爱站程序员基地3.经典面试题
let a = {n: 1};let b = a;a.x = a = {n: 2};console.log(a.x); //undefinedconsole.log(b); //{n: 1, x: {n: 2}}
02-JS底层运行机制之堆栈内存
未经允许不得转载：爱站程序员基地 » 02-JS底层运行机制之堆栈内存
let a = {n: 1};let b = a;a.x = a = {n: 2};console.log(a.x); //undefinedconsole.log(b); //{n: 1, x: {n: 2}}
