作者：愛前端不愛戀愛
鏈接：https://zhuanlan.zhihu.com/p/143590337
來源：知乎
著作權歸作者所有，商業轉載請聯系作者獲得授權，非商業轉載請注明出處，
1.郵箱
export const isEmail = (s) => {
return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}
2.手機號碼
export const isMobile = (s) => {
return /^1[0-9]{10}$/.test(s)
}
3.電話號碼
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.是否字串
export const isString = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'String'
}
6.是否數字
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.是否函式
export const isFunction = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
}
9.是否為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.是否物件
export const isObj = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
}
12.是否陣列
export const isArray = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
}
13.是否時間
export const isDate = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
}
14.是否正則
export const isRegExp = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
}
15.是否錯誤物件
export const isError = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
}
16.是否Symbol函式
export const isSymbol = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
}
17.是否Promise物件
export const isPromise = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
}
18.是否Set物件
export const isSet = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
}
export const ua = navigator.userAgent.toLowerCase();
19.是否是微信瀏覽器
export const isWeiXin = () => {
return ua.match(/microMessenger/i) == 'micromessenger'
}20.是否是移動端
export const isDeviceMobile = () => {
return /android|webos|iphone|ipod|balckberry/i.test(ua)
}
21.是否是QQ瀏覽器
export const isQQBrowser = () => {
return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
}
22.是否是爬蟲
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) { //安卓手機
return false
} else if (u.indexOf('iPhone') > -1) {//蘋果手機
return true
} else if (u.indexOf('iPad') > -1) {//iPad
return false
} else if (u.indexOf('Windows Phone') > -1) {//winphone手機
return false
} else {
return false
}
}
24.是否為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標簽
export const removeHtmltag = (str) => {
return str.replace(/<[^>]+>/g, '')
}
26.獲取url引數
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.動態引入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.根據url地址下載
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是否包含某個class
export const hasClass = (el, className) => {
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
return reg.test(el.className)
}
30.el添加某個class
export const addClass = (el, className) => {
if (hasClass(el, className)) {
return
}
let newClass = el.className.split(' ')
newClass.push(className)
el.className = newClass.join(' ')
}
31.el去除某個class
export const removeClass = (el, className) => {
if (!hasClass(el, className)) {
return
}
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)', 'g')
el.className = el.className.replace(reg, ' ')
}
32.獲取滾動的坐標
export const getScrollPosition = (el = window) => ({
x: el.pageXOffset !== undefined ? el.pageXOffset : el.scrollLeft,
y: el.pageYOffset !== undefined ? el.pageYOffset : el.scrollTop
});
33.滾動到頂部
export const scrollToTop = () => {
const c = document.documentElement.scrollTop || document.body.scrollTop;
if (c > 0) {
window.requestAnimationFrame(scrollToTop);
window.scrollTo(0, c - c / 8);
}
}
34.el是否在視口范圍內
export const elementIsVisibleInViewport = (el, partiallyVisible = false) => {
const { top, left, bottom, right } = el.getBoundingClientRect();
const { innerHeight, innerWidth } = window;
return partiallyVisible
? ((top > 0 && top < innerHeight) || (bottom > 0 && bottom < innerHeight)) &&
((left > 0 && left < innerWidth) || (right > 0 && right < innerWidth))
: top >= 0 && left >= 0 && bottom <= innerHeight && right <= innerWidth;
}
35.洗牌演算法隨機
export const shuffle = (arr) => {
var result = [],
random;
while (arr.length > 0) {
random = Math.floor(Math.random() * arr.length);
result.push(arr[random])
arr.splice(random, 1)
}
return result;
}
36.劫持粘貼板
export const copyTextToClipboard = (value) => {
var textArea = document.createElement("textarea");
textArea.style.background = 'transparent';
textArea.value = value;
document.body.appendChild(textArea);
textArea.select();
try {
var successful = document.execCommand('copy');
} catch (err) {
console.log('Oops, unable to copy');
}
document.body.removeChild(textArea);
}
37.判斷型別集合
export const checkStr = (str, type) => {
switch (type) {
case 'phone': //手機號碼
return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);
case 'tel': //座機
return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
case 'card': //身份證
return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);
case 'pwd': //密碼以字母開頭，長度在6~18之間，只能包含字母、數字和下劃線
return /^[a-zA-Z]\w{5,17}$/.test(str)
case 'postal': //郵政編碼
return /[1-9]\d{5}(?!\d)/.test(str);
case 'QQ': //QQ號
return /^[1-9][0-9]{4,9}$/.test(str);
case 'email': //郵箱
return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
case 'money': //金額(小數點2位)
return /^\d*(?:\.\d{0,2})?$/.test(str);
case 'URL': //網址
return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
case 'IP': //IP
return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
case 'date': //日期時間
return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
case 'number': //數字
return /^[0-9]$/.test(str);
case 'english': //英文
return /^[a-zA-Z]+$/.test(str);
case 'chinese': //中文
return /^[\\u4E00-\\u9FA5]+$/.test(str);
case 'lower': //小寫
return /^[a-z]+$/.test(str);
case 'upper': //大寫
return /^[A-Z]+$/.test(str);
case 'HTML': //HTML標記
return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
default:
return true;
}
}
38.嚴格的身份證校驗
export const isCardID = (sId) => {
if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
console.log('你輸入的身份證長度或格式錯誤')
return false
}
//身份證城市
var aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "內蒙古", 21: "遼寧", 22: "吉林", 23: "黑龍江", 31: "上海", 32: "江蘇", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山東", 41: "河南", 42: "湖北", 43: "湖南", 44: "廣東", 45: "廣西", 46: "海南", 50: "重慶", 51: "四川", 52: "貴州", 53: "云南", 54: "西藏", 61: "陜西", 62: "甘肅", 63: "青海", 64: "寧夏", 65: "新疆", 71: "臺灣", 81: "香港", 82: "澳門", 91: "國外" };
if (!aCity[parseInt(sId.substr(0, 2))]) {
console.log('你的身份證地區非法')
return false
}
// 出生日期驗證
var sBirthday = (sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2))).replace(/-/g, "/"),
d = new Date