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The dollar function is a simple way to grab an element quickly. It not only takes in strings, it takes objects too. Instead of: document.getElementById('a'); use: $('a'). If you want a whole collection of elements, you can simply do this: $('a','b',obj,obj2,'c','d');.

Label: Prototype Dollar Function

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<script type="text/javascript">
// Created by: Dustin Diaz :: http://www.dustindiaz.com/

function $() {
  var elements = new Array();
  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);
    if (arguments.length == 1)
      return element;
    elements.push(element);
  }
  return elements;
}

// ........................................................
// Sample Usage:
var obj1 = document.getElementById('element1');
var obj2 = document.getElementById('element2');
function alertElements() {
  var i;
  var elements = $('a','b','c',obj1,obj2,'d','e');
  for ( i=0;i<elements.length;i++ ) {
    alert(elements[i].id);
  }
}
// ........................................................

</script>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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30/01/2007
Dustin Diaz [more]
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JavaScript Prototype Dollar Function

0/5 0 votes / 3,323 previews / 0 comment 30/01/2007 The dollar function is a simple way to grab an element quickly. It not only takes in strings, it takes objects too. Inst...JavaScript Prototype Dollar Function - Prototype Dollar Function

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