![]() Now, we will check using this button id that the radio button is marked or not. ![]() See the JavaScript code below to know how it works: Exampleįor example, we have a radio button named Summer and id = 'summer'. onclick event example I have prepared some basic HTML with a little bit of styling so we can put the onclick event into real-world practice. It can be either true or false.įalse - If radio button is not selected/ checked. In JavaScript, you invoke a function by calling its name, then you put a parenthesis after the function identifier (the name). It will return the checked status of the radio button as a Boolean value. Use document.getElementById('id').checked method for this. The input radio checked property is used to check whether the checkbox is selected or not. ![]() JavaScript offers two DOM methods for this. There are two ways in JavaScript to check the marked radio button or to identify which radio button is selected. However, we have to write the JavaScript code to get the value of the checked radio button, which we will see in the chapter below: Check the radio button is selected or not They can be checked once they are created or specified in HTML form. We do not need to write any specific code to check the radio button. ![]()
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