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jQuery - check, uncheck, invert checkboxes

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  1. <script type="text/javascript" src="http://code.jquery.com/jquery-latest.pack.js" language="javascript"></script>
  2. 	<script type="text/javascript" language="javascript">
  3. 		$( function() {
  4. 			$( '.checkAll' ).live( 'change', function() {
  5. 				$( '.cb-element' ).attr( 'checked', $( this ).is( ':checked' ) ? 'checked' : '' );
  6. 				$( this ).next().text( $( this ).is( ':checked' ) ? 'Uncheck All' : 'Check All' );
  7. 			});
  8. 			$( '.invertSelection' ).live( 'click', function() {
  9. 				$( '.cb-element' ).each( function() {
  10. 					$( this ).attr( 'checked', $( this ).is( ':checked' ) ? '' : 'checked' );
  11. 				}).trigger( 'change' );
  12. 			});
  13. 			$( '.cb-element' ).live( 'change', function() {
  14. 				$( '.cb-element' ).length == $( '.cb-element:checked' ).length ? $( '.checkAll' ).attr( 'checked', 'checked' ).next().text( 'Uncheck All' ) : $( '.checkAll' ).attr( 'checked', '' ).next().text( 'Check All' );
  15. 			});
  16. 		});
  17. 	</script>
  18. <div class="controls">
  19. 	<span><input type="checkbox" class="checkAll" /> <b>Check All</b> <span> or 
  20. 	<span><a href="javascript:void(0);" class="invertSelection">Invert Selection</a></span>
  21. </div>
  22. <div class="elements">
  23. 	<span><input type="checkbox" class="cb-element" /> Checkbox 1</span>
  24. 	<span><input type="checkbox" class="cb-element" /> Checkbox 2</span>
  25. 	<span><input type="checkbox" class="cb-element" /> Checkbox 3</span>
  26. 	<span><input type="checkbox" class="cb-element" /> Checkbox 4</span>
  27. 	<span><input type="checkbox" class="cb-element" /> Checkbox 5</span>
  28. 	<span><input type="checkbox" class="cb-element" /> Checkbox 6</span>
  29. 	<span><input type="checkbox" class="cb-element" /> Checkbox 7</span>
  30. 	<span><input type="checkbox" class="cb-element" /> Checkbox 8</span>
  31. 	<span><input type="checkbox" class="cb-element" /> Checkbox 9</span>
  32. 	<span><input type="checkbox" class="cb-element" /> Checkbox 10</span>
  33. </div>

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