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Posted By

Piotrek290 on 02/25/10


Tagged

js try these


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Try.these(args)

 / Published in: JavaScript
 
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  1. var Try = {
  2. 	these: function() {
  3. 		var a1;
  4.  
  5. 		for (var i=0; i<arguments.length; ++i) {
  6. 			var a2 = arguments[i];
  7. 			try {
  8. 				a1 = a2();
  9. 				break;
  10. 			} catch(e){}
  11. 		}
  12.  
  13. 		return a1;
  14. 	}
  15. };
  16.  
  17. // ============ Example
  18. Try.these(
  19. 	function() {return new ActiveXObject('Msxml2.XMLHTTP')},
  20. 	function() {return new ActiveXObject('Microsoft.XMLHTTP')},
  21. 	function() {return new XMLHttpRequest()}
  22. );

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