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Toggle all form checkboxes

/ Published in: JavaScript
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Simple script to toggle (checked or not checked) all checkboxes on the page.

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  1. function toggleCheckboxes() {
  2. // written by Daniel P 3/21/07
  3. // toggle all checkboxes found on the page
  4.   	var inputlist = document.getElementsByTagName("input");
  5.   	for (i = 0; i < inputlist.length; i++) {
  6.    	if ( inputlist[i].getAttribute("type") == 'checkbox' ) {	// look only at input elements that are checkboxes
  7. 			if (inputlist[i].checked)	inputlist[i].checked = false
  8. 			else								inputlist[i].checked = true;
  9. 		}
  10. 	}
  11. }

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