HTML radio tag can use when you want the user to select only one option from a set of options/alternatives. Radio buttons are created using the <input>
tag making it's type equals to "radio". It has three required attributes type, name and value. There are two optional attributes also and those are id and checked.
Syntax
<form> <input type="radio"> </form>
Example
<!DOCTYPE html> <html> <head> <title>My HTML Radio Input Tag Example</title> </head> <body> <form> What is your favourite color? <p> <input type="radio" name = "color" value="r"/>Red </p> <p> <input type="radio" name = "color" value="y"/>Yellow </p> <p> <input type="radio" name = "color" value="g"/>Green </p> </form> </body> </html>
This will produce following result