JavaScript版DateAdd和DateDiff函数代码_javascript技巧【图】

DateAdd函数： 代码如下: function DateAdd(interval,number,date){ switch(interval.toLowerCase()){ case "y": return new Date(date.setFullYear(date.getFullYear()+number)); case "m": return new Date(date.setMonth(date.getMonth()+number)); case "d": return new Date(date.setDate(date.getDate()+number)); case "w": return new Date(date.setDate(date.getDate()+7*number)); case "h": return new Date(date.setH...