判断是否为邮箱
export const isEmail = (s) => {
return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}
判断是否为手机号码
export const isMobile = (s) => {
return /^1[0-9]{10}$/.test(s)
}
判断是否为电话号码
export const isPhone = (s) => {
return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
}
判断是否为URL
export const isURL = (s) => {
return /^http[s]?:\/\/.*/.test(s)
}
判断是否为字符串
export const isString = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'String'
}
判断是否为数字
export const isNumber = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
}
判断是否为布尔值
export const isBoolean = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
}
判断是否为函数
export const isFunction = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
}
判断是否为null
export const isNull = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
}
判断是否为undefined
export const isUndefined = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
}
判断是否为对象
export const isObj = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
}
判断是否为数组
export const isArray = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
}
判断是否为时间对象
export const isDate = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
}
判断是否为正则
export const isRegExp = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
}
判断是否为错误对象
export const isError = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
}
判断是否为Symbol函数
export const isSymbol = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
}
判断是否为Promise对象
export const isPromise = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
}
判断是否为Set对象
export const isSet = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
}
判断是否为微信浏览器
export const ua = navigator.userAgent.toLowerCase();
export const isWeiXin = () => {
return ua.match(/microMessenger/i) == 'micromessenger'
}
判断是否为移动端
export const ua = navigator.userAgent.toLowerCase();
export const isDeviceMobile = () => {
return /android|webos|iphone|ipod|balckberry/i.test(ua)
}
判断是否为QQ浏览器
export const ua = navigator.userAgent.toLowerCase();
export const isQQBrowser = () => {
return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
}
判断是否为爬虫
export const ua = navigator.userAgent.toLowerCase();
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)
}
判断是否为ios
export const isIos = () => {
var u = navigator.userAgent;
if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) {
return false
} else if (u.indexOf('iPhone') > -1) {
return true
} else if (u.indexOf('iPad') > -1) {
return false
} else if (u.indexOf('Windows Phone') > -1) {
return false
} else {
return false
}
}
判断是否为PC端
/**
* 是否为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
if (userAgentInfo.indexOf(Agents[v]) > 0) {
flag = false
break
}
}
return flag
}
去除html标签
export const removeHtmltag = (str) => {
return str.replace(/<[^>]+>/g, '')
}
获取url参数
/**
* 获取url参数
* @param {*} name
*/
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]
}
动态引入js
/**
* 动态引入js
* @param {*} src
*/
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)
}
根据url地址下载
/**
* 根据url地址下载
* @param {*} url
*/
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
}
根据url地址下载
export const hasClass = (el, className) => {
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
return reg.test(el.className)
}
el添加某个class
export const addClass = (el, className) => {
if (hasClass(el, className)) {
return
}
let newClass = el.className.split(' ')
newClass.push(className)
el.className = newClass.join(' ')
}
el去除某个class
export const removeClass = (el, className) => {
if (!hasClass(el, className)) {
return
}
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)', 'g')
el.className = el.className.replace(reg, ' ')
}
获取滚动的坐标
export const getScrollPosition = (el = window) => ({
x: el.pageXOffset !== undefined ? el.pageXOffset : el.scrollLeft,
y: el.pageYOffset !== undefined ? el.pageYOffset : el.scrollTop
});
滚动到顶部
export const scrollToTop = () => {
const c = document.documentElement.scrollTop || document.body.scrollTop;
if (c > 0) {
window.requestAnimationFrame(scrollToTop);
window.scrollTo(0, c - c / 8);
}
}
el是否在视口范围内
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;
}
洗牌算法随机
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;
}
劫持粘贴板
/**
* 劫持粘贴板
* @param {*} value
*/
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)
}
判断类型集合
export const checkStr = (str, type) => {
switch (type) {
case 'phone':
return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);
case 'tel':
return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
case 'card':
return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);
case 'pwd':
return /^[a-zA-Z]\w{5,17}$/.test(str)
case 'postal':
return /[1-9]\d{5}(?!\d)/.test(str);
case 'QQ':
return /^[1-9][0-9]{4,9}$/.test(str);
case 'email':
return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
case 'money':
return /^\d*(?:\.\d{0,2})?$/.test(str);
case 'URL':
return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
case 'IP':
return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
case 'date':
return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
case 'number':
return /^[0-9]$/.test(str);
case 'english':
return /^[a-zA-Z]+$/.test(str);
case 'chinese':
return /^[\\u4E00-\\u9FA5]+$/.test(str);
case 'lower':
return /^[a-z]+$/.test(str);
case 'upper':
return /^[A-Z]+$/.test(str);
case 'HTML':
return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
default:
return true;
}
}
严格的身份证校验
export const 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
}
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
}
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
}
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];
if (sId[sId.length - 1] != last) {
console.log('你输入的身份证号非法')
return false
}
return true
}
随机数范围
export const random = (min, max) => {
if (arguments.length === 2) {
return Math.floor(min + Math.random() * ((max + 1) - min))
} else {
return null;
}
}
将阿拉伯数字翻译成中文的大写数字
/**
* 将阿拉伯数字翻译成中文的大写数字
*/
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", "点", "")
var a = ("" + num).replace(/(^0*)/g, "").split("."),
k = 0,
re = ""
for (var i = a[0].length - 1
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) // 加上小数部分(如果有小数部分)
{
re += BB[6]
for (var i = 0
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
}
将数字转换为大写金额
/**
* 将数字转换为大写金额
*/
export const 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[0].length - 1
if (part[0].length > 10) {
return ""
//若数量超过拾亿单位,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 = "贰" + tmpnewchar
break
case "3":
tmpnewchar = "叁" + tmpnewchar
break
case "4":
tmpnewchar = "肆" + tmpnewchar
break
case "5":
tmpnewchar = "伍" + tmpnewchar
break
case "6":
tmpnewchar = "陆" + 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 + "万"
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 + "亿"
break
case 9:
tmpnewchar = tmpnewchar + "拾"
break
}
var newchar = tmpnewchar + newchar
}
//小数点之后进行转化
if (Num.indexOf(".") != -1) {
if (part[1].length > 2) {
// alert("小数点之后只能保留两位,系统将自动截断")
part[1] = part[1].substr(0, 2)
}
for (i = 0
tmpnewchar = ""
perchar = part[1].charAt(i)
switch (perchar) {
case "0":
tmpnewchar = "零" + tmpnewchar
break
case "1":
tmpnewchar = "壹" + tmpnewchar
break
case "2":
tmpnewchar = "贰" + tmpnewchar
break
case "3":
tmpnewchar = "叁" + tmpnewchar
break
case "4":
tmpnewchar = "肆" + tmpnewchar
break
case "5":
tmpnewchar = "伍" + tmpnewchar
break
case "6":
tmpnewchar = "陆" + 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
}
}
//替换所有无用汉字
while (newchar.search("零零") != -1)
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 - 1) == "元") {
newchar = newchar + "整"
}
return newchar
}
删除数组其中一个元素
/**
* 删除其中一个元素
*/
export const remove = (arr, ele) => {
var index = arr.indexOf(ele)
if (index > -1) {
arr.splice(index, 1)
}
return arr
}
将类数组转换为数组
/**
* 将类数组转换为数组的方法
*/
export const formArray = (ary) => {
var arr = []
if (Array.isArray(ary)) {
arr = ary
} else {
arr = Array.prototype.slice.call(ary)
}
return arr
}
获取数组最大值
export const max = (arr) => {
return Math.max.apply(null, arr);
}
获取数组最小值
export const min = (arr) => {
return Math.min.apply(null, arr);
}
数组求和
export const sum = (arr) => {
return arr.reduce((pre, cur) => {
return pre + cur
})
}
字符串去除空格
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;
}
}
字符串常用集合
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;
}
}
检测密码强度
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;
}
函数节流器
export const debouncer = (fn, time, interval = 200) => {
if (time - (window.debounceTimestamp || 0) > interval) {
fn && fn();
window.debounceTimestamp = time;
}
}
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;
}
判断两个对象是否键值相同
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;
}
16进制颜色转RGB\RGBA字符串
/**
* 16进制颜色转RGB\RGBA字符串
* @param {String} val 16进制颜色值
* @param {Number} opa 不透明度,取值0~1
* @return {String} 转换后的RGB或RGBA颜色值
*/
export const colorToRGB = (val, opa) => {
var pattern = /^(
var isOpa = typeof opa == 'number'
if (!pattern.test(val)) { //如果值不符合规则返回空字符
return ''
}
var v = val.replace(/
var rgbArr = []
var rgbStr = ''
for (var i = 0
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
}
追加url参数
/**
* 追加url参数
* @param {string} url url参数
* @param {string|object} key 名字或者对象
* @param {string} value 值
* @return {string} 返回新的url
* @example
* appendQuery(
* appendQuery(
*/
export const appendQuery = (url, key, value) => {
var options = key;
if (typeof options ==
options = {};
options[key] = value;
}
options = $.param(options);
if (url.includes(
url +=
} else {
url +=
}
return url;
}
判断a数组是否包含b数组中
export const getArrRepeat = (arr1,arr2) =>{
return arr1.filter((item,index) =>{
return arr2.includes(item)
})
}
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export const copyToClip = (content) => {
var aux = document.createElement("input");
aux.setAttribute("value", content);
document.body.appendChild(aux);
aux.select();
document.execCommand("copy");
document.body.removeChild(aux);
console.log('复制成功');
}
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/**
* 生成uuid
*/
export const generateUUID = () => {
let d = new Date().getTime()
let uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
let r = (d + Math.random() * 16) % 16 | 0
d = Math.floor(d / 16)
return (c == 'x' ? r : (r & 0x7 | 0x8)).toString(16)
})
return uuid
}
原文内容 Github