More than 60 tools are commonly used in Vue

Time：2021-12-22

1. Mailbox

export const isEmail = (s) => {
    return /^([a-zA-Z0-9_-])[email protected]([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}

2. Mobile phone number

export const isMobile = (s) => {
    return /^1[0-9]{10}$/.test(s)
}

3. Telephone number

export const isPhone = (s) => {
    return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
}

4. URL address

export const isURL = (s) => {
    return /^http[s]?:\/\/.*/.test(s)
}

5. String

export const isString = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'String'
}

6. Are there any numbers

export const isNumber = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
}

7. Boolean

export const isBoolean = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
}

8. Function

export const isFunction = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
}

9. Is it null

export const isNull = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
}

10. Is it undefined

export const isUndefined = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
}

11. Object

export const isObj = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
}

12. Array

export const isArray = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
}

13. Whether the time

export const isDate = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
}

14. Regular

export const isRegExp = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
}

15. Wrong object

export const isError = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
}

16. Symbol function

export const isSymbol = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
}

17. Promise object

export const isPromise = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
}

18. Set object

export const isSet = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
}
export const ua = navigator.userAgent.toLowerCase();

19. Is it a wechat browser

export const isWeiXin = () => {
    return ua.match(/microMessenger/i) == 'micromessenger'
}

20. Is it a mobile terminal

export const isDeviceMobile = () => {
    return /android|webos|iphone|ipod|balckberry/i.test(ua)
}

21. Is it a QQ browser

export const isQQBrowser = () => {
    return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
}

22. Is it a reptile

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. Is it IOS

export const isIos = () => {
    var u = navigator.userAgent;
    If (u.indexof ('android ') > - 1 | u.indexof ('linux') > - 1) {// Android phone
        return false
    }Else if (u.indexof ('iPhone ') > - 1) {// Apple phone
        return true
    } else if (u.indexOf('iPad') > -1) {//iPad
        return false
    }Else if (u.indexof ('windows phone ') > - 1) {// winphone phone phone
        return false
    } else {
        return false
    }
}

24. Is it PC terminal

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. Remove HTML tags

export const removeHtmltag = (str) => {
    return str.replace(/<[^>]+>/g, '')
}

26. Get URL parameters

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. Dynamic introduction of 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. Download according to the URL address

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. Does El contain a class

export const hasClass = (el, className) => {
    let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
    return reg.test(el.className)
}

30.el add a 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 remove a 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. Obtain the coordinates of the scroll

export const getScrollPosition = (el = window) => ({
    x: el.pageXOffset !== undefined ? el.pageXOffset : el.scrollLeft,
    y: el.pageYOffset !== undefined ? el.pageYOffset : el.scrollTop
});

33. Scroll to top

export const scrollToTop = () => {
    const c = document.documentElement.scrollTop || document.body.scrollTop;
    if (c > 0) {
        window.requestAnimationFrame(scrollToTop);
        window.scrollTo(0, c - c / 8);
    }
}

34. Is El within the viewport

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. Shuffle algorithm random

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. Intercepting adhesive board

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. Judgment type set

export const checkStr = (str, type) => {
    switch (type) {
        Case 'phone': // phone number
            return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);
        Case 'Tel': // landline
            return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
        Case 'card': // ID card
            return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);
        Case 'PWD': // the password starts with a letter and is between 6 and 18 in length. It can only contain letters, numbers and underscores
            return /^[a-zA-Z]\w{5,17}$/.test(str)
        Case 'postal': // postal code
            return /[1-9]\d{5}(?!\d)/.test(str);
        Case 'QQ': // QQ No
            return /^[1-9][0-9]{4,9}$/.test(str);
        Case 'email': // mailbox
            return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
        Case 'money': // amount (2 decimal places)
            return /^\d*(?:\.\d{0,2})?$/.test(str);
        Case 'URL': // Web address
            return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
        case 'IP':      //IP
            return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
        Case 'date': // date and time
            return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
        Case 'number': // number
            return /^[0-9]$/.test(str);
        Case 'English': // English
            return /^[a-zA-Z]+$/.test(str);
        Case 'Chinese': // Chinese
            return /^[\\u4E00-\\u9FA5]+$/.test(str);
        Case 'lower': // lower case
            return /^[a-z]+$/.test(str);
        Case 'upper': // upper case
            return /^[A-Z]+$/.test(str);
        Case 'HTML': // HTML tag
            return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
        default:
            return true;
    }
}

38. Strict ID verification

export const isCardID = (sId) => {
    if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
        console. Log ('the length or format of the ID card you entered is incorrect ')
        return false
    }
    //ID card City
    Var acity = {11: "Beijing", 12: "Tianjin", 13: "Hebei", 14: "Shanxi", 15: "Inner Mongolia", 21: "Liaoning", 22: "Jilin", 23: "Heilongjiang", 31: "Shanghai", 32: "Jiangsu", 33: "Zhejiang", 34: "Anhui", 35: "Fujian", 36: "Jiangxi", 37: "Shandong", 41: "Henan", 42: "Hubei", 43: "Hunan", 44: "Guangdong", 45: "Guangxi", 46: "Hainan", 50: "Chongqing", 51: "Sichuan", 52: "Guizhou", 53: "Yunnan", 54: "Tibet", 61: "Shaanxi", 62: "Gansu", 63: "Qinghai", 64: "Ningxia", 65: "Xinjiang", 71: "Taiwan", 81: "Hong Kong", 82: "Macao", 91: "foreign"};
    if (!aCity[parseInt(sId.substr(0, 2))]) {
        console. Log ('your ID card area is illegal ')
        return false
    }

    //Date of birth verification
    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 ('illegal birth date on ID card ')
        return false
    }

    // ID number verification
    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]; // The last ID number calculated.
    if (sId[sId.length - 1] != last) {
        console. Log ("you enter the ID number illegal")
        return false
    }

    return true
}

39. Random number range

export const random = (min, max) => {
    if (arguments.length === 2) {
        return Math.floor(min + Math.random() * ((max + 1) - min))
    } else {
        return null;
    }
}

40. Translate Arabic numerals into Chinese capital numerals

export const numberToChinese = (num) => {
    Var AA = new array ("zero", "one", "two", "three", "four", "Five", "six", "seven", "eight", "Nine", "ten");
    Var BB = new array ("", "ten", "hundred", "thousand", "ten thousand", "hundred million", "point", "");
    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) // add the decimal part (if any)
    {
        re += BB[6];
        for (var i = 0; i < a[1].length; i++)
            re += AA[a[1].charAt(i)];
    }
    If (re = = 'Ten')
        Re = "ten";
    If (re. Match) & & re length == 3)
        re = re. Replace ("one", "");
    return re;
}

41. Convert figures to words

export const changeToChinese = (Num) => {
    //Judge if the passed in is not a character, convert it to a character
    if (typeof Num == "number") {
        Num = new String(Num);
    };
    Num = num.replace (/, / g, "") // replace "," in tomoney()
    Num = num.replace (// g, "") // replace spaces in tomoney()
    Num = num.replace (/ ￥ / g, "") // replace the possible ￥ characters
    If (IsNaN (Num)) {// verify that the entered character is a number
        //Alert ("please check whether the amount in figures is correct");
        return "";
    };
    //The conversion starts after the character processing, and the front and rear parts are used for conversion respectively
    var part = String(Num).split(".");
    var newchar = "";
    //Convert before decimal point
    for (var i = part[0].length - 1; i >= 0; i--) {
        if (part[0].length > 10) {
            return "";
            //If the quantity exceeds one billion units, prompt
        }
        var tmpnewchar = ""
        var perchar = part[0].charAt(i);
        switch (perchar) {
            case "0":
                Tmpnewchar = "zero" + tmpnewchar;
                break;
            case "1":
                Tmpnewchar = "one" + tmpnewchar;
                break;
            case "2":
                Tmpnewchar = "two" + tmpnewchar;
                break;
            case "3":
                Tmpnewchar = "three" + tmpnewchar;
                break;
            case "4":
                Tmpnewchar = "four" + tmpnewchar;
                break;
            case "5":
                Tmpnewchar = "Five" + tmpnewchar;
                break;
            case "6":
                Tmpnewchar = "land" + tmpnewchar;
                break;
            case "7":
                Tmpnewchar = "seven" + tmpnewchar;
                break;
            case "8":
                Tmpnewchar = "eight" + tmpnewchar;
                break;
            case "9":
                Tmpnewchar = "Nine" + tmpnewchar;
                break;
        }
        switch (part[0].length - i - 1) {
            case 0:
                Tmpnewchar = tmpnewchar + "Yuan";
                break;
            case 1:
                If (perchar! = 0) tmpnewchar = tmpnewchar + "pick";
                break;
            case 2:
                If (perchar! = 0) tmpnewchar = tmpnewchar + "Bai";
                break;
            case 3:
                If (perchar! = 0) tmpnewchar = tmpnewchar + "thousand";
                break;
            case 4:
                Tmpnewchar = tmpnewchar + "ten thousand";
                break;
            case 5:
                If (perchar! = 0) tmpnewchar = tmpnewchar + "pick";
                break;
            case 6:
                If (perchar! = 0) tmpnewchar = tmpnewchar + "Bai";
                break;
            case 7:
                If (perchar! = 0) tmpnewchar = tmpnewchar + "thousand";
                break;
            case 8:
                Tmpnewchar = tmpnewchar + "100 million";
                break;
            case 9:
                Tmpnewchar = tmpnewchar + "ten";
                break;
        }
        var newchar = tmpnewchar + newchar;
    }
    //Convert after decimal point
    if (Num.indexOf(".") != -1) {
        if (part[1].length > 2) {
            //Alert ("only two digits can be reserved after the decimal point, and the system will automatically truncate");
            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 = "zero" + tmpnewchar;
                    break;
                case "1":
                    Tmpnewchar = "one" + tmpnewchar;
                    break;
                case "2":
                    Tmpnewchar = "two" + tmpnewchar;
                    break;
                case "3":
                    Tmpnewchar = "three" + tmpnewchar;
                    break;
                case "4":
                    Tmpnewchar = "four" + tmpnewchar;
                    break;
                case "5":
                    Tmpnewchar = "Five" + tmpnewchar;
                    break;
                case "6":
                    Tmpnewchar = "land" + tmpnewchar;
                    break;
                case "7":
                    Tmpnewchar = "seven" + tmpnewchar;
                    break;
                case "8":
                    Tmpnewchar = "eight" + tmpnewchar;
                    break;
                case "9":
                    Tmpnewchar = "Nine" + tmpnewchar;
                    break;
            }
            If (I = = 0) tmpnewchar = tmpnewchar + "angle";
            If (I = = 1) tmpnewchar = tmpnewchar + "minute";
            newchar = newchar + tmpnewchar;
        }
    }
    //Replace all useless Chinese characters
    While (newchar. Search ("zero")! =- 1)
        newchar = newchar. Replace ("zero", "zero");
    newchar = newchar. Replace ("billion");
    newchar = newchar. Replace ("billions", "billions");
    newchar = newchar. Replace ("ten thousand", "ten thousand");
    newchar = newchar. Replace ("zero yuan", "Yuan");
    newchar = newchar. Replace ("zero angle", "");
    newchar = newchar. Replace ("zero", "");
    If (newchar. Charat (newchar. Length - 1) = = "Yuan"){
        Newchar = newchar + "integer"
    }
    return newchar;
}

42. Determine whether an element is in the array

export const contains = (arr, val) => {
    return arr.indexOf(val) != -1 ? true : false;
}

43. Array sorting, {type} 1: from small to large 2: from large to small 3: random

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. Weight removal

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. Find the union of two sets

export const union = (a, b) => {
    var newArr = a.concat(b);
    return this.unique(newArr);
}

46. Find the intersection of two sets

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. Delete one of the elements

export const remove = (arr, ele) => {
    var index = arr.indexOf(ele);
    if (index > -1) {
        arr.splice(index, 1);
    }
    return arr;
}

48. Convert class array to array

export const formArray = (ary) => {
    var arr = [];
    if (Array.isArray(ary)) {
        arr = ary;
    } else {
        arr = Array.prototype.slice.call(ary);
    };
    return arr;
}

49. Max

export const max = (arr) => {
    return Math.max.apply(null, arr);
}

50. Min

export const min = (arr) => {
    return Math.min.apply(null, arr);
}

51. Summation

export const sum = (arr) => {
    return arr.reduce((pre, cur) => {
        return pre + cur
    })
}

52. Average value

export const average = (arr) => {
    return this.sum(arr) / arr.length
}

53. Remove spaces, type: 1 – all spaces, 2 – front and rear spaces, 3 – front spaces, 4 – rear spaces

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. Character conversion, type: 1: initial uppercase 2: initial lowercase 3: case conversion 4: all uppercase 5: all lowercase

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. Detect password strength

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. Function restrictor

export const debouncer = (fn, time, interval = 200) => {
    if (time - (window.debounceTimestamp || 0) > interval) {
        fn && fn();
        window.debounceTimestamp = time;
    }
}

57. Insert a new string into the string

export const insertStr = (soure, index, newStr) => {
    var str = soure.slice(0, index) + newStr + soure.slice(index);
    return str;
}

58. Judge whether two objects have the same key value

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. Hexadecimal color to rgbrgba string

export const colorToRGB = (val, opa) => {

    var pattern = /^(#?) [a-fA-F0-9]{6}$/; // Hex color value verification rules
    var isOpa = typeof opa == 'number'; // Determine whether opacity is set

    If (! Pattern. Test (VAL)) {// if the value does not conform to the rules, an empty character is returned
        return '';
    }

    var v = val.replace(/#/, ''); // If there is a # number, remove the # number first
    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. Add URL parameter

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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