摘要：var a = 12; //数值类型var b = 'php'; //字符串var c = true; //布尔类型var d = new Array (); //数组var person = {firstnname:'John',id:5566}; //对象var e = null; //空undefined //未定义
var a = 12; //数值类型
var b = 'php'; //字符串
var c = true; //布尔类型
var d = new Array (); //数组
var person = {firstnname:'John',id:5566}; //对象
var e = null; //空
undefined //未定义
批改老师：韦小宝批改时间：2019-02-01 09:52:39
老师总结：你这些的也太简单了吧 连个script标签都懒得给的么?
