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Custom jQuery selector

/ Published in: jQuery
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Example given in the book jQuery Enlightenment.

Create your own custom selectors in jQuery and manipulate as usual.

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Copy this code and paste it in your HTML 
  1. $.expr[":"].positionAbsolute = function(el){
  2. 	return $(el).css("position") === "absolute";
  3. };
  4.  
  5. //Usage
  6. alert($(":positionAbsolute").length); //alerts number elements positioned absolutley
  7.  
  8. //Or use a filter
  9. $("div").filter(function(){return $(this).css('position') === 'absolute';});

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