1判断是否为同一个对象
var objT2 = {name: "lili", age:2,rows:{id:1,country:'china'}}
var objT1 = {name:'lili',age:2,rows:{id:1,country:'china'}}
obj1==obj2 //false
var obj3 = obj1;
obj1==obj3 //truevar objT2 = {name: "lili", ag1判断是否为同一个对象
var objT2 = {name: "lili", age:2,rows:{id:1,country:'china'}}
var objT1 = {name:'lili',age:2,rows:{id:1,country:'china'}}
obj1==obj2 //false
var obj3 = obj1;
obj1==obj3 //truevar objT2 = {name: "lili", ag