因為工作中經(jīng)常用到這些方法，所有便把這些方法進行了總結(jié)。
JavaScript
1. type 類型判斷
isString (o) { //是否字符串 return Object.prototype.toString.call(o).slice(8, -1) === 'String'}isNumber (o) { //是否數(shù)字 return Object.prototype.toString.call(o).slice(8, -1) === 'Number'}isBoolean (o) { //是否boolean return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'}isFunction (o) { //是否函數(shù) return Object.prototype.toString.call(o).slice(8, -1) === 'Function'}isNull (o) { //是否為null return Object.prototype.toString.call(o).slice(8, -1) === 'Null'}isUndefined (o) { //是否undefined return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'}isObj (o) { //是否對象 return Object.prototype.toString.call(o).slice(8, -1) === 'Object'}isArray (o) { //是否數(shù)組 return Object.prototype.toString.call(o).slice(8, -1) === 'Array'}isDate (o) { //是否時間 return Object.prototype.toString.call(o).slice(8, -1) === 'Date'}isRegExp (o) { //是否正則 return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'}isError (o) { //是否錯誤對象 return Object.prototype.toString.call(o).slice(8, -1) === 'Error'}isSymbol (o) { //是否Symbol函數(shù) return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'}isPromise (o) { //是否Promise對象 return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'}isSet (o) { //是否Set對象 return Object.prototype.toString.call(o).slice(8, -1) === 'Set'}isFalse (o) { if (!o || o === 'null' || o === 'undefined' || o === 'false' || o === 'NaN') return true return false}isTrue (o) { return !this.isFalse(o)}isIos () { var u = navigator.userAgent; if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) {//安卓手機 // return "Android"; return false } else if (u.indexOf('iPhone') > -1) {//蘋果手機 // return "iPhone"; return true } else if (u.indexOf('iPad') > -1) {//iPad // return "iPad"; return false } else if (u.indexOf('Windows Phone') > -1) {//winphone手機 // return "Windows Phone"; return false }else{ return false }}isPC () { //是否為PC端 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;}browserType(){ var userAgent = navigator.userAgent; //取得瀏覽器的userAgent字符串 var isOpera = userAgent.indexOf("Opera") > -1; //判斷是否Opera瀏覽器 var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判斷是否IE瀏覽器 var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1; var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判斷是否IE的Edge瀏覽器 var isFF = userAgent.indexOf("Firefox") > -1; //判斷是否Firefox瀏覽器 var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判斷是否Safari瀏覽器 var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判斷Chrome瀏覽器 if (isIE) { var reIE = new RegExp("MSIE (//d+//.//d+);"); reIE.test(userAgent); var fIEVersion = parseFloat(RegExp["$1"]); if(fIEVersion == 7) return "IE7" else if(fIEVersion == 8) return "IE8"; else if(fIEVersion == 9) return "IE9"; else if(fIEVersion == 10) return "IE10"; else return "IE7以下"http://IE版本過低 } if (isIE11) return 'IE11'; if (isEdge) return "Edge"; if (isFF) return "FF"; if (isOpera) return "Opera"; if (isSafari) return "Safari"; if (isChrome) return "Chrome";}checkStr (str, type) { switch (type) { case 'phone': //手機號碼 return /^1[3|4|5|6|7|8|9][0-9]{9}$/.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(shù)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-]+)+$/.test(str); case 'money': //金額(小數(shù)點2位) return /^/d*(?:/./d{0,2})?$/.test(str); case 'URL': //網(wǎng)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(shù)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]+$/.test(str); case 'HTML': //HTML標記 return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str); default: return true; } // 嚴格的身份證校驗 isCardID(sId) { if (!/(^/d{15}$)|(^/d{17}(/d|X|x)$)/.test(sId)) { alert('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(nèi)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))]) { alert('你的身份證地區(qū)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())) { alert('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) { alert('你輸入的身份證號非法') return false } return true }}2. Date
/** * 格式化時間 * @param {time} 時間 * @param {cFormat} 格式 * @return {String} 字符串 * @example formatTime('2018-1-29', '{y}/{m}/iwvjtn8m0 {h}:{i}:{s}') // -> 2018/01/29 00:00:00 */formatTime(time, cFormat) { if (arguments.length === 0) return null if ((time + '').length === 10) { time = +time * 1000 } var format = cFormat || '{y}-{m}-iwvjtn8m0 {h}:{i}:{s}', date if (typeof time === 'object') { date = time } else { date = new Date(time) } var formatObj = { y: date.getFullYear(), m: date.getMonth() + 1, d: date.getDate(), h: date.getHours(), i: date.getMinutes(), s: date.getSeconds(), a: date.getDay() } var time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => { var value = formatObj[key] if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1] if (result.length > 0 && value < 10) { value = '0' + value } return value || 0 }) return time_str}/** * 返回指定長度的月份集合 * @param {time} 時間 * @param {len} 長度 * @param {direction} 方向： 1: 前幾個月; 2: 后幾個月; 3:前后幾個月 默認 3 * @return {Array} 數(shù)組 * @example getMonths('2018-1-29', 6, 1) // -> ["2018-1", "2017-12", "2017-11", "2017-10", "2017-9", "2017-8", "2017-7"] */getMonths(time, len, direction) { var mm = new Date(time).getMonth(), yy = new Date(time).getFullYear(), direction = isNaN(direction) ? 3 : direction, index = mm; var cutMonth = function(index) { if ( index <= len && index >= -len) { return direction === 1 ? formatPre(index).concat(cutMonth(++index)): direction === 2 ? formatNext(index).concat(cutMonth(++index)):formatCurr(index).concat(cutMonth(++index)) } return [] } var formatNext = function(i) { var y = Math.floor(i/12), m = i%12 return [yy+y + '-' + (m+1)] } var formatPre = function(i) { var y = Math.ceil(i/12), m = i%12 m = m===0 ? 12 : m return [yy-y + '-' + (13 - m)] } var formatCurr = function(i) { var y = Math.floor(i/12), yNext = Math.ceil(i/12), m = i%12, mNext = m===0 ? 12 : m return [yy-yNext + '-' + (13 - mNext),yy+y + '-' + (m+1)] } // 數(shù)組去重 var unique = function(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; } } return direction !== 3 ? cutMonth(index) : unique(cutMonth(index).sort(function(t1, t2){ return new Date(t1).getTime() - new Date(t2).getTime() }))}/** * 返回指定長度的天數(shù)集合 * @param {time} 時間 * @param {len} 長度 * @param {direction} 方向： 1: 前幾天; 2: 后幾天; 3:前后幾天 默認 3 * @return {Array} 數(shù)組 * @example date.getDays('2018-1-29', 6) // -> ["2018-1-26", "2018-1-27", "2018-1-28", "2018-1-29", "2018-1-30", "2018-1-31", "2018-2-1"] */getDays(time, len, diretion) { var tt = new Date(time) var getDay = function(day) { var t = new Date(time) t.setDate(t.getDate() + day) var m = t.getMonth()+1 return t.getFullYear()+'-'+m+'-'+t.getDate() } var arr = [] if (diretion === 1) { for (var i = 1; i <= len; i++) { arr.unshift(getDay(-i)) } }else if(diretion === 2) { for (var i = 1; i <= len; i++) { arr.push(getDay(i)) } }else { for (var i = 1; i <= len; i++) { arr.unshift(getDay(-i)) } arr.push(tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()) for (var i = 1; i <= len; i++) { arr.push(getDay(i)) } } return diretion === 1 ? arr.concat([tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()]) : diretion === 2 ? [tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()].concat(arr) : arr}/** * @param {s} 秒數(shù) * @return {String} 字符串 * @example formatHMS(3610) // -> 1h0m10s */formatHMS (s) { var str = '' if (s > 3600) { str = Math.floor(s/3600)+'h'+Math.floor(s%3600/60)+'m'+s%60+'s' }else if(s > 60) { str = Math.floor(s/60)+'m'+s%60+'s' }else{ str = s%60+'s' } return str}/*獲取某月有多少天*/getMonthOfDay (time) { var date = new Date(time) var year = date.getFullYear() var mouth = date.getMonth() + 1 var days //當月份為二月時，根據(jù)閏年還是非閏年判斷天數(shù) if (mouth == 2) { days = (year%4==0 && year%100==0 && year%400==0) || (year%4==0 && year%100!=0) ? 28 : 29 } else if (mouth == 1 || mouth == 3 || mouth == 5 || mouth == 7 || mouth == 8 || mouth == 10 || mouth == 12) { //月份為：1,3,5,7,8,10,12 時，為大月.則天數(shù)為31； days = 31 } else { //其他月份，天數(shù)為：30. days = 30 } return days}/*獲取某年有多少天*/getYearOfDay (time) { var firstDayYear = this.getFirstDayOfYear(time); var lastDayYear = this.getLastDayOfYear(time); var numSecond = (new Date(lastDayYear).getTime() - new Date(firstDayYear).getTime())/1000; return Math.ceil(numSecond/(24*3600));}/*獲取某年的第一天*/getFirstDayOfYear (time) { var year = new Date(time).getFullYear(); return year + "-01-01 00:00:00";}/*獲取某年最后一天*/getLastDayOfYear (time) { var year = new Date(time).getFullYear(); var dateString = year + "-12-01 00:00:00"; var endDay = this.getMonthOfDay(dateString); return year + "-12-" + endDay + " 23:59:59";}/*獲取某個日期是當年中的第幾天*/getDayOfYear (time) { var firstDayYear = this.getFirstDayOfYear(time); var numSecond = (new Date(time).getTime() - new Date(firstDayYear).getTime())/1000; return Math.ceil(numSecond/(24*3600));}/*獲取某個日期在這一年的第幾周*/getDayOfYearWeek (time) { var numdays = this.getDayOfYear(time); return Math.ceil(numdays / 7);}3. Array
/*判斷一個元素是否在數(shù)組中*/contains (arr, val) { return arr.indexOf(val) != -1 ? true : false;}/** * @param {arr} 數(shù)組 * @param {fn} 回調(diào)函數(shù) * @return {undefined} */each (arr, fn) { fn = fn || Function; var a = []; var args = Array.prototype.slice.call(arguments, 1); for(var i = 0; i < arr.length; i++) { var res = fn.apply(arr, [arr[i], i].concat(args)); if(res != null) a.push(res); }}/** * @param {arr} 數(shù)組 * @param {fn} 回調(diào)函數(shù) * @param {thisObj} this指向 * @return {Array} */map (arr, fn, thisObj) { var scope = thisObj || window; var a = []; for(var i = 0, j = arr.length; i < j; ++i) { var res = fn.call(scope, arr[i], i, this); if(res != null) a.push(res); } return a;}/** * @param {arr} 數(shù)組 * @param {type} 1：從小到大 2：從大到小 3：隨機 * @return {Array} */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; } })}/*去重*/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; } // 注：上面 else 里面的排重并不能區(qū)分 2 和 '2'，但能減少用indexOf帶來的性能,暫時沒找到替代的方法。。。 /* 正確排重 if ( Array.hasOwnProperty('from') ) { return Array.from(new Set(arr)) }else{ var r = [], NaNBol = true for(var i=0; i < arr.length; i++) { if (arr[i] !== arr[i]) { if (NaNBol && r.indexOf(arr[i]) === -1) { r.push(arr[i]) NaNBol = false } }else{ if(r.indexOf(arr[i]) === -1) r.push(arr[i]) } } return r } */}/*求兩個集合的并集*/union (a, b) { var newArr = a.concat(b); return this.unique(newArr);}/*求兩個集合的交集*/intersect (a, b) { var _this = this; a = this.unique(a); return this.map(a, function(o) { return _this.contains(b, o) ? o : null; });}/*刪除其中一個元素*/remove (arr, ele) { var index = arr.indexOf(ele); if(index > -1) { arr.splice(index, 1); } return arr;}/*將類數(shù)組轉(zhuǎn)換為數(shù)組的方法*/formArray (ary) { var arr = []; if(Array.isArray(ary)) { arr = ary; } else { arr = Array.prototype.slice.call(ary); }; return arr;}/*最大值*/max (arr) { return Math.max.apply(null, arr);}/*最小值*/min (arr) { return Math.min.apply(null, arr);}/*求和*/sum (arr) { return arr.reduce( (pre, cur) => { return pre + cur })}/*平均值*/average (arr) { return this.sum(arr)/arr.length}4. String 字符串操作
/** * 去除空格 * @param {str} * @param {type} * type: 1-所有空格 2-前后空格 3-前空格 4-后空格 * @return {String} */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; }}/** * @param {str} * @param {type} * type: 1:首字母大寫 2：首頁母小寫 3：大小寫轉(zhuǎn)換 4：全部大寫 5：全部小寫 * @return {String} */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; }}/* 檢測密碼強度*/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;}/*過濾html代碼(把<>轉(zhuǎn)換)*/filterTag (str) { str = str.replace(/&/ig, "&"); str = str.replace(/</ig, "<"); str = str.replace(/>/ig, ">"); str = str.replace(" ", " "); return str;}5. Number
/*隨機數(shù)范圍*/random (min, max) { if (arguments.length === 2) { return Math.floor(min + Math.random() * ( (max+1) - min )) }else{ return null; }}/*將阿拉伯數(shù)字翻譯成中文的大寫數(shù)字*/numberToChinese (num) { var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十"); var BB = new Array("", "十", "百", "仟", "
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