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Create HTML Use a <form> element. Add three <label> elements with the radio input type, name and value attributes. Add the required attribute within the first <label>. Add an <input> with the type “submit”.

It is a form element which allows the users to select only one option from the given set of options. It is created by the type attribute of the <input> element as shown in the following syntax: <input type="radio" name ="Any_name"/>

To make it required that a selection must be made, just click the required option under Radio Button field settings. Doesn't matter whether you do this on just one of the radio buttons in the group, or all of them, you'll get the same behavior of “one must be selected for this field to be valid”.

It is generally used in HTML form. If we want to deselect any option we have to select another option in the case of a radio button. Approach: To add a radio buttons in a webpage, the HTML provides a <input> element with type attribute is set to “radio”.

The HTML <form> element contains child elements that collect user input, such as <input type=”radio”>. To make a basic form with radio buttons in it, wrap your radio button grouping(s) in a <form> tag, and include a <button> of type submit at the bottom.

Use the “checked” property of the radio button element for validating a radio button using JavaScript. It gives a boolean value “true” if the radio button is selected/checked, if it gives “false”, it means the radio button is “not-checked”.

The HTML <form> element contains child elements that collect user input, such as <input type=”radio”>. To make a basic form with radio buttons in it, wrap your radio button grouping(s) in a <form> tag, and include a <button> of type submit at the bottom.