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fn. get radio button value

/ Published in: JavaScript
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/* How to use */
var prima = getCheckedValue(document.forms["myForm"].elements['myRadio'])

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  1. function getCheckedValue(radioObj) {
  2. 	if(!radioObj)
  3. 		return "";
  4. 	var radioLength = radioObj.length;
  5. 	if(radioLength == undefined)
  6. 		if(radioObj.checked)
  7. 			return radioObj.value;
  8. 		else
  9. 			return "";
  10. 	for(var i = 0; i < radioLength; i++) {
  11. 		if(radioObj[i].checked) {
  12. 			return radioObj[i].value;
  13. 		}
  14. 	}
  15. 	return "";
  16. }

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