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Posted By

markrocky on 12/06/07

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Last Edited at 12/06/07 07:01am

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enableClearDefault();

/ Published in: JavaScript
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attaches an event (using addEvent) to all text fields that clears the contents when selected

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  1. function enableClearDefault() {
  2. 	if (!document.getElementsByTagName) return;
  3. 	var inputFields = document.getElementsByTagName("input");
  4. 	for (var i=0; i<inputFields.length; i++) {
  5. 		var inputField = inputFields[i];
  6. 		if (inputField.type=="text") {
  7. 			addEvent(inputFields[i], 'focus', 
  8. 				function() {
  9. 					clearDefault(this);
  10. 				}
  11. 			);
  12. 		}
  13. 	}
  14. };
  15. function clearDefault(el) {
  16. 	if ((el.defaultValue==el.value) && (isNaN(el.value))) {
  17. 		el.select();
  18. 	}
  19. };

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