拷贝方法:
function clone(myObj) { if (typeof (myObj) != 'object') return myObj; if (myObj == null) return myObj; var myNewObj = new Object(); for (var i in myObj) myNewObj[i] = clone(myObj[i]); return myNewObj; }
调用:
var _data = {}; _data.currentItem = clone(item);