js

js 物件: 事件: window物件: 屬性: 方法: 內建物建: number: string: boolean array Date Math RegExp Object if(){...}--->何者為false? 0,null,undefind,false,"",NaN Date 1.建立日期/時間物件 var today=new Date(); console.log(today); var someday=new Date(年,月(從零算起),日,時,分,秒); or var someday=new Date(milseconds); or var someday=new Date(字串);