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唠叨唠叨
今天给大家提供一些前端常用的工具方法，有需要的收藏起来哦！
1.邮箱校验
export const isEmail = (s) => {
return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}
2.手机号码校验
export const isMobile = (s) => {
return /^1[0-9]{10}$/.test(s)
}
3.电话号码校验
export const isPhone = (s) => {
return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
}
4.是否url地址
export const isURL = (s) => {
return /^http[s]?:\/\/.*/.test(s)
}
5.是否字符串
export const isString = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'String'
}
6.是否数字
export const isNumber = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
}
7.是否boolean
export const isBoolean = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
}
8.是否函数
export const isFunction = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
}
9.是否为null
export const isNull = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
}
10.是否undefined
export const isUndefined = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
}
11.是否对象
export const isObj = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
}
12.是否数组
export const isArray = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
}
13.是否时间
export const isDate = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
}
14.是否正则
export const isRegExp = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
}
15.是否错误对象
export const isError = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
}
16.是否Symbol函数
export const isSymbol = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
}
17.是否Promise对象
export const isPromise = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
}
18.是否Set对象
export const isSet = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
}
export const ua = 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)
}
21.是否是QQ浏览器
export const isQQBrowser = () => {
return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
}
22.是否是爬虫
export const isSpider = () => {
return /adsbot|googlebot|bingbot|msnbot|yandexbot|baidubot|robot|careerbot|seznambot|bot|baiduspider|jikespider|symantecspider|scannerlwebcrawler|crawler|360spider|sosospider|sogou web sprider|sogou orion spider/.test(ua)
}
23.是否ios
export const isIos = () => {
var u = navigator.userAgent;
if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) { //安卓手机
return false
} else if (u.indexOf('iPhone') > -1) {//苹果手机
return true
} else if (u.indexOf('iPad') > -1) {//iPad
return false
} else if (u.indexOf('Windows Phone') > -1) {//winphone手机
return false
} else {
return false
}
}
24.是否为PC端
export const isPC = () => {
var userAgentInfo = navigator.userAgent;
var Agents = ["Android", "iPhone",
"SymbianOS", "Windows Phone",
"iPad", "iPod"];
var flag = true;
for (var v = 0; v < Agents.length; v++) {
if (userAgentInfo.indexOf(Agents[v]) > 0) {
flag = false;
break;
}
}
return flag;
}
25.去除html标签
export const removeHtmltag = (str) => {
return str.replace(/<[^>]+>/g, '')
}
26.获取url参数
export const getQueryString = (name) => {
const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
const search = window.location.search.split('?')[1] || '';
const r = search.match(reg) || [];
return r[2];
}
27.动态引入js
export const injectScript = (src) => {
const s = document.createElement('script');
s.type = 'text/javascript';
s.async = true;
s.src = src;
const t = document.getElementsByTagName('script')[0];
t.parentNode.insertBefore(s, t);
}
28.根据url地址下载
export const download = (url) => {
var isChrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
var isSafari = navigator.userAgent.toLowerCase().indexOf('safari') > -1;
if (isChrome || isSafari) {
var link = document.createElement('a');
link.href = url;
if (link.download !== undefined) {
var fileName = url.substring(url.lastIndexOf('/') + 1, url.length);
link.download = fileName;
}
if (document.createEvent) {
var e = document.createEvent('MouseEvents');
e.initEvent('click', true, true);
link.dispatchEvent(e);
return true;
}
}
if (url.indexOf('?') === -1) {
url += '?download';
}
window.open(url, '_self');
return true;
}
29.el是否包含某个class
export const hasClass = (el, className) => {
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
return reg.test(el.className)
}
30.el添加某个class
export const addClass = (el, className) => {
if (hasClass(el, className)) {
return
}
let newClass = el.className.split(' ')
newClass.push(className)
el.className = newClass.join(' ')
}
感谢
谢谢你读完本篇文章，希望对你能有所帮助，如有问题欢迎各位指正。
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