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                > 原文 :[https://segmentfault.com/a/1190000022736837](https://segmentfault.com/a/1190000022736837) 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.是否字符串 ~~~ 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.是否函數 ~~~ 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.是否對象 ~~~ export const isObj = (o) => { return Object.prototype.toString.call(o).slice(8, -1) === 'Object' } ~~~ 12.是否數組 ~~~ 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.是否錯誤對象 ~~~ export const isError = (o) => { return Object.prototype.toString.call(o).slice(8, -1) === 'Error' } ~~~ 16.是否Symbol函數 ~~~ export const isSymbol = (o) => { return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol' } ~~~ 17.是否Promise對象 ~~~ export const isPromise = (o) => { return Object.prototype.toString.call(o).slice(8, -1) === 'Promise' } ~~~ 18.是否Set對象 ~~~ 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參數 ~~~ 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.判斷類型集合 ~~~ 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(sBirthday) if (sBirthday != (d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate())) { console.log('身份證上的出生日期非法') return false } // 身份證號碼校驗 var sum = 0, weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2], codes = "10X98765432" for (var i = 0; i < sId.length - 1; i++) { sum += sId[i] * weights[i]; } var last = codes[sum % 11]; //計算出來的最后一位身份證號碼 if (sId[sId.length - 1] != last) { console.log('你輸入的身份證號非法') return false } return true } ~~~ 39.隨機數范圍 ~~~ export const random = (min, max) => { if (arguments.length === 2) { return Math.floor(min + Math.random() * ((max + 1) - min)) } else { return null; } } ~~~ 40.將阿拉伯數字翻譯成中文的大寫數字 ~~~ export const numberToChinese = (num) => { var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十"); var BB = new Array("", "十", "百", "仟", "萬", "億", "點", ""); var a = ("" + num).replace(/(^0*)/g, "").split("."), k = 0, re = ""; for (var i = a[0].length - 1; i >= 0; i--) { switch (k) { case 0: re = BB[7] + re; break; case 4: if (!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$") .test(a[0])) re = BB[4] + re; break; case 8: re = BB[5] + re; BB[7] = BB[5]; k = 0; break; } if (k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0) re = AA[0] + re; if (a[0].charAt(i) != 0) re = AA[a[0].charAt(i)] + BB[k % 4] + re; k++; } if (a.length > 1) // 加上小數部分(如果有小數部分) { re += BB[6]; for (var i = 0; i < a[1].length; i++) re += AA[a[1].charAt(i)]; } if (re == '一十') re = "十"; if (re.match(/^一/) && re.length == 3) re = re.replace("一", ""); return re; } ~~~ 41.將數字轉換為大寫金額 ~~~ export const changeToChinese = (Num) => { //判斷如果傳遞進來的不是字符的話轉換為字符 if (typeof Num == "number") { Num = new String(Num); }; Num = Num.replace(/,/g, "") //替換tomoney()中的“,” Num = Num.replace(/ /g, "") //替換tomoney()中的空格 Num = Num.replace(/¥/g, "") //替換掉可能出現的¥字符 if (isNaN(Num)) { //驗證輸入的字符是否為數字 //alert("請檢查小寫金額是否正確"); return ""; }; //字符處理完畢后開始轉換,采用前后兩部分分別轉換 var part = String(Num).split("."); var newchar = ""; //小數點前進行轉化 for (var i = part[0].length - 1; i >= 0; i--) { if (part[0].length > 10) { return ""; //若數量超過拾億單位,提示 } var tmpnewchar = "" var perchar = part[0].charAt(i); switch (perchar) { case "0": tmpnewchar = "零" + tmpnewchar; break; case "1": tmpnewchar = "壹" + tmpnewchar; break; case "2": tmpnewchar = "貳" + tmpnewchar; break; case "3": tmpnewchar = "叁" + tmpnewchar; break; case "4": tmpnewchar = "肆" + tmpnewchar; break; case "5": tmpnewchar = "伍" + tmpnewchar; break; case "6": tmpnewchar = "陸" + tmpnewchar; break; case "7": tmpnewchar = "柒" + tmpnewchar; break; case "8": tmpnewchar = "捌" + tmpnewchar; break; case "9": tmpnewchar = "玖" + tmpnewchar; break; } switch (part[0].length - i - 1) { case 0: tmpnewchar = tmpnewchar + "元"; break; case 1: if (perchar != 0) tmpnewchar = tmpnewchar + "拾"; break; case 2: if (perchar != 0) tmpnewchar = tmpnewchar + "佰"; break; case 3: if (perchar != 0) tmpnewchar = tmpnewchar + "仟"; break; case 4: tmpnewchar = tmpnewchar + "萬"; break; case 5: if (perchar != 0) tmpnewchar = tmpnewchar + "拾"; break; case 6: if (perchar != 0) tmpnewchar = tmpnewchar + "佰"; break; case 7: if (perchar != 0) tmpnewchar = tmpnewchar + "仟"; break; case 8: tmpnewchar = tmpnewchar + "億"; break; case 9: tmpnewchar = tmpnewchar + "拾"; break; } var newchar = tmpnewchar + newchar; } //小數點之后進行轉化 if (Num.indexOf(".") != -1) { if (part[1].length > 2) { // alert("小數點之后只能保留兩位,系統將自動截斷"); part[1] = part[1].substr(0, 2) } for (i = 0; i < part[1].length; i++) { tmpnewchar = "" perchar = part[1].charAt(i) switch (perchar) { case "0": tmpnewchar = "零" + tmpnewchar; break; case "1": tmpnewchar = "壹" + tmpnewchar; break; case "2": tmpnewchar = "貳" + tmpnewchar; break; case "3": tmpnewchar = "叁" + tmpnewchar; break; case "4": tmpnewchar = "肆" + tmpnewchar; break; case "5": tmpnewchar = "伍" + tmpnewchar; break; case "6": tmpnewchar = "陸" + tmpnewchar; break; case "7": tmpnewchar = "柒" + tmpnewchar; break; case "8": tmpnewchar = "捌" + tmpnewchar; break; case "9": tmpnewchar = "玖" + tmpnewchar; break; } if (i == 0) tmpnewchar = tmpnewchar + "角"; if (i == 1) tmpnewchar = tmpnewchar + "分"; newchar = newchar + tmpnewchar; } } //替換所有無用漢字 while (newchar.search("零零") != -1) newchar = newchar.replace("零零", "零"); newchar = newchar.replace("零億", "億"); newchar = newchar.replace("億萬", "億"); newchar = newchar.replace("零萬", "萬"); newchar = newchar.replace("零元", "元"); newchar = newchar.replace("零角", ""); newchar = newchar.replace("零分", ""); if (newchar.charAt(newchar.length - 1) == "元") { newchar = newchar + "整" } return newchar; } ~~~ 42.判斷一個元素是否在數組中 ~~~ export const contains = (arr, val) => { return arr.indexOf(val) != -1 ? true : false; } ~~~ 43.數組排序,`{type} 1:從小到大 2:從大到小 3:隨機` ~~~ export const sort = (arr, type = 1) => { return arr.sort((a, b) => { switch (type) { case 1: return a - b; case 2: return b - a; case 3: return Math.random() - 0.5; default: return arr; } }) } ~~~ 44.去重 ~~~ export const unique = (arr) => { if (Array.hasOwnProperty('from')) { return Array.from(new Set(arr)); } else { var n = {}, r = []; for (var i = 0; i < arr.length; i++) { if (!n[arr[i]]) { n[arr[i]] = true; r.push(arr[i]); } } return r; } } ~~~ 45.求兩個集合的并集 ~~~ export const union = (a, b) => { var newArr = a.concat(b); return this.unique(newArr); } ~~~ 46.求兩個集合的交集 ~~~ export const intersect = (a, b) => { var _this = this; a = this.unique(a); return this.map(a, function (o) { return _this.contains(b, o) ? o : null; }); } ~~~ 47.刪除其中一個元素 ~~~ export const remove = (arr, ele) => { var index = arr.indexOf(ele); if (index > -1) { arr.splice(index, 1); } return arr; } ~~~ 48.將類數組轉換為數組 ~~~ export const formArray = (ary) => { var arr = []; if (Array.isArray(ary)) { arr = ary; } else { arr = Array.prototype.slice.call(ary); }; return arr; } ~~~ 49.最大值 ~~~ export const max = (arr) => { return Math.max.apply(null, arr); } ~~~ 50.最小值 ~~~ export const min = (arr) => { return Math.min.apply(null, arr); } ~~~ 51.求和 ~~~ export const sum = (arr) => { return arr.reduce((pre, cur) => { return pre + cur }) } ~~~ 52.平均值 ~~~ export const average = (arr) => { return this.sum(arr) / arr.length } ~~~ 53.去除空格,`type: 1-所有空格 2-前后空格 3-前空格 4-后空格` ~~~ export const trim = (str, type) => { type = type || 1 switch (type) { case 1: return str.replace(/\s+/g, ""); case 2: return str.replace(/(^\s*)|(\s*$)/g, ""); case 3: return str.replace(/(^\s*)/g, ""); case 4: return str.replace(/(\s*$)/g, ""); default: return str; } } ~~~ 54.字符轉換,`type: 1:首字母大寫 2:首字母小寫 3:大小寫轉換 4:全部大寫 5:全部小寫` ~~~ export const changeCase = (str, type) => { type = type || 4 switch (type) { case 1: return str.replace(/\b\w+\b/g, function (word) { return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase(); }); case 2: return str.replace(/\b\w+\b/g, function (word) { return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase(); }); case 3: return str.split('').map(function (word) { if (/[a-z]/.test(word)) { return word.toUpperCase(); } else { return word.toLowerCase() } }).join('') case 4: return str.toUpperCase(); case 5: return str.toLowerCase(); default: return str; } } ~~~ 55.檢測密碼強度 ~~~ export const checkPwd = (str) => { var Lv = 0; if (str.length < 6) { return Lv } if (/[0-9]/.test(str)) { Lv++ } if (/[a-z]/.test(str)) { Lv++ } if (/[A-Z]/.test(str)) { Lv++ } if (/[\.|-|_]/.test(str)) { Lv++ } return Lv; } ~~~ 56.函數節流器 ~~~ export const debouncer = (fn, time, interval = 200) => { if (time - (window.debounceTimestamp || 0) > interval) { fn && fn(); window.debounceTimestamp = time; } } ~~~ 57.在字符串中插入新字符串 ~~~ export const insertStr = (soure, index, newStr) => { var str = soure.slice(0, index) + newStr + soure.slice(index); return str; } ~~~ 58.判斷兩個對象是否鍵值相同 ~~~ export const isObjectEqual = (a, b) => { var aProps = Object.getOwnPropertyNames(a); var bProps = Object.getOwnPropertyNames(b); if (aProps.length !== bProps.length) { return false; } for (var i = 0; i < aProps.length; i++) { var propName = aProps[i]; if (a[propName] !== b[propName]) { return false; } } return true; } ~~~ 59.16進制顏色轉RGBRGBA字符串 ~~~ export const colorToRGB = (val, opa) => { var pattern = /^(#?)[a-fA-F0-9]{6}$/; //16進制顏色值校驗規則 var isOpa = typeof opa == 'number'; //判斷是否有設置不透明度 if (!pattern.test(val)) { //如果值不符合規則返回空字符 return ''; } var v = val.replace(/#/, ''); //如果有#號先去除#號 var rgbArr = []; var rgbStr = ''; for (var i = 0; i < 3; i++) { var item = v.substring(i * 2, i * 2 + 2); var num = parseInt(item, 16); rgbArr.push(num); } rgbStr = rgbArr.join(); rgbStr = 'rgb' + (isOpa ? 'a' : '') + '(' + rgbStr + (isOpa ? ',' + opa : '') + ')'; return rgbStr; } ~~~ 60.追加url參數 ~~~ export const appendQuery = (url, key, value) => { var options = key; if (typeof options == 'string') { options = {}; options[key] = value; } options = $.param(options); if (url.includes('?')) { url += '&' + options } else { url += '?' + options } return url; } ~~~
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                              哎呀哎呀视频在线观看