jsBenchmarker

Source of "eval"

(function(){
	Benchmarker().compare({ attempts:5, times:1000 },{
		normal:function(){
			var a = 1 + 1;
		},
		eval:function(){
			eval('var a = 1+1;');
		},
		partialEval:function(){
			var a = eval('1+1;');
		},
		Function:function(){
			Function('var a = 1+1;')();
		}
	});
})();

/**
 * Conclusion
 *	eval IS really slower, Function can be faster in some browsers
 */