[阅读: 370] 2007-04-09 16:34:45
接近于new window【s】的性能
function createObject(s){
if (createObject.classes != null){
var creator = createObject.classes【s】;
if(creator != null) return new creator();
}else{
createObject.classes = {};
}
var o = eval("new " + s);
createObject.classes【s】 = o.constructor;
return o;
}