Deselect a radio button

With this simple code, users can use a double click to deselect a radio button. This saves developers from creating an extra user interface component.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> 
<title>Deselect A Radio Button</title> 
<script language="JavaScript" type="text/JavaScript">
function uncheckRadio() {
 var choice = document.form1.RadioGroup1;
 for (i = 0; i < choice.length; i++) {
  if ( choice[i].checked = true ) 
   choice[i].checked = false; 

<form name="form1" method="post" action="">
        <input type="radio" name="RadioGroup1
" value="1" ondblclick="uncheckRadio();">
        <input type="radio" name="RadioGroup1" 
value="2" ondblclick="uncheckRadio();">
        <input type="radio" name="RadioGroup1" 
value="3" ondblclick="uncheckRadio();">

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This tip was submitted to the SearchDomino.com tip exchange by member Hannie Fan. Please let others know how useful it is via the rating scale below. Do you have a useful Notes/Domino tip or code to share? Submit it to our monthly tip contest and you could win a prize and a spot in our Hall of Fame.

This was first published in July 2005

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