var arr = new Array(); //或者 var arr = [];//或者var arr = [{index:'0'},{address:'1'}];var obj_1 = { index:'1', index:'2'};var obj_2 = { index:'3', index:'3'};arr.push(obj_1,obj_2);     //添加var pop_data = arr.pop();   //刪除并返回數組的最后一個元素。//遍歷for(var i=0;i<arr.length;i++){  console.log(i+": "+arr[i]);}//也可以用類似遍歷對象屬性的方法for(var i in arr){  console.log(i+": "+arr[i])}//任何數組的操作方法

//聲明var objects = {};//添加屬性objects[key] = obj1;//獲取屬性var obj = objects[key];//刪除delete objects[key];//遍歷 for(let key in objects){    console.log(objects[key]); }