前端常用的工具方法(二)

//13.是否是微信浏览器
        function isWeiXin() {
            var ua = navigator.userAgent.toLowerCase();
            return ua.match(/microMessenger/i) == 'micromessenger'
        }
        var weixin = isWeiXin();
        console.log(weixin);//false
        //14.是否是移动端
        function isDeviceMobile() {
            var ua = navigator.userAgent.toLowerCase();
            return /android|webos|iphone|ipod|balckberry/i.test(ua)
        }
        var deviceMobile = isDeviceMobile();
        console.log(deviceMobile);//false,当浏览器调为手机端时为true
        //15.是否为QQ浏览器
        function isQQBrower() {
            var ua = navigator.userAgent.toLowerCase();
            return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
        }
        var QQBrower = isQQBrower();
        console.log(QQBrower);//在谷歌上打开为false,在QQBrower打开为true
        //16.是否为ios
        function isIos() {
            var ua = 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
            }
        }
        //17.是否为PC端
        function 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;
        }
        var PC = isPC();
        console.log(PC);//true,在手机模拟器上为false
        //18.获取url参数
        function getUrl(url) {
            var theRequest = new Object();
            if (url.indexOf("?") != -1) {
                var str = url.substr(1); //substr()方法返回从参数值开始到结束的字符串;  
                var strs = str.split("&");
                for (var i = 0; i < strs.length; i++) {
                    theRequest[strs[i].split("=")[0]] = (strs[i].split("=")[1]);
                }

            }
            return theRequest
        }
        var result = getUrl('https://c.y.qq.com/soso/fcgi-bin/client_search_cp?aggr=1&cr=1&flag_qc=0&p=1&n=30&w=简单爱');
        console.log(result)//Object {ttps://c.y.qq.com/soso/fcgi-bin/client_search_cp?aggr: "1", cr:  "1", flag_qc: "0", p: "1", n: "30"…}
        //19.动态引入js
        function 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);
        }
        //20.洗牌算法随机
        function 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;
        }
        var res = shuffle([1, 6, 3, 5, 67, 23, 56, 44]);
        console.log(res);//[56, 23, 44, 3, 67, 6, 5, 1]
        //21.判断类型集合
        function checkStr(str, type) {
            switch (type) {
                case 'phone':   //手机号码
                    return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);
                case 'tel':     //座机
                    return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
                case 'card':    //身份证
                    return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);
                case 'pwd':     //密码以字母开头,长度在6~18之间,只能包含字母、数字和下划线
                    return /^[a-zA-Z]\w{5,17}$/.test(str)
                case 'postal':  //邮政编码
                    return /[1-9]\d{5}(?!\d)/.test(str);
                case 'QQ':      //QQ号
                    return /^[1-9][0-9]{4,9}$/.test(str);
                case 'email':   //邮箱
                    return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
                case 'money':   //金额(小数点2位)
                    return /^\d*(?:\.\d{0,2})?$/.test(str);
                case 'URL':     //网址
                    return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
                case 'IP':      //IP
                    return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
                case 'date':    //日期时间
                    return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
                case 'number':  //数字
                    return /^[0-9]$/.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;
            }
        }
        //22.严格的身份证校验
        function isCardId(sId) {
            if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
                console.log('你输入的身份证长度或格式错误')
                return false
            }
            //身份证城市
            var aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外" };
            if (!aCity[parseInt(sId.substr(0, 2))]) {
                console.log('你的身份证地区非法')
                return false
            }

            // 出生日期验证
            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('身份证上的出生日期非法')
                return false
            }

            // 身份证号码校验
            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]; //计算出来的最后一位身份证号码
            if (sId[sId.length - 1] != last) {
                console.log('你输入的身份证号非法')
                return false
            }

            return true
        }
        var id = isCardId('440180199706201763');
        console.log(id)//你输入的身份证号非法,false

你可能感兴趣的:(JavaScript)