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Prototype function $

/ Published in: JavaScript
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instead of document.getElementById('a');, you’d simply just do this instead:

$('a');.

And if you wanted a whole collection of elements, you can simply do this:

$('a','b',obj,obj2,'c','d');

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  1. function $() {
  2. 	var elements = new Array();
  3. 	for (var i = 0; i < arguments.length; i++) {
  4. 		var element = arguments[i];
  5. 		if (typeof element == 'string')
  6. 			element = document.getElementById(element);
  7. 		if (arguments.length == 1)
  8. 			return element;
  9. 		elements.push(element);
  10. 	}
  11. 	return elements;
  12. }
  13.  
  14. // Sample Usage:
  15. var obj1 = document.getElementById('element1');
  16. var obj2 = document.getElementById('element2');
  17. function alertElements() {
  18.   var i;
  19.   var elements = $('a','b','c',obj1,obj2,'d','e');
  20.   for ( i=0;i

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