摘要： var express = require('express');var path = require('path');var favicon = require('serve-favicon');var logger = require('morgan');var cookieParser = r... 阅读全文

摘要： var a = {n: 1}var b = a;a.x = a = {n: 2}console.log(a.x);console.log(b.x) 答案是：undefinedObject{n:2}为什么呢？个人见解：1 object属于引用类型，当然得看下内存怎么分配2 连等我一直坚持认为从左往右... 阅读全文