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validate a radio button

What is the code used to validate if a radio button has been selected? Drop downs are so much easier! Thanks.

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JavaScript

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@Khalid_AliJul 10.2003 — document.formName.radioGroup[index].checked

The above should work.

Radio buttons are named as in group so that an array is created and then access a particular element in the array to perform any processing on each radio button
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