To find the selected radio button, you follow these steps: Select all radio buttons by using a DOM method such as querySelectorAll() method. Get the checked property of the radio button. If the checked property is true, the radio button is checked; otherwise, it is unchecked. To know which radio button is checked, you use the value attribute.

Input Radio Object. The Input Radio object represents an HTML <input> element with type="radio". Access an Input Radio Object. You can access an <input> element with type="radio" by using getElementById():

Oct 18, 2016 · In Javascript, you don't need to get all of them though: document.querySelector ("input [name=rate]:checked").value. This is good because mostly radio buttons can have their own independent listener per radio button and their own code handler per radio button.

May 16, 2023 · To get the value of the selected radio button, a user-defined function can be created that gets all the radio buttons with the name attribute and finds the radio button selected using the checked property. The checked property returns True if the radio button is selected and False otherwise.

For client-side validation, here's some Javascript to check which one is selected: //Male radio button is checked. //Female radio button is checked. The above could be made more efficient depending on the exact nature of your markup but that should be enough to get you started.

Feb 28, 2012 · What method would be best to use to selectively set a single or multiple radio button(s) to a desired setting with JavaScript?

The <input type="radio"> defines a radio button. Radio buttons are normally presented in radio groups (a collection of radio buttons describing a set of related options). Only one radio button in a group can be selected at the same time.

To make a radio button selected by default, it needs to set the checked attribute: Let's see in practice how to work with such buttons in JavaScript. Suppose we have the group of radio buttons presented above, as well as a regular button:

Mar 17, 2025 · There are two ways in JavaScript to check the marked radio button or to identify which radio button is selected. JavaScript offers two DOM methods for this. The input radio checked property is used to check whether the checkbox is selected or not. Use document.getElementById ('id').checked method for this.

Aug 6, 2023 · To select radio buttons with JavaScript, you can use various methods to identify and target the specific radio buttons you want to manipulate. Here are three common approaches: 1. Identifying radio buttons using their name attribute. Radio buttons with the same name attribute value are grouped together.