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jQuery Object Hash and jQuery Extend

/ Published in: JavaScript
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An example of how to extent the jQuery objects to include our own methods.

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  1. /**
  2.  * Pass an option hash as an argument to our function, and extend the jQuery object.
  3.  * This is an example of how to extend the jQuery object.
  4.  */
  5. (function($){
  6. 	$.fn.setReadOnly = function(readonly,ourOptions){
  7. 		var options = $.extend({
  8. 			read: 1.0,
  9. 			readOnly: 0.5
  10. 		},ourOptions||{});
  11. 		return this.filter('input:text').attr('readonly',readonly).css('opacity', readonly ? options.readOnly:options.read);
  12. 	};
  13. })(jQuery);
  14.  
  15. $(function(){
  16. 	$('#same').click(function(){
  17. 		var same = this.checked;
  18. 		$('#details2 input').setReadOnly(same,{readOnly: 0.1});
  19. 	});
  20. });

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