運(yùn)用js計(jì)算年齡

各種地方都實(shí)用

jsGetAge: function (strBirthday) { //傳入形式y(tǒng)yyy-MM-dd//strBirthday = util.formatTime(strBirthday);轉(zhuǎn)換成yyyy-MM-dd形式var returnAgevar strBirthdayArr = strBirthday.split('-')var birthYear = strBirthdayArr[0]var birthMonth = strBirthdayArr[1]var birthDay = strBirthdayArr[2]var d = new Date()var nowYear = d.getFullYear()var nowMonth = d.getMonth() + 1var nowDay = d.getDate()if (nowYear == birthYear) {returnAge = 0 //同年 則為0歲} else {var ageDiff = nowYear - birthYear //年之差if (ageDiff > 0) {if (nowMonth == birthMonth) {var dayDiff = nowDay - birthDay //日之差if (dayDiff < 0) {returnAge = ageDiff - 1} else {returnAge = ageDiff}} else {var monthDiff = nowMonth - birthMonth //月之差if (monthDiff < 0) {returnAge = ageDiff - 1} else {returnAge = ageDiff}}} else {returnAge = -1 //返回-1 表示出生日期輸入錯(cuò)誤 晚于今天}}return returnAge //返回周歲年齡}

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