Javascript总结（全）

说明

　　个人感觉总结得很好忍不住要分享，转载自github地址，作者博客原文发现打不开，于是复制粘贴到此处，如有侵权，请联系本人删除。

Type

class TypeFn {
    isString (o) { //是否字符串
        return Object.prototype.toString.call(o).slice(, -) === 'String'
    }

    isNumber (o) { //是否数字
        return Object.prototype.toString.call(o).slice(, -) === 'Number'
    }

    isBoolean (o) { //是否boolean
        return Object.prototype.toString.call(o).slice(, -) === 'Boolean'
    }

    isFunction (o) { //是否函数
        return Object.prototype.toString.call(o).slice(, -) === 'Function'
    }

    isNull (o) { //是否为null
        return Object.prototype.toString.call(o).slice(, -) === 'Null'
    }

    isUndefined (o) { //是否undefined
        return Object.prototype.toString.call(o).slice(, -) === 'Undefined'
    }

    isObj (o) { //是否对象
        return Object.prototype.toString.call(o).slice(, -) === 'Object'
    }

    isArray (o) { //是否数组
        return Object.prototype.toString.call(o).slice(, -) === 'Array'
    }

    isDate (o) { //是否时间
        return Object.prototype.toString.call(o).slice(, -) === 'Date'
    }

    isRegExp (o) { //是否正则
        return Object.prototype.toString.call(o).slice(, -) === 'RegExp'
    }

    isError (o) { //是否错误对象
        return Object.prototype.toString.call(o).slice(, -) === 'Error'
    }

    isSymbol (o) { //是否Symbol函数
        return Object.prototype.toString.call(o).slice(, -) === 'Symbol'
    }

    isPromise (o) { //是否Promise对象
        return Object.prototype.toString.call(o).slice(, -) === 'Promise'
    }

    isSet (o) { //是否Set对象
        return Object.prototype.toString.call(o).slice(, -) === 'Set'
    }

    isFalse (o) {
        if (o == '' || o == undefined || o == null || o == 'null' || o == 'undefined' || o ==  || o == false || o == NaN) return true
        return false
    }

    isTrue (o) {
        return !this.isFalse(o)
    }

    isIos () {
        var u = navigator.userAgent;
        if (u.indexOf('Android') > - || u.indexOf('Linux') > -) {//安卓手机
            // return "Android";
            return false
        } else if (u.indexOf('iPhone') > -) {//苹果手机
            // return "iPhone";
            return true
        } else if (u.indexOf('iPad') > -) {//iPad
            // return "iPad";
            return false
        } else if (u.indexOf('Windows Phone') > -) {//winphone手机
            // return "Windows Phone";
            return false
        }else{
            return false
        }
    }

    isPC () { //是否为PC端
        var userAgentInfo = navigator.userAgent;
        var Agents = ["Android", "iPhone",
                    "SymbianOS", "Windows Phone",
                    "iPad", "iPod"];
        var flag = true;
        for (var v = ; v < Agents.length; v++) {
            if (userAgentInfo.indexOf(Agents[v]) > ) {
                flag = false;
                break;
            }
        }
        return flag;
    }

    browserType(){
        var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
        var isOpera = userAgent.indexOf("Opera") > -; //判断是否Opera浏览器
        var isIE = userAgent.indexOf("compatible") > - && userAgent.indexOf("MSIE") > - && !isOpera; //判断是否IE浏览器
        var isIE11 = userAgent.indexOf('Trident') > - && userAgent.indexOf("rv:11.0") > -;
        var isEdge = userAgent.indexOf("Edge") > - && !isIE; //判断是否IE的Edge浏览器
        var isFF = userAgent.indexOf("Firefox") > -; //判断是否Firefox浏览器
        var isSafari = userAgent.indexOf("Safari") > - && userAgent.indexOf("Chrome") == -; //判断是否Safari浏览器
        var isChrome = userAgent.indexOf("Chrome") > - && userAgent.indexOf("Safari") > -; //判断Chrome浏览器

        if (isIE) {
            var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
            reIE.test(userAgent);
            var fIEVersion = parseFloat(RegExp["$1"]);
            if(fIEVersion == ) return "IE7"
            else if(fIEVersion == ) return "IE8";
            else if(fIEVersion == ) return "IE9";
            else if(fIEVersion == ) return "IE10";
            else return "IE7以下"//IE版本过低
        }
        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':   //手机号码
                return /^[|||||][-]{}$/.test(str);
            case 'tel':     //座机
                return /^(\d{,}-\d{,})(-\d{,})?$/.test(str);
            case 'card':    //身份证
                return /(^\d{}$)|(^\d{}$)|(^\d{}(\d|X|x)$)/.test(str);
            case 'pwd':     //密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线
                return /^[a-zA-Z]\w{,}$/.test(str)
            case 'postal':  //邮政编码
                return /[-]\d{}(?!\d)/.test(str);
            case 'QQ':      //QQ号
                return /^[-][-]{,}$/.test(str);
            case 'email':   //邮箱
                return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
            case 'money':   //金额(小数点2位)
                return /^\d*(?:\.\d{,})?$/.test(str);
            case 'URL':     //网址
                return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
            case 'IP':      //IP
                return /((?:(?:[-]|[-]\\d|[]?\\d?\\d)\\.){}(?:[-]|[-]\\d|[]?\\d?\\d))/.test(str);
            case 'date':    //日期时间
                return /^(\d{})\-(\d{})\-(\d{}) (\d{})(?:\:\d{}|:(\d{}):(\d{}))$/.test(str) || /^(\d{})\-(\d{})\-(\d{})$/.test(str)
            case 'number':  //数字
                return /^[-]$/.test(str);
            case 'english': //英文
                return /^[a-zA-Z]+$/.test(str);
            case 'chinese': //中文
                return /^[\u4E00-\u9FA5]+$/.test(str);
            case 'lower':   //小写
                return /^[a-z]+$/.test(str);
            case 'upper':   //大写
                return /^[A-Z]+$/.test(str);
            case 'HTML':    //HTML标记
                return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
            default:
                return true;
        }
    }

    // 严格的身份证校验
    isCardID(sId) {
        if (!/(^\d{}$)|(^\d{}(\d|X|x)$)/.test(sId)) {
            alert('你输入的身份证长度或格式错误')
            return false
        }
        //身份证城市
        var aCity={:"北京",:"天津",:"河北",:"山西",:"内蒙古",:"辽宁",:"吉林",:"黑龙江",:"上海",:"江苏",:"浙江",:"安徽",:"福建",:"江西",:"山东",:"河南",:"湖北",:"湖南",:"广东",:"广西",:"海南",:"重庆",:"四川",:"贵州",:"云南",:"西藏",:"陕西",:"甘肃",:"青海",:"宁夏",:"新疆",:"台湾",:"香港",:"澳门",:"国外"};
        if(!aCity[parseInt(sId.substr(,))]) {
            alert('你的身份证地区非法')
            return false
        }

        // 出生日期验证
        var sBirthday=(sId.substr(,)+"-"+Number(sId.substr(,))+"-"+Number(sId.substr(,))).replace(/-/g,"/"),
            d = new Date(sBirthday)
        if(sBirthday != (d.getFullYear()+"/"+ (d.getMonth()+) + "/" + d.getDate())) {
            alert('身份证上的出生日期非法')
            return false
        }

        // 身份证号码校验
        var sum = ,
            weights =  [, , , , , , , , , , , , , , , , ],
            codes = "10X98765432"
        for (var i = ; i < sId.length - ; i++) {
            sum += sId[i] * weights[i];
        }
        var last = codes[sum % ]; //计算出来的最后一位身份证号码
        if (sId[sId.length-] != last) {
            alert('你输入的身份证号非法')
            return false
        }

        return true
    }
}

Array

class ArrayFn {
    /*判断一个元素是否在数组中*/
    contains (arr, val) {
        return arr.indexOf(val) != - ? true : false;
    }

    /**
     * @param  {arr} 数组
     * @param  {fn} 回调函数
     * @return {undefined}
     */
    each (arr, fn) {
        fn = fn || Function;
        var a = [];
        var args = Array.prototype.slice.call(arguments, );
        for(var i = ; i < arr.length; i++) {
            var res = fn.apply(arr, [arr[i], i].concat(args));
            if(res != null) a.push(res);
        }
    }

    /**
     * @param  {arr} 数组
     * @param  {fn} 回调函数
     * @param  {thisObj} this指向
     * @return {Array}
     */
    map (arr, fn, thisObj) {
        var scope = thisObj || window;
        var a = [];
        for(var i = , 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} 数组
     * @param  {type} 1：从小到大   2：从大到小   3：随机
     * @return {Array}
     */
    sort (arr, type = ) {
        return arr.sort( (a, b) => {
            switch(type) {
                case :
                    return a - b;
                case :
                    return b - a;
                case :
                    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 = ; i < arr.length; i++){
                if (!n[arr[i]]){
                    n[arr[i]] = true;
                    r.push(arr[i]);
                }
            }
            return r;
        }
        // 注：上面 else 里面的排重并不能区分 2 和 '2'，但能减少用indexOf带来的性能
        /* 正确排重
        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
        }

         */
    }

    /*求两个集合的并集*/
    union (a, b) {
        var newArr = a.concat(b);
        return this.unique(newArr);
    }

    /*求两个集合的交集*/
    intersect (a, b) {
        var _this = this;
        a = this.unique(a);
        return this.map(a, function(o) {
            return _this.contains(b, o) ? o : null;
        });
    }

    /*删除其中一个元素*/
    remove (arr, ele) {
        var index = arr.indexOf(ele);
        if(index > -) {
            arr.splice(index, );
        }
        return arr;
    }

    /*将类数组转换为数组的方法*/
    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
    }
}

Dom

class DomFn {

    $ (selector){
        var type = selector.substring(, );
        if (type === '#') {
            if (document.querySelecotor) return document.querySelector(selector)
                return document.getElementById(selector.substring())

        }else if (type === '.') {
            if (document.querySelecotorAll) return document.querySelectorAll(selector)
                return document.getElementsByClassName(selector.substring())
        }else{
            return document['querySelectorAll' ? 'querySelectorAll':'getElementsByTagName'](selector)
        }
    } 

    /*检测类名*/
    hasClass (ele, name) {
        return ele.className.match(new RegExp('(\\s|^)' + name + '(\\s|$)'));
    }

    /*添加类名*/
    addClass (ele, name) {
        if (!this.hasClass(ele, name)) ele.className += " " + name;
    }

    /*删除类名*/
    removeClass (ele, name) {
        if (this.hasClass(ele, name)) {
            var reg = new RegExp('(\\s|^)' + name + '(\\s|$)');
            ele.className = ele.className.replace(reg, '');
        }
    }

    /*替换类名*/
    replaceClass (ele, newName, oldName) {
        this.removeClass(ele, oldName);
        this.addClass(ele, newName);
    }

    /*获取兄弟节点*/
    siblings (ele) {
        console.log(ele.parentNode)
        var chid = ele.parentNode.children,eleMatch = [];
        for(var i = , len = chid.length; i < len; i ++){
            if(chid[i] != ele){
                eleMatch.push(chid[i]);
            }
        }
        return eleMatch;
    }

    /*获取行间样式属性*/
    getByStyle (obj,name){
        if(obj.currentStyle){
            return  obj.currentStyle[name];
        }else{
            return  getComputedStyle(obj,false)[name];
        }
    }
}

Http

/*
    let url = 'http://demo.com/api'
    例:
        ajax({
            url: url,
            success: function(data) {

            }
        })
*/
function ajax(setting){
    //设置参数的初始值
    var opts={
        method: (setting.method || "GET").toUpperCase(), //请求方式
        url: setting.url || "", // 请求地址
        async: setting.async || true, // 是否异步
        dataType: setting.dataType || "json", // 解析方式
        data: setting.data || "", // 参数
        success: setting.success || function(){}, // 请求成功回调
        error: setting.error || function(){} // 请求失败回调
    }

    // 参数格式化
    function params_format (obj) {
        var str = ''
        for (var i in obj) {
            str += i + '=' + obj[i] + '&'
        }
        return str.split('').slice(, -).join('')
    }

    // 创建ajax对象
    var xhr=new XMLHttpRequest();

    // 连接服务器open(方法GET/POST，请求地址， 异步传输)
    if(opts.method == 'GET'){
        xhr.open(opts.method, opts.url + "?" + params_format(opts.data), opts.async);
        xhr.send();
    }else{
        xhr.open(opts.method, opts.url, opts.async);
        xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
        xhr.send(opts.data);
    }

    /*
    ** 每当readyState改变时，就会触发onreadystatechange事件
    ** readyState属性存储有XMLHttpRequest的状态信息
    ** 0 ：请求未初始化
    ** 1 ：服务器连接已建立
    ** 2 ：请求已接受
    ** 3 : 请求处理中
    ** 4 ：请求已完成，且相应就绪
    */
    xhr.onreadystatechange = function() {
        if (xhr.readyState ===  && (xhr.status ===  || xhr.status === )) {
            switch(opts.dataType){
                case "json":
                    var json = JSON.parse(xhr.responseText);
                    opts.success(json);
                    break;
                case "xml":
                    opts.success(xhr.responseXML);
                    break;
                default:
                    opts.success(xhr.responseText);
                    break;
            }
        }
    }

    xhr.onerror = function(err) {
        opts.error(err);
    }
}

/*
    let url = 'http://demo.com/api'
    例:
        fetchHttp(url).
            then( res => {
                console.log(res)
            }).catch( e => {
                console.log(e)
            })
        fetchHttp(url, {
            method: 'POST',

        })
*/
function fetchHttp(url, setting = {}) {
    //设置参数的初始值
    let opts={
        method: (setting.method || 'GET').toUpperCase(), //请求方式
        headers : setting.headers  || {}, // 请求头设置
        credentials : setting.credentials  || true, // 设置cookie是否一起发送
        body: setting.body || {},
        mode : setting.mode  || 'cors', // 可以设置 cors, no-cors, same-origin
        redirect : setting.redirect  || 'follow', // follow, error, manual
        cache : setting.cache  || 'default' // 设置 cache 模式 (default, reload, no-cache)
    }
    let dataType = setting.dataType || "json", // 解析方式
        data = setting.data || "" // 参数

    // 参数格式化
    function params_format (obj) {
        var str = ''
        for (var i in obj) {
            str += `${i}=${obj[i]}&`
        }
        return str.split('').slice(, -).join('')
    }

    if (opts.method === 'GET') {
        url = url + (data?`?${params_format(data)}`:'')
    }else{
        setting.body = data || {}
    }
    return new Promise( (resolve, reject) => {
        fetch(url, opts).then( async res => {
            let data = dataType === 'text' ? await res.text() :
                dataType === 'blob' ? await res.blob() : await res.json()
            resolve(data)
        }).catch( e => {
            reject(e)
        })
    })
}

Number

class NumberFn {

    /*随机数范围*/
    random (min, max) {
        if (arguments.length === ) {
            return Math.floor(min + Math.random() * ( (max+) - min ))
        }else{
            return null;
        }

    }

    /*将阿拉伯数字翻译成中文的大写数字*/
    numberToChinese (num) {
        var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十");
        var BB = new Array("", "十", "百", "仟", "萬", "億", "点", "");
        var a = ("" + num).replace(/(^*)/g, "").split("."),
            k = ,
            re = "";
        for(var i = a[].length - ; i >= ; i--) {
            switch(k) {
                case :
                    re = BB[] + re;
                    break;
                case :
                    if(!new RegExp("0{4}//d{" + (a[].length - i - ) + "}$")
                        .test(a[]))
                        re = BB[] + re;
                    break;
                case :
                    re = BB[] + re;
                    BB[] = BB[];
                    k = ;
                    break;
            }
            if(k %  ==  && a[].charAt(i + ) !=  && a[].charAt(i + ) == )
                re = AA[] + re;
            if(a[].charAt(i) != )
                re = AA[a[].charAt(i)] + BB[k % ] + re;
            k++;
        }

        if(a.length > ) // 加上小数部分(如果有小数部分)
        {
            re += BB[];
            for(var i = ; i < a[].length; i++)
                re += AA[a[].charAt(i)];
        }
        if(re == '一十')
            re = "十";
        if(re.match(/^一/) && re.length == )
            re = re.replace("一", "");
        return re;
    }

    /*将数字转换为大写金额*/
    changeToChinese (Num) {
            //判断如果传递进来的不是字符的话转换为字符
            if(typeof Num == "number") {
                Num = new String(Num);
            };
            Num = Num.replace(/,/g, "") //替换tomoney()中的“,”
            Num = Num.replace(/ /g, "") //替换tomoney()中的空格
            Num = Num.replace(/￥/g, "") //替换掉可能出现的￥字符
            if(isNaN(Num)) { //验证输入的字符是否为数字
                //alert("请检查小写金额是否正确");
                return "";
            };
            //字符处理完毕后开始转换，采用前后两部分分别转换
            var part = String(Num).split(".");
            var newchar = "";
            //小数点前进行转化
            for(var i = part[].length - ; i >= ; i--) {
                if(part[].length > ) {
                    return "";
                    //若数量超过拾亿单位，提示
                }
                var tmpnewchar = ""
                var perchar = part[].charAt(i);
                switch(perchar) {
                    case "":
                        tmpnewchar = "零" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "壹" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "贰" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "叁" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "肆" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "伍" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "陆" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "柒" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "捌" + tmpnewchar;
                        break;
                    case "":
                        tmpnewchar = "玖" + tmpnewchar;
                        break;
                }
                switch(part[].length - i - ) {
                    case :
                        tmpnewchar = tmpnewchar + "元";
                        break;
                    case :
                        if(perchar != ) tmpnewchar = tmpnewchar + "拾";
                        break;
                    case :
                        if(perchar != ) tmpnewchar = tmpnewchar + "佰";
                        break;
                    case :
                        if(perchar != ) tmpnewchar = tmpnewchar + "仟";
                        break;
                    case :
                        tmpnewchar = tmpnewchar + "万";
                        break;
                    case :
                        if(perchar != ) tmpnewchar = tmpnewchar + "拾";
                        break;
                    case :
                        if(perchar != ) tmpnewchar = tmpnewchar + "佰";
                        break;
                    case :
                        if(perchar != ) tmpnewchar = tmpnewchar + "仟";
                        break;
                    case :
                        tmpnewchar = tmpnewchar + "亿";
                        break;
                    case :
                        tmpnewchar = tmpnewchar + "拾";
                        break;
                }
                var newchar = tmpnewchar + newchar;
            }
            //小数点之后进行转化
            if(Num.indexOf(".") != -) {
                if(part[].length > ) {
                    // alert("小数点之后只能保留两位,系统将自动截断");
                    part[] = part[].substr(, )
                }
                for(i = ; i < part[].length; i++) {
                    tmpnewchar = ""
                    perchar = part[].charAt(i)
                    switch(perchar) {
                        case "":
                            tmpnewchar = "零" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "壹" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "贰" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "叁" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "肆" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "伍" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "陆" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "柒" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "捌" + tmpnewchar;
                            break;
                        case "":
                            tmpnewchar = "玖" + tmpnewchar;
                            break;
                    }
                    if(i == ) tmpnewchar = tmpnewchar + "角";
                    if(i == ) tmpnewchar = tmpnewchar + "分";
                    newchar = newchar + tmpnewchar;
                }
            }
            //替换所有无用汉字
            while(newchar.search("零零") != -)
                newchar = newchar.replace("零零", "零");
            newchar = newchar.replace("零亿", "亿");
            newchar = newchar.replace("亿万", "亿");
            newchar = newchar.replace("零万", "万");
            newchar = newchar.replace("零元", "元");
            newchar = newchar.replace("零角", "");
            newchar = newchar.replace("零分", "");
            if(newchar.charAt(newchar.length - ) == "元") {
                newchar = newchar + "整"
            }
            return newchar;
        }

}

String

class StringFn {
    /**
     * 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 ||
        switch (type) {
            case :
                return str.replace(/\s+/g, "");
            case :
                return str.replace(/(^\s*)|(\s*$)/g, "");
            case :
                return str.replace(/(^\s*)/g, "");
            case :
                return str.replace(/(\s*$)/g, "");
            default:
                return str;
        }
    }

    /**
     * @param  {str}
     * @param  {type}
     *       type:  1:首字母大写  2：首页母小写  3：大小写转换  4：全部大写  5：全部小写
     * @return {String}
     */
    changeCase (str, type) {
        type = type ||
        switch (type) {
            case :
                return str.replace(/\b\w+\b/g, function (word) {
                    return word.substring(, ).toUpperCase() + word.substring().toLowerCase();

                });
            case :
                return str.replace(/\b\w+\b/g, function (word) {
                    return word.substring(, ).toLowerCase() + word.substring().toUpperCase();
                });
            case :
                return str.split('').map( function(word){
                    if (/[a-z]/.test(word)) {
                        return word.toUpperCase();
                    }else{
                        return word.toLowerCase()
                    }
                }).join('')
            case :
                return str.toUpperCase();
            case :
                return str.toLowerCase();
            default:
                return str;
        }
    }

    /*
        检测密码强度
    */
    checkPwd (str) {
        var Lv = ;
        if (str.length < ) {
            return Lv
        }
        if (/[-]/.test(str)) {
            Lv++
        }
        if (/[a-z]/.test(str)) {
            Lv++
        }
        if (/[A-Z]/.test(str)) {
            Lv++
        }
        if (/[\.|-|_]/.test(str)) {
            Lv++
        }
        return Lv;
    }

    /*过滤html代码(把<>转换)*/
    filterTag (str) {
        str = str.replace(/&/ig, "&amp;");
        str = str.replace(/</ig, "&lt;");
        str = str.replace(/>/ig, "&gt;");
        str = str.replace(" ", "&nbsp;");
        return str;
    }
}

Storage、cookie

class StorageFn {
    constructor () {
        this.ls = window.localStorage;
        this.ss = window.sessionStorage;
    }

    /*-----------------cookie---------------------*/
    /*设置cookie*/
    setCookie (name, value, day) {
        var setting = arguments[];
        if (Object.prototype.toString.call(setting).slice(, -) === 'Object'){
            for (var i in setting) {
                var oDate = new Date();
                oDate.setDate(oDate.getDate() + day);
                document.cookie = i + '=' + setting[i] + ';expires=' + oDate;
            }
        }else{
            var oDate = new Date();
            oDate.setDate(oDate.getDate() + day);
            document.cookie = name + '=' + value + ';expires=' + oDate;
        }

    }

    /*获取cookie*/
    getCookie (name) {
        var arr = document.cookie.split('; ');
        for (var i = ; i < arr.length; i++) {
            var arr2 = arr[i].split('=');
            if (arr2[] == name) {
                return arr2[];
            }
        }
        return '';
    }

    /*删除cookie*/
    removeCookie (name) {
        this.setCookie(name, , -);
    }

    /*-----------------localStorage---------------------*/
    /*设置localStorage*/
    setLocal(key, val) {
        var setting = arguments[];
        if (Object.prototype.toString.call(setting).slice(, -) === 'Object'){
            for(var i in setting){
                this.ls.setItem(i, JSON.stringify(setting[i]))
            }
        }else{
            this.ls.setItem(key, JSON.stringify(val))
        }

    }

    /*获取localStorage*/
    getLocal(key) {
        if (key) return JSON.parse(this.ls.getItem(key))
        return null;

    }

    /*移除localStorage*/
    removeLocal(key) {
        this.ls.removeItem(key)
    }

    /*移除所有localStorage*/
    clearLocal() {
        this.ls.clear()
    }

    /*-----------------sessionStorage---------------------*/
    /*设置sessionStorage*/
    setSession(key, val) {
        var setting = arguments[];
        if (Object.prototype.toString.call(setting).slice(, -) === 'Object'){
            for(var i in setting){
                this.ss.setItem(i, JSON.stringify(setting[i]))
            }
        }else{
            this.ss.setItem(key, JSON.stringify(val))
        }

    }

    /*获取sessionStorage*/
    getSession(key) {
        if (key) return JSON.parse(this.ss.getItem(key))
        return null;

    }

    /*移除sessionStorage*/
    removeSession(key) {
        this.ss.removeItem(key)
    }

    /*移除所有sessionStorage*/
    clearSession() {
        this.ss.clear()
    }

}

Others

class OtherFn {

    /**
     * [deepClone 深度克隆]
     * @param  {[type]} obj [克隆对象]
     * @return {[type]}     [返回深度克隆后的对象]
     */
    deepClone (obj) {
        if (obj === null || typeof obj !== 'object') return obj
        var isType = function(obj, type) {
            var flag,
                typeString = Object.prototype.toString.call(obj)
            switch(type) {
                case 'Array':
                    flag = typeString === '[object Array]'
                    break
                case 'Date':
                    flag = typeString === '[object Date]'
                    break
                case 'RegExp':
                    flag = typeString === '[object RegExp]'
                    break
                default:
                    flag = false
            }
            return flag
        }
        var getRegExp = function(re) {
            var flags = ''
            if (re.global) flags += 'g'
            if (re.ignoreCase) flags += 'i'
            if (re.multiline) flags += 'm'
            return flags
        }

        var _clone = function(parent) {
            var child, proto, parents = [], children = []
            if (isType(parent, 'Array')) {// 对数组做特殊处理
                child = [];
            } else if (isType(parent, 'RegExp')) {// 对正则做特殊处理
                child = new RegExp(parent.source, getRegExp(parent));
                if (parent.lastIndex) child.lastIndex = parent.lastIndex;
            } else if (isType(parent, 'Date')) {// 对Date做特殊处理
                child = new Date(parent.getTime());
            } else {
                // 处理对象原型
                proto = Object.getPrototypeOf(parent);
                // 利用Object.create切断原型链
                child = Object.create(proto);
            }
            // 处理循环引用
            var index = parents.indexOf(parent);

            if (index != -) {
                // 如果父数组存在本对象,说明之前已经被引用过,直接返回此对象
                return children[index];
            }
            parents.push(parent);
            children.push(child);

            for (var i in parent) {
                child[i] = _clone(parent[i]);
            }

            return child;
        }
        return _clone(obj)
    }

    /*获取网址参数*/
    getUrlParams(name){
        var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
        var r = decodeURI(window.location.search).substr().match(reg);
        if(r!=null) return  r[]; return null;
    }

    /*获取全部url参数,并转换成json对象*/
    getUrlAllParams (url) {
        var url = url ? url : window.location.href;
        var _pa = url.substring(url.indexOf('?') + ),
            _arrS = _pa.split('&'),
            _rs = {};
        for (var i = , _len = _arrS.length; i < _len; i++) {
            var pos = _arrS[i].indexOf('=');
            if (pos == -) {
                continue;
            }
            var name = _arrS[i].substring(, pos),
                value = window.decodeURIComponent(_arrS[i].substring(pos + ));
            _rs[name] = value;
        }
        return _rs;
    }

    /*删除url指定参数，返回url*/
    delParamsUrl(url, name){
        var baseUrl = url.split('?')[] + '?';
        var query = url.split('?')[];
        if (query.indexOf(name)>-) {
            var obj = {}
            var arr = query.split("&");
            for (var i = ; i < arr.length; i++) {
                arr[i] = arr[i].split("=");
                obj[arr[i][]] = arr[i][];
            };
            delete obj[name];
            var url = baseUrl + JSON.stringify(obj).replace(/[\"\{\}]/g,"").replace(/\:/g,"=").replace(/\,/g,"&");
            return url
        }else{
            return url;
        }
    }

    /*获取十六进制随机颜色*/
    getRandomColor () {
        return '#' + (function(h) {
            return new Array( - h.length).join("") + h;
        })((Math.random() * 0x1000000 << ).toString());
    }

    /*图片加载*/
    imgLoadAll(arr,callback){
        var arrImg = [];
        for (var i = ; i < arr.length; i++) {
            var img = new Image();
            img.src = arr[i];
            img.onload = function(){
                arrImg.push(this);
                if (arrImg.length == arr.length) {
                    callback && callback();
                }
            }
        }
    }

    /*音频加载*/
    loadAudio(src, callback) {
        var audio = new Audio(src);
        audio.onloadedmetadata = callback;
        audio.src = src;
    }

    /*DOM转字符串*/
    domToStirng(htmlDOM){
        var div= document.createElement("div");
        div.appendChild(htmlDOM);
        return div.innerHTML
    }

    /*字符串转DOM*/
    stringToDom(htmlString){
        var div= document.createElement("div");
        div.innerHTML=htmlString;
        return div.children[];
    }

    /**
     * 光标所在位置插入字符，并设置光标位置
     *
     * @param {dom} 输入框
     * @param {val} 插入的值
     * @param {posLen} 光标位置处在 插入的值的哪个位置
     */
    setCursorPosition (dom,val,posLen) {
        var cursorPosition = ;
        if(dom.selectionStart){
            cursorPosition = dom.selectionStart;
        }
        this.insertAtCursor(dom,val);
        dom.focus();
        console.log(posLen)
        dom.setSelectionRange(dom.value.length,cursorPosition + (posLen || val.length));
    }

    /*光标所在位置插入字符*/
    insertAtCursor(dom, val) {
        if (document.selection){
            dom.focus();
            sel = document.selection.createRange();
            sel.text = val;
            sel.select();
        }else if (dom.selectionStart || dom.selectionStart == ''){
            let startPos = dom.selectionStart;
            let endPos = dom.selectionEnd;
            let restoreTop = dom.scrollTop;
            dom.value = dom.value.substring(, startPos) + val + dom.value.substring(endPos, dom.value.length);
            if (restoreTop > ){
                dom.scrollTop = restoreTop;
            }
            dom.focus();
            dom.selectionStart = startPos + val.length;
            dom.selectionEnd = startPos + val.length;
        } else {
            dom.value += val;
            dom.focus();
        }
    }
}