1.邮箱
export const isEmail = (e) => {return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(e)}
2.手机号码
export const isMobile = (e) => {return /^1[0-9]{10}$/.test(e)}
3.电话号码
export const isPhone = (e) =>{return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(e)}
4.是否url地址
export const isURL = (e) => {return /^http[s]?:////.*/.test(e)}
5.是否字符串
export const isNumber = (e) =>{return Object.prototype.toString.call(e).slice(8,-1) === 'String'}
6.是否数字
export const isNumber = (e) =>{return Object.prototype.toString.call(e).slice(8,-1) ==='Number'}
7.是否boolean
export const isBoolean = (e) =>{return Object.prototype.toString.call(e).slice(8,-1) ==='Boolean'}
8.是否函数
export const isFunction = (e) =>{return Object.prototype.toString.call(e).slice(8,-1) === 'Function'}
9.是否为null
export const isNull = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='Null'}
10.是否undefined
export const isUndefined = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='Undefined'}
11.是否对象
export const isObject = (e) =>{return Object.prototype.toString.call(e).slice(8,-1) === 'Object'}
12.是否数组
export const isArray = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='Array'}
13.是否时间
export const isDate = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='Date'}
14.是否正则
export const isRegExp = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='RegExp'}
15.是否错误对象
export const isError = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='Error'}
16.是否Symbol函数
export const isSymbol = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='Symbol'}
17.是否Promise对象
export const isPromise = (e) =>{return Object.prototype.toString.call(e).slice(8,-1)==='Promise'}
18.是否Set对象
export const isSet = (e) =>{return Object.prototype.toString.call(e).slice(8,-1) ==='Set'}export const us = navigator.userAgent.toLowerCase();
19.是否是微信浏览器
export const isWeiXin = () =>{return ua.match(/microMessenger/i) == 'micromessenger'}
20.是否是移动端
export const isDeviceMobile =()=>{return /android|webos|iphone|ipod|balckberry/i.test(ua)} 到此这篇关于常用的js函数方法的文章就介绍到这了,更多相关常用的js函数内容请搜索51zixue.net以前的文章或继续浏览下面的相关文章希望大家以后多多支持51zixue.net! 下载地址: vue项目完成后如何实现项目优化的示例 20个JS简写技巧提升工作效率 |