function _clone(obj){ if(obj == null || typeof(obj) != 'object') return obj; var temp = new obj.constructor(); for(var key in obj) temp[key] = _clone(obj[key]); return temp; }
function _clone(obj){ if(obj == null || typeof(obj) != 'object') return obj; var temp = new obj.constructor(); for(var key in obj) temp[key] = _clone(obj[key]); return temp; }