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Posted By

krisdb on 04/11/07


Tagged

javascript


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select/deselect all checkboxes

Published in: JavaScript 

Plain TextExpand 
  1. //checks all checkboxes
  2. function checkAll(field) {
  3. 		if (!(field.length)) {
  4. 	    field.checked = true;
  5. 		}
  6. 		else {
  7.     for (var i = 0; i < field.length; i++) {
  8. 	    field[i].checked = true;
  9.     }
  10.   }
  11. }
  12.  
  13. //unchecks all checkboxes
  14. function uncheckAll(field) {
  15. 		if (!(field.length)) {
  16.         field.checked = false;
  17. 		}
  18. 		else {
  19.     for (var i = 0; i < field.length; i++) {
  20.         field[i].checked = false;
  21.     }
  22.   }
  23. }	
  24.  
  25. <a href="javascript:checkAll(document.FRM.FIELD);">select</a> / <a href="javascript:uncheckAll(document.FRM.FIELD);">deselect</a> all
  26.  
  27. loop through all checkboxes in a form:
  28.  
  29. function checkAll() {
  30.     for (i=0; i<document.FormName.elements.length; i++) {
  31.        if (document.FormName.elements[i].type=="checkbox")
  32.           document.FormName.elements[i].checked=true;
  33.    }
  34. }

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