Editor’s note: In some cases, when we select one radio button, we want disable the user to have a fill in some information related which is no related to that other radio button, and so javascript helps us to do this job.

Editor’s note: HTML form normally submitted with a button, however in some cases when the user wants to have an action (submit some data to another page) by clicking a radio button, a little javascript would do the job, and here is an example:

Like a drop down menu, radio button element almost work the same but allows the users to see all the selections in a list. I use the radio button for member registration area in my past work to let them to choose things such as gender or age group etc.