Code for validating radio button in javascript

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Form validation is the process of checking that a form has been filled in correctly before it is processed.

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Use a button to submit form data to the server or to reset the form.We're going to be checking the form using a function, which will be activated by the form's Validating this form would be considerably simpler than one containing radio buttons or select boxes, but any form element can be accessed.Below are the ways to get the value from all types of form elements.Following pictorial shows in which field, what validation we want to impose.We will create Java Script functions (one for each input field whose value is to validate) which check whether a value submitted by user passes the validation.

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