best suits your needs. Remember to replace #radioButtonId with the actual ID of the radio button you want to check. Happy coding!

How to Check a Radio Button with Jquery?