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为元素添加on方法
- ElementElement.prototype.on = Element.prototype.addEventListener;
- NodeList.prototype.on = function (event, fn) {、
- []['forEach'].call(this, function (el) {
- el.on(event, fn);
- });
- return this;
- };
为元素添加trigger方法
- Element.prototype.trigger = function(type, data) {
- var event = document.createEvent("HTMLEvents");
- event.initEvent(type, true, true);
- event.data = data || {};
- event.eventName = type;
- event.target = this;
- this.dispatchEvent(event);
- return this;
- };
- NodeList.prototype.trigger = function(event) {
- []["forEach"].call(this, function(el) {
- el["trigger"](event);
- });
- return this;
- };
转义html标签
- function HtmlEncode(text) {
- return text
- .replace(/&/g, "&")
- .replace(/\"/g, '"')
- .replace(/</g, "<")
- .replace(/>/g, ">");
- }
HTML标签转义
- // HTML 标签转义
- // @param {Array.<DOMString>} templateData 字符串类型的tokens
- // @param {...} ..vals 表达式占位符的运算结果tokens
- //
- function SaferHTML(templateData) {
- var s = templateData[0];
- for (var i = 1; i < arguments.length; i++) {
- var arg = String(arguments[i]);
- // Escape special characters in the substitution.
- s += arg
- .replace(/&/g, "&")
- .replace(/</g, "<")
- .replace(/>/g, ">");
- // Don't escape special characters in the template.
- s += templateData[i];
- }
- return s;
- }
- // 调用
- var html = SaferHTML`<p>这是关于字符串模板的介绍</p>`;
跨浏览器绑定事件
- function addEventSamp(obj, evt, fn) {
- if (!oTarget) {
- return;
- }
- if (obj.addEventListener) {
- obj.addEventListener(evt, fn, false);
- } else if (obj.attachEvent) {
- obj.attachEvent("on" + evt, fn);
- } else {
- oTarget["on" + sEvtType] = fn;
- }
- }
加入收藏夹
- function addFavorite(sURL, sTitle) {
- try {
- window.external.addFavorite(sURL, sTitle);
- } catch (e) {
- try {
- window.sidebar.addPanel(sTitle, sURL, "");
- } catch (e) {
- alert("加入收藏失败,请使用Ctrl+D进行添加");
- }
- }
- }
提取页面代码中所有网址
- var aa = document.documentElement.outerHTML
- .match(
- /(url\(|src=|href=)[\"\']*([^\"\'\(\)\<\>\[\] ]+)[\"\'\)]*|(http:\/\/[\w\-\.]+[^\"\'\(\)\<\>\[\] ]+)/gi
- )
- .join("\r\n")
- .replace(/^(src=|href=|url\()[\"\']*|[\"\'\>\) ]*$/gim, "");
- alert(aa);
动态加载脚本文件
- function appendscript(src, text, reload, charset) {
- var id = hash(src + text);
- if (!reload && in_array(id, evalscripts)) return;
- if (reload && $(id)) {
- $(id).parentNode.removeChild($(id));
- }
- evalscripts.push(id);
- var scriptNode = document.createElement("script");
- scriptNode.type = "text/javascript";
- scriptNode.id = id;
- scriptNode.charset = charset
- ? charset
- : BROWSER.firefox
- ? document.characterSet
- : document.charset;
- try {
- if (src) {
- scriptNode.src = src;
- scriptNode.onloadDone = false;
- scriptNode.onload = function() {
- scriptNode.onloadDone = true;
- JSLOADED[src] = 1;
- };
- scriptNode.onreadystatechange = function() {
- if (
- (scriptNode.readyState == "loaded" ||
- scriptNode.readyState == "complete") &&
- !scriptNode.onloadDone
- ) {
- scriptNode.onloadDone = true;
- JSLOADED[src] = 1;
- }
- };
- } else if (text) {
- scriptNode.text = text;
- }
- document.getElementsByTagName("head")[0].appendChild(scriptNode);
- } catch (e) {}
- }
返回顶部的通用方法
- function backTop(btnId) {
- var btn = document.getElementById(btnId);
- var d = document.documentElement;
- var b = document.body;
- window.onscroll = set;
- btn.style.display = "none";
- btn.onclick = function() {
- btn.style.display = "none";
- window.onscroll = null;
- this.timer = setInterval(function() {
- d.scrollTop -= Math.ceil((d.scrollTop + b.scrollTop) * 0.1);
- b.scrollTop -= Math.ceil((d.scrollTop + b.scrollTop) * 0.1);
- if (d.scrollTop + b.scrollTop == 0)
- clearInterval(btn.timer, (window.onscroll = set));
- }, 10);
- };
- function set() {
- btn.style.display = d.scrollTop + b.scrollTop > 100 ? "block" : "none";
- }
- }
- backTop("goTop");
实现base64解码
- function base64_decode(data) {
- var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
- var o1,
- o2,
- o3,
- h1,
- h2,
- h3,
- h4,
- bits,
- i = 0,
- ac = 0,
- dec = "",
- tmp_arr = [];
- if (!data) {
- return data;
- }
- data += "";
- do {
- h1 = b64.indexOf(data.charAt(i++));
- h2 = b64.indexOf(data.charAt(i++));
- h3 = b64.indexOf(data.charAt(i++));
- h4 = b64.indexOf(data.charAt(i++));
- bits = (h1 << 18) | (h2 << 12) | (h3 << 6) | h4;
- o1 = (bits >> 16) & 0xff;
- o2 = (bits >> 8) & 0xff;
- o3 = bits & 0xff;
- if (h3 == 64) {
- tmp_arr[ac++] = String.fromCharCode(o1);
- } else if (h4 == 64) {
- tmp_arr[ac++] = String.fromCharCode(o1, o2);
- } else {
- tmp_arr[ac++] = String.fromCharCode(o1, o2, o3);
- }
- } while (i < data.length);
- dec = tmp_arr.join("");
- dec = utf8_decode(dec);
- return dec;
- }
确认是否是键盘有效输入值
- function checkKey(iKey) {
- if (iKey == 32 || iKey == 229) {
- return true;
- } /*空格和异常*/
- if (iKey > 47 && iKey < 58) {
- return true;
- } /*数字*/
- if (iKey > 64 && iKey < 91) {
- return true;
- } /*字母*/
- if (iKey > 95 && iKey < 108) {
- return true;
- } /*数字键盘1*/
- if (iKey > 108 && iKey < 112) {
- return true;
- } /*数字键盘2*/
- if (iKey > 185 && iKey < 193) {
- return true;
- } /*符号1*/
- if (iKey > 218 && iKey < 223) {
- return true;
- } /*符号2*/
- return false;
- }
全角半角转换
- //iCase: 0全到半,1半到全,其他不转化
- function chgCase(sStr, iCase) {
- if (
- typeof sStr != "string" ||
- sStr.length <= 0 ||
- !(iCase === 0 || iCase == 1)
- ) {
- return sStr;
- }
- var i,
- oRs = [],
- iCode;
- if (iCase) {
- /*半->全*/
- for (i = 0; i < sStr.length; i += 1) {
- iCode = sStr.charCodeAt(i);
- if (iCode == 32) {
- iCode = 12288;
- } else if (iCode < 127) {
- iCode += 65248;
- }
- oRs.push(String.fromCharCode(iCode));
- }
- } else {
- /*全->半*/
- for (i = 0; i < sStr.length; i += 1) {
- iCode = sStr.charCodeAt(i);
- if (iCode == 12288) {
- iCode = 32;
- } else if (iCode > 65280 && iCode < 65375) {
- iCode -= 65248;
- }
- oRs.push(String.fromCharCode(iCode));
- }
- }
- return oRs.join("");
- }
版本对比
- function compareVersion(v1, v2) {
- v1v1 = v1.split(".");
- v2v2 = v2.split(".");
- var len = Math.max(v1.length, v2.length);
- while (v1.length < len) {
- v1.push("0");
- }
- while (v2.length < len) {
- v2.push("0");
- }
- for (var i = 0; i < len; i++) {
- var num1 = parseInt(v1[i]);
- var num2 = parseInt(v2[i]);
- if (num1 > num2) {
- return 1;
- } else if (num1 < num2) {
- return -1;
- }
- }
- return 0;
- }
压缩CSS样式代码
- function compressCss(s) {
- //压缩代码
- ss = s.replace(/\/\*(.|\n)*?\*\//g, ""); //删除注释
- ss = s.replace(/\s*([\{\}\:\;\,])\s*/g, "$1");
- ss = s.replace(/\,[\s\.\#\d]*\{/g, "{"); //容错处理
- ss = s.replace(/;\s*;/g, ";"); //清除连续分号
- ss = s.match(/^\s*(\S+(\s+\S+)*)\s*$/); //去掉首尾空白
- return s == null ? "" : s[1];
- }
获取当前路径
- var currentPageUrl = "";
- if (typeof this.href === "undefined") {
- currentPageUrl = document.location.toString().toLowerCase();
- } else {
- currentPageUrl = this.href.toString().toLowerCase();
- }
字符串长度截取
- function cutstr(str, len) {
- var temp,
- icount = 0,
- patrn = /[^\x00-\xff]/,
- strre = "";
- for (var i = 0; i < str.length; i++) {
- if (icount < len - 1) {
- temp = str.substr(i, 1);
- if (patrn.exec(temp) == null) {
- icounticount = icount + 1
- } else {
- icounticount = icount + 2
- }
- strre += temp
- } else {
- break;
- }
- }
- return strre + "..."
- }
时间日期格式转换
- Date.prototype.format = function(formatStr) {
- var str = formatStr;
- var Week = ["日", "一", "二", "三", "四", "五", "六"];
- strstr = str.replace(/yyyy|YYYY/, this.getFullYear());
- strstr = str.replace(
- /yy|YY/,
- this.getYear() % 100 > 9
- ? (this.getYear() % 100).toString()
- : "0" + (this.getYear() % 100)
- );
- strstr = str.replace(
- /MM/,
- this.getMonth() + 1 > 9
- ? (this.getMonth() + 1).toString()
- : "0" + (this.getMonth() + 1)
- );
- strstr = str.replace(/M/g, this.getMonth() + 1);
- strstr = str.replace(/w|W/g, Week[this.getDay()]);
- strstr = str.replace(
- /dd|DD/,
- this.getDate() > 9 ? this.getDate().toString() : "0" + this.getDate()
- );
- strstr = str.replace(/d|D/g, this.getDate());
- strstr = str.replace(
- /hh|HH/,
- this.getHours() > 9 ? this.getHours().toString() : "0" + this.getHours()
- );
- strstr = str.replace(/h|H/g, this.getHours());
- strstr = str.replace(
- /mm/,
- this.getMinutes() > 9
- ? this.getMinutes().toString()
- : "0" + this.getMinutes()
- );
- strstr = str.replace(/m/g, this.getMinutes());
- strstr = str.replace(
- /ss|SS/,
- this.getSeconds() > 9
- ? this.getSeconds().toString()
- : "0" + this.getSeconds()
- );
- strstr = str.replace(/s|S/g, this.getSeconds());
- return str;
- };
- // 或
- Date.prototype.format = function(format) {
- var o = {
- "M+": this.getMonth() + 1, //month
- "d+": this.getDate(), //day
- "h+": this.getHours(), //hour
- "m+": this.getMinutes(), //minute
- "s+": this.getSeconds(), //second
- "q+": Math.floor((this.getMonth() + 3) / 3), //quarter
- S: this.getMilliseconds() //millisecond
- };
- if (/(y+)/.test(format))
- formatformat = format.replace(
- RegExp.$1,
- (this.getFullYear() + "").substr(4 - RegExp.$1.length)
- );
- for (var k in o) {
- if (new RegExp("(" + k + ")").test(format))
- formatformat = format.replace(
- RegExp.$1,
- RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length)
- );
- }
- return format;
- };
- alert(new Date().format("yyyy-MM-dd hh:mm:ss"));
跨浏览器删除事件
- function delEvt(obj, evt, fn) {
- if (!obj) {
- return;
- }
- if (obj.addEventListener) {
- obj.addEventListener(evt, fn, false);
- } else if (oTarget.attachEvent) {
- obj.attachEvent("on" + evt, fn);
- } else {
- obj["on" + evt] = fn;
- }
- }
判断是否以某个字符串结束
- String.prototype.endWith = function(s) {
- var d = this.length - s.length;
- return d >= 0 && this.lastIndexOf(s) == d;
- };
返回脚本内容
- function evalscript(s) {
- if (s.indexOf("<script") == -1) return s;
- var p = /<script[^\>]*?>([^\x00]*?)<\/script>/gi;
- var arr = [];
- while ((arr = p.exec(s))) {
- var p1 = /<script[^\>]*?src=\"([^\>]*?)\"[^\>]*?(reload=\"1\")?(?:charset=\"([\w\-]+?)\")?><\/script>/i;
- var arr1 = [];
- arr1 = p1.exec(arr[0]);
- if (arr1) {
- appendscript(arr1[1], "", arr1[2], arr1[3]);
- } else {
- p1 = /<script(.*?)>([^\x00]+?)<\/script>/i;
- arr1 = p1.exec(arr[0]);
- appendscript("", arr1[2], arr1[1].indexOf("reload=") != -1);
- }
- }
- return s;
- }
格式化CSS样式代码
- function formatCss(s) {
- //格式化代码
- ss = s.replace(/\s*([\{\}\:\;\,])\s*/g, "$1");
- ss = s.replace(/;\s*;/g, ";"); //清除连续分号
- ss = s.replace(/\,[\s\.\#\d]*{/g, "{");
- ss = s.replace(/([^\s])\{([^\s])/g, "$1 {\n\t$2");
- ss = s.replace(/([^\s])\}([^\n]*)/g, "$1\n}\n$2");
- ss = s.replace(/([^\s]);([^\s\}])/g, "$1;\n\t$2");
- return s;
- }
获取cookie值
- function getCookie(name) {
- var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
- if (arr != null) return unescape(arr[2]);
- return null;
- }
获得URL中GET参数值
- // 用法:如果地址是 test.htm?t1=1&t2=2&t3=3, 那么能取得:GET["t1"], GET["t2"], GET["t3"]
- function getGet() {
- querystr = window.location.href.split("?");
- if (querystr[1]) {
- GETs = querystr[1].split("&");
- GET = [];
- for (i = 0; i < GETs.length; i++) {
- tmp_arr = GETs.split("=");
- key = tmp_arr[0];
- GET[key] = tmp_arr[1];
- }
- }
- return querystr[1];
- }
获取移动设备初始化大小
- function getInitZoom() {
- if (!this._initZoom) {
- var screenWidth = Math.min(screen.height, screen.width);
- if (this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()) {
- screenWidthscreenWidth = screenWidth / window.devicePixelRatio;
- }
- this._initZoom = screenWidth / document.body.offsetWidth;
- }
- return this._initZoom;
- }
获取页面高度
- function getPageHeight() {
- var g = document,
- a = g.body,
- f = g.documentElement,
- d = g.compatMode == "BackCompat" ? a : g.documentElement;
- return Math.max(f.scrollHeight, a.scrollHeight, d.clientHeight);
- }
获取页面scrollLeft
- function getPageScrollLeft() {
- var a = document;
- return a.documentElement.scrollLeft || a.body.scrollLeft;
- }
获取页面scrollTop
- function getPageScrollTop() {
- var a = document;
- return a.documentElement.scrollTop || a.body.scrollTop;
- }
获取页面可视高度
- function getPageViewHeight() {
- var d = document,
- a = d.compatMode == "BackCompat" ? d.body : d.documentElement;
- return a.clientHeight;
- }
获取页面可视宽度
- function getPageViewWidth() {
- var d = document,
- a = d.compatMode == "BackCompat" ? d.body : d.documentElement;
- return a.clientWidth;
- }
获取页面宽度
- function getPageWidth() {
- var g = document,
- a = g.body,
- f = g.documentElement,
- d = g.compatMode == "BackCompat" ? a : g.documentElement;
- return Math.max(f.scrollWidth, a.scrollWidth, d.clientWidth);
- }
获取移动设备屏幕宽度
- function getScreenWidth() {
- var smallerSide = Math.min(screen.width, screen.height);
- var fixViewPortsExperiment =
- rendererModel.runningExperiments.FixViewport ||
- rendererModel.runningExperiments.fixviewport;
- var fixViewPortsExperimentfixViewPortsExperimentRunning =
- fixViewPortsExperiment && fixViewPortsExperiment.toLowerCase() === "new";
- if (fixViewPortsExperiment) {
- if (this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()) {
- smallerSidesmallerSide = smallerSide / window.devicePixelRatio;
- }
- }
- return smallerSide;
- }
获取网页被卷去的位置
- function getScrollXY() {
- return document.body.scrollTop
- ? {
- x: document.body.scrollLeft,
- y: document.body.scrollTop
- }
- : {
- x: document.documentElement.scrollLeft,
- y: document.documentElement.scrollTop
- };
- }
获取URL上的参数
- // 获取URL中的某参数值,不区分大小写
- // 获取URL中的某参数值,不区分大小写,
- // 默认是取'hash'里的参数,
- // 如果传其他参数支持取‘search’中的参数
- // @param {String} name 参数名称
- export function getUrlParam(name, type = "hash") {
- let newName = name,
- reg = new RegExp("(^|&)" + newName + "=([^&]*)(&|$)", "i"),
- paramHash = window.location.hash.split("?")[1] || "",
- paramSearch = window.location.search.split("?")[1] || "",
- param;
- type === "hash" ? (param = paramHash) : (param = paramSearch);
- let result = param.match(reg);
- if (result != null) {
- return result[2].split("/")[0];
- }
- return null;
- }
检验URL链接是否有效
- function getUrlState(URL) {
- var xmlhttp = new ActiveXObject("microsoft.xmlhttp");
- xmlhttp.Open("GET", URL, false);
- try {
- xmlhttp.Send();
- } catch (e) {
- } finally {
- var result = xmlhttp.responseText;
- if (result) {
- if (xmlhttp.Status == 200) {
- return true;
- } else {
- return false;
- }
- } else {
- return false;
- }
- }
- }
获取窗体可见范围的宽与高
- function getViewSize() {
- var de = document.documentElement;
- var db = document.body;
- var viewW = de.clientWidth == 0 ? db.clientWidth : de.clientWidth;
- var viewH = de.clientHeight == 0 ? db.clientHeight : de.clientHeight;
- return Array(viewW, viewH);
- }
获取移动设备最大化大小
- function getZoom() {
- var screenWidth =
- Math.abs(window.orientation) === 90
- ? Math.max(screen.height, screen.width)
- : Math.min(screen.height, screen.width);
- if (this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()) {
- screenWidthscreenWidth = screenWidth / window.devicePixelRatio;
- }
- var FixViewPortsExperiment =
- rendererModel.runningExperiments.FixViewport ||
- rendererModel.runningExperiments.fixviewport;
- var FixViewPortsExperimentFixViewPortsExperimentRunning =
- FixViewPortsExperiment &&
- (FixViewPortsExperiment === "New" || FixViewPortsExperiment === "new");
- if (FixViewPortsExperimentRunning) {
- return screenWidth / window.innerWidth;
- } else {
- return screenWidth / document.body.offsetWidth;
- }
- }
判断是否安卓移动设备访问
- function isAndroidMobileDevice() {
- return /android/i.test(navigator.userAgent.toLowerCase());
- }
判断是否苹果移动设备访问
- function isAppleMobileDevice() {
- return /iphone|ipod|ipad|Macintosh/i.test(navigator.userAgent.toLowerCase());
- }
判断是否为数字类型
- function isDigit(value) {
- var patrn = /^[0-9]*$/;
- if (patrn.exec(value) == null || value == "") {
- return false;
- } else {
- return true;
- }
- }
是否是某类手机型号
- // 用devicePixelRatio和分辨率判断
- const isIphonex = () => {
- // X XS, XS Max, XR
- const xSeriesConfig = [
- {
- devicePixelRatio: 3,
- width: 375,
- height: 812
- },
- {
- devicePixelRatio: 3,
- width: 414,
- height: 896
- },
- {
- devicePixelRatio: 2,
- width: 414,
- height: 896
- }
- ];
- // h5
- if (typeof window !== "undefined" && window) {
- const isIOS = /iphone/gi.test(window.navigator.userAgent);
- if (!isIOS) return false;
- const { devicePixelRatio, screen } = window;
- const { width, height } = screen;
- return xSeriesConfig.some(
- item =>
- item.devicePixelRatio === devicePixelRatio &&
- item.width === width &&
- item.height === height
- );
- }
- return false;
- };
判断是否移动设备
- function isMobile() {
- if (typeof this._isMobile === "boolean") {
- return this._isMobile;
- }
- var screenWidth = this.getScreenWidth();
- var fixViewPortsExperiment =
- rendererModel.runningExperiments.FixViewport ||
- rendererModel.runningExperiments.fixviewport;
- var fixViewPortsExperimentfixViewPortsExperimentRunning =
- fixViewPortsExperiment && fixViewPortsExperiment.toLowerCase() === "new";
- if (!fixViewPortsExperiment) {
- if (!this.isAppleMobileDevice()) {
- screenWidthscreenWidth = screenWidth / window.devicePixelRatio;
- }
- }
- var isMobileScreenSize = screenWidth < 600;
- var isMobileUserAgent = false;
- this._isMobile = isMobileScreenSize && this.isTouchScreen();
- return this._isMobile;
- }
判断吗是否手机号码
- function isMobileNumber(e) {
- var i =
- "134,135,136,137,138,139,150,151,152,157,158,159,187,188,147,182,183,184,178",
- n = "130,131,132,155,156,185,186,145,176",
- a = "133,153,180,181,189,177,173,170",
- o = e || "",
- r = o.substring(0, 3),
- d = o.substring(0, 4),
- s =
- !!/^1\d{10}$/.test(o) &&
- (n.indexOf(r) >= 0
- ? "联通"
- : a.indexOf(r) >= 0
- ? "电信"
- : "1349" == d
- ? "电信"
- : i.indexOf(r) >= 0
- ? "移动"
- : "未知");
- return s;
- }
判断是否是移动设备访问
- function isMobileUserAgent() {
- return /iphone|ipod|android.*mobile|windows.*phone|blackberry.*mobile/i.test(
- window.navigator.userAgent.toLowerCase()
- );
- }
判断鼠标是否移出事件
- function isMouseOut(e, handler) {
- if (e.type !== "mouseout") {
- return false;
- }
- var reltg = e.relatedTarget
- ? e.relatedTarget
- : e.type === "mouseout"
- ? e.toElement
- : e.fromElement;
- while (reltg && reltg !== handler) {
- reltgreltg = reltg.parentNode;
- }
- return reltg !== handler;
- }
判断是否Touch屏幕
- function isTouchScreen() {
- return (
- "ontouchstart" in window ||
- (window.DocumentTouch && document instanceof DocumentTouch)
- );
- }
判断是否为网址
- function isURL(strUrl) {
- var regular = /^\b(((https?|ftp):\/\/)?[-a-z0-9]+(\.[-a-z0-9]+)*\.(?:com|edu|gov|int|mil|net|org|biz|info|name|museum|asia|coop|aero|[a-z][a-z]|((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]\d)|\d))\b(\/[-a-z0-9_:\@&?=+,.!\/~%\$]*)?)$/i;
- if (regular.test(strUrl)) {
- return true;
- } else {
- return false;
- }
- }
判断是否打开视窗
- function isViewportOpen() {
- return !!document.getElementById("wixMobileViewport");
- }
加载样式文件
- function loadStyle(url) {
- try {
- document.createStyleSheet(url);
- } catch (e) {
- var cssLink = document.createElement("link");
- cssLink.rel = "stylesheet";
- cssLink.type = "text/css";
- cssLink.href = url;
- var head = document.getElementsByTagName("head")[0];
- head.appendChild(cssLink);
- }
- }
替换地址栏
- function locationReplace(url) {
- if (history.replaceState) {
- history.replaceState(null, document.title, url);
- history.go(0);
- } else {
- location.replace(url);
- }
- }
解决offsetX兼容性问题
- // 针对火狐不支持offsetX/Y
- function getOffset(e) {
- var target = e.target, // 当前触发的目标对象
- eventCoord,
- pageCoord,
- offsetCoord;
- // 计算当前触发元素到文档的距离
- pageCoord = getPageCoord(target);
- // 计算光标到文档的距离
- eventCoord = {
- X: window.pageXOffset + e.clientX,
- Y: window.pageYOffset + e.clientY
- };
- // 相减获取光标到第一个定位的父元素的坐标
- offsetCoord = {
- X: eventCoord.X - pageCoord.X,
- Y: eventCoord.Y - pageCoord.Y
- };
- return offsetCoord;
- }
- function getPageCoord(element) {
- var coord = { X: 0, Y: 0 };
- // 计算从当前触发元素到根节点为止,
- // 各级 offsetParent 元素的 offsetLeft 或 offsetTop 值之和
- while (element) {
- coord.X += element.offsetLeft;
- coord.Y += element.offsetTop;
- elementelement = element.offsetParent;
- }
- return coord;
- }
打开一个窗体通用方法
- function openWindow(url, windowName, width, height) {
- var x = parseInt(screen.width / 2.0) - width / 2.0;
- var y = parseInt(screen.height / 2.0) - height / 2.0;
- var isMSIE = navigator.appName == "Microsoft Internet Explorer";
- if (isMSIE) {
- var p = "resizable=1,location=no,scrollbars=no,width=";
- pp = p + width;
- pp = p + ",height=";
- pp = p + height;
- pp = p + ",left=";
- pp = p + x;
- pp = p + ",top=";
- pp = p + y;
- retval = window.open(url, windowName, p);
- } else {
- var win = window.open(
- url,
- "ZyiisPopup",
- "top=" +
- y +
- ",left=" +
- x +
- ",scrollbars=" +
- scrollbars +
- ",dialog=yes,modal=yes,width=" +
- width +
- ",height=" +
- height +
- ",resizable=no"
- );
- eval("try { win.resizeTo(width, height); } catch(e) { }");
- win.focus();
- }
- }
将键值对拼接成URL带参数
- export default const fnParams2Url = obj=> {
- let aUrl = []
- let fnAdd = function(key, value) {
- return key + '=' + value
- }
- for (var k in obj) {
- aUrl.push(fnAdd(k, obj[k]))
- }
- return encodeURIComponent(aUrl.join('&'))
- }
去掉url前缀
- function removeUrlPrefix(a) {
- aa = a
- .replace(/:/g, ":")
- .replace(/./g, ".")
- .replace(///g, "/");
- while (
- trim(a)
- .toLowerCase()
- .indexOf("http://") == 0
- ) {
- a = trim(a.replace(/http:\/\//i, ""));
- }
- return a;
- }
替换全部
- String.prototype.replaceAll = function(s1, s2) {
- return this.replace(new RegExp(s1, "gm"), s2);
- };
resize的操作
- (function() {
- var fn = function() {
- var w = document.documentElement
- ? document.documentElement.clientWidth
- : document.body.clientWidth,
- r = 1255,
- b = Element.extend(document.body),
- classname = b.className;
- if (w < r) {
- //当窗体的宽度小于1255的时候执行相应的操作
- } else {
- //当窗体的宽度大于1255的时候执行相应的操作
- }
- };
- if (window.addEventListener) {
- window.addEventListener("resize", function() {
- fn();
- });
- } else if (window.attachEvent) {
- window.attachEvent("onresize", function() {
- fn();
- });
- }
- fn();
- })();
滚动到顶部
- // 使用document.documentElement.scrollTop 或 document.body.scrollTop 获取到顶部的距离,从顶部
- // 滚动一小部分距离。使用window.requestAnimationFrame()来滚动。
- // @example
- // scrollToTop();
- function scrollToTop() {
- var c = document.documentElement.scrollTop || document.body.scrollTop;
- if (c > 0) {
- window.requestAnimationFrame(scrollToTop);
- window.scrollTo(0, c - c / 8);
- }
- }
设置cookie值
- function setCookie(name, value, Hours) {
- var d = new Date();
- var offset = 8;
- var utc = d.getTime() + d.getTimezoneOffset() * 60000;
- var nd = utc + 3600000 * offset;
- var exp = new Date(nd);
- exp.setTime(exp.getTime() + Hours * 60 * 60 * 1000);
- document.cookie =
- name +
- "=" +
- escape(value) +
- ";path=/;expires=" +
- exp.toGMTString() +
- ";domain=360doc.com;";
- }
设为首页
- function setHomepage() {
- if (document.all) {
- document.body.style.behavior = "url(#default#homepage)";
- document.body.setHomePage("http://w3cboy.com");
- } else if (window.sidebar) {
- if (window.netscape) {
- try {
- netscape.security.PrivilegeManager.enablePrivilege(
- "UniversalXPConnect"
- );
- } catch (e) {
- alert(
- "该操作被浏览器拒绝,如果想启用该功能,请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true"
- );
- }
- }
- var prefs = Components.classes[
- "@mozilla.org/preferences-service;1"
- ].getService(Components.interfaces.nsIPrefBranch);
- prefs.setCharPref("browser.startup.homepage", "http://w3cboy.com");
- }
- }
按字母排序,对每行进行数组排序
- function setSort() {
- var text = K1.value
- .split(/[\r\n]/)
- .sort()
- .join("\r\n"); //顺序
- var test = K1.value
- .split(/[\r\n]/)
- .sort()
- .reverse()
- .join("\r\n"); //反序
- K1K1.value = K1.value != text ? text : test;
- }
延时执行
- // 比如 sleep(1000) 意味着等待1000毫秒,还可从 Promise、Generator、Async/Await 等角度实现。
- // Promise
- const sleep = time => {
- return new Promise(resolve => setTimeout(resolve, time));
- };
- sleep(1000).then(() => {
- console.log(1);
- });
- // Generator
- function* sleepGenerator(time) {
- yield new Promise(function(resolve, reject) {
- setTimeout(resolve, time);
- });
- }
- sleepGenerator(1000)
- .next()
- .value.then(() => {
- console.log(1);
- });
- //async
- function sleep(time) {
- return new Promise(resolve => setTimeout(resolve, time));
- }
- async function output() {
- let out = await sleep(1000);
- console.log(1);
- return out;
- }
- output();
- function sleep(callback, time) {
- if (typeof callback === "function") {
- setTimeout(callback, time);
- }
- }
- function output() {
- console.log(1);
- }
- sleep(output, 1000);
判断是否以某个字符串开头
- String.prototype.startWith = function(s) {
- return this.indexOf(s) == 0;
- };
清除脚本内容
- function stripscript(s) {
- return s.replace(/<script.*?>.*?<\/script>/gi, "");
- }
时间个性化输出功能
- /*
- 1、< 60s, 显示为“刚刚”
- 2、>= 1min && < 60 min, 显示与当前时间差“XX分钟前”
- 3、>= 60min && < 1day, 显示与当前时间差“今天 XX:XX”
- 4、>= 1day && < 1year, 显示日期“XX月XX日 XX:XX”
- 5、>= 1year, 显示具体日期“XXXX年XX月XX日 XX:XX”
- */
- function timeFormat(time) {
- var date = new Date(time),
- curDate = new Date(),
- year = date.getFullYear(),
- month = date.getMonth() + 10,
- day = date.getDate(),
- hour = date.getHours(),
- minute = date.getMinutes(),
- curYear = curDate.getFullYear(),
- curHour = curDate.getHours(),
- timeStr;
- if (year < curYear) {
- timeStr = year + "年" + month + "月" + day + "日 " + hour + ":" + minute;
- } else {
- var pastTime = curDate - date,
- pastH = pastTime / 3600000;
- if (pastH > curHour) {
- timeStr = month + "月" + day + "日 " + hour + ":" + minute;
- } else if (pastH >= 1) {
- timeStr = "今天 " + hour + ":" + minute + "分";
- } else {
- var pastM = curDate.getMinutes() - minute;
- if (pastM > 1) {
- timeStr = pastM + "分钟前";
- } else {
- timeStr = "刚刚";
- }
- }
- }
- return timeStr;
- }
全角转换为半角函数
- function toCDB(str) {
- var result = "";
- for (var i = 0; i < str.length; i++) {
- code = str.charCodeAt(i);
- if (code >= 65281 && code <= 65374) {
- result += String.fromCharCode(str.charCodeAt(i) - 65248);
- } else if (code == 12288) {
- result += String.fromCharCode(str.charCodeAt(i) - 12288 + 32);
- } else {
- result += str.charAt(i);
- }
- }
- return result;
- }
半角转换为全角函数
- function toDBC(str) {
- var result = "";
- for (var i = 0; i < str.length; i++) {
- code = str.charCodeAt(i);
- if (code >= 33 && code <= 126) {
- result += String.fromCharCode(str.charCodeAt(i) + 65248);
- } else if (code == 32) {
- result += String.fromCharCode(str.charCodeAt(i) + 12288 - 32);
- } else {
- result += str.charAt(i);
- }
- }
- return result;
- }
金额大写转换函数
- function transform(tranvalue) {
- try {
- var i = 1;
- var dw2 = new Array("", "万", "亿"); //大单位
- var dw1 = new Array("拾", "佰", "仟"); //小单位
- var dw = new Array(
- "零",
- "壹",
- "贰",
- "叁",
- "肆",
- "伍",
- "陆",
- "柒",
- "捌",
- "玖"
- );
- //整数部分用
- //以下是小写转换成大写显示在合计大写的文本框中
- //分离整数与小数
- var source = splits(tranvalue);
- var num = source[0];
- var dig = source[1];
- //转换整数部分
- var k1 = 0; //计小单位
- var k2 = 0; //计大单位
- var sum = 0;
- var str = "";
- var len = source[0].length; //整数的长度
- for (i = 1; i <= len; i++) {
- var n = source[0].charAt(len - i); //取得某个位数上的数字
- var bn = 0;
- if (len - i - 1 >= 0) {
- bn = source[0].charAt(len - i - 1); //取得某个位数前一位上的数字
- }
- sumsum = sum + Number(n);
- if (sum != 0) {
- str = dw[Number(n)].concat(str); //取得该数字对应的大写数字,并插入到str字符串的前面
- if (n == "0") sum = 0;
- }
- if (len - i - 1 >= 0) {
- //在数字范围内
- if (k1 != 3) {
- //加小单位
- if (bn != 0) {
- str = dw1[k1].concat(str);
- }
- k1++;
- } else {
- //不加小单位,加大单位
- k1 = 0;
- var temp = str.charAt(0);
- if (temp == "万" || temp == "亿")
- //若大单位前没有数字则舍去大单位
- strstr = str.substr(1, str.length - 1);
- str = dw2[k2].concat(str);
- sum = 0;
- }
- }
- if (k1 == 3) {
- //小单位到千则大单位进一
- k2++;
- }
- }
- //转换小数部分
- var strdig = "";
- if (dig != "") {
- var n = dig.charAt(0);
- if (n != 0) {
- strdig += dw[Number(n)] + "角"; //加数字
- }
- var n = dig.charAt(1);
- if (n != 0) {
- strdig += dw[Number(n)] + "分"; //加数字
- }
- }
- str += "元" + strdig;
- } catch (e) {
- return "0元";
- }
- return str;
- }
- //拆分整数与小数
- function splits(tranvalue) {
- var value = new Array("", "");
- temp = tranvalue.split(".");
- for (var i = 0; i < temp.length; i++) {
- value = temp;
- }
- return value;
- }
清除空格
- String.prototype.trim = function() {
- var reExtraSpace = /^\s*(.*?)\s+$/;
- return this.replace(reExtraSpace, "$1");
- };
- // 清除左空格
- function ltrim(s) {
- return s.replace(/^(\s*| *)/, "");
- }
- // 清除右空格
- function rtrim(s) {
- return s.replace(/(\s*| *)$/, "");
- }
随机数时间戳
- function uniqueId() {
- var a = Math.random,
- b = parseInt;
- return (
- Number(new Date()).toString() + b(10 * a()) + b(10 * a()) + b(10 * a())
- );
- }
实现utf8解码
- function utf8_decode(str_data) {
- var tmp_arr = [],
- i = 0,
- ac = 0,
- c1 = 0,
- c2 = 0,
- c3 = 0;
- str_data += "";
- while (i < str_data.length) {
- c1 = str_data.charCodeAt(i);
- if (c1 < 128) {
- tmp_arr[ac++] = String.fromCharCode(c1);
- i++;
- } else if (c1 > 191 && c1 < 224) {
- c2 = str_data.charCodeAt(i + 1);
- tmp_arr[ac++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
- i += 2;
- } else {
- c2 = str_data.charCodeAt(i + 1);
- c3 = str_data.charCodeAt(i + 2);
- tmp_arr[ac++] = String.fromCharCode(
- ((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)
- );
- i += 3;
- }
- }
- return tmp_arr.join("");
- }
以下是Puxiao投稿推荐的几个函数,用作常见的输入值校验和替换操作,主要针对中国大陆地区的校验规则:
校验是否为一个数字,以及该数字小数点位数是否与参数floats一致
校验规则:
- 若参数floats有值,则校验该数字小数点后的位数。
- 若参数floats没有值,则仅仅校验是否为数字。
- function isNum(value,floats=null){
- let regexp = new RegExp(`^[1-9][0-9]*.[0-9]{${floats}}$|^0.[0-9]{${floats}}$`);
- return typeof value === 'number' && floats?regexp.test(String(value)):true;
- }
- function anysicIntLength(minLength,maxLength){
- let result_str = '';
- if(minLength){
- switch(maxLength){
- case undefined:
- result_strresult_str = result_str.concat(`{${minLength-1}}`);
- break;
- case null:
- result_strresult_str = result_str.concat(`{${minLength-1},}`);
- break;
- default:
- result_strresult_str = result_str.concat(`{${minLength-1},${maxLength-1}}`);
- }
- }else{
- result_strresult_str = result_str.concat('*');
- }
- return result_str;
- }
校验是否为非零的正整数
- function isInt(value,minLength=null,maxLength=undefined){
- if(!isNum(value)) return false;
- let regexp = new RegExp(`^-?[1-9][0-9]${anysicIntLength(minLength,maxLength)}$`);
- return regexp.test(value.toString());
- }
校验是否为非零的正整数
- function isPInt(value,minLength=null,maxLength=undefined) {
- if(!isNum(value)) return false;
- let regexp = new RegExp(`^[1-9][0-9]${anysicIntLength(minLength,maxLength)}$`);
- return regexp.test(value.toString());
- }
校验是否为非零的负整数
- function isNInt(value,minLength=null,maxLength=undefined){
- if(!isNum(value)) return false;
- let regexp = new RegExp(`^-[1-9][0-9]${anysicIntLength(minLength,maxLength)}$`);
- return regexp.test(value.toString());
- }
校验整数是否在取值范围内
校验规则:
- minInt为在取值范围中最小的整数
- maxInt为在取值范围中最大的整数
- function checkIntRange(value,minInt,maxInt=9007199254740991){
- return Boolean(isInt(value) && (Boolean(minInt!=undefined && minInt!=null)?value>=minInt:true) && (value<=maxInt));
- }
校验是否为中国大陆手机号
- function isTel(value) {
- return /^1[3,4,5,6,7,8,9][0-9]{9}$/.test(value.toString());
- }
校验是否为中国大陆传真或固定电话号码
- function isFax(str) {
- return /^([0-9]{3,4})?[0-9]{7,8}$|^([0-9]{3,4}-)?[0-9]{7,8}$/.test(str);
- }
校验是否为邮箱地址
- function isEmail(str) {
- return /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/.test(str);
- }
校验是否为QQ号码
校验规则:
- 非0开头的5位-13位整数
- function isQQ(value) {
- return /^[1-9][0-9]{4,12}$/.test(value.toString());
- }
校验是否为网址
校验规则:
- 以https://、http://、ftp://、rtsp://、mms://开头、或者没有这些开头
- 可以没有www开头(或其他二级域名),仅域名
- 网页地址中允许出现/%*?@&等其他允许的符号
- function isURL(str) {
- return /^(https:\/\/|http:\/\/|ftp:\/\/|rtsp:\/\/|mms:\/\/)?[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/.test(str);
- }
校验是否为不含端口号的IP地址
校验规则:
- IP格式为xxx.xxx.xxx.xxx,每一项数字取值范围为0-255
- 除0以外其他数字不能以0开头,比如02
- function isIP(str) {
- return /^((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])$/.test(str);
- }
校验是否为IPv6地址
校验规则:
- 支持IPv6正常格式
- 支持IPv6压缩格式
- function isIPv6(str){
- return Boolean(str.match(/:/g)?str.match(/:/g).length<=7:false && /::/.test(str)?/^([\da-f]{1,4}(:|::)){1,6}[\da-f]{1,4}$/i.test(str):/^([\da-f]{1,4}:){7}[\da-f]{1,4}$/i.test(str));
- }
校验是否为中国大陆第二代居民身份证
校验规则:
- 共18位,最后一位可为X(大小写均可)
- 不能以0开头
- 出生年月日会进行校验:年份只能为18/19/2*开头,月份只能为01-12,日只能为01-31
- function isIDCard(str){
- return /^[1-9][0-9]{5}(18|19|(2[0-9]))[0-9]{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)[0-9]{3}[0-9Xx]$/.test(str);
- }
校验是否为中国大陆邮政编码
参数value为数字或字符串
校验规则:
- 共6位,且不能以0开头
- function isPostCode(value){
- return /^[1-9][0-9]{5}$/.test(value.toString());
- }
校验两个参数是否完全相同,包括类型
校验规则:
- 值相同,数据类型也相同
- function same(firstValue,secondValue){
- return firstValue===secondValue;
- }
校验字符的长度是否在规定的范围内
校验规则:
- minInt为在取值范围中最小的长度
- maxInt为在取值范围中最大的长度
- function lengthRange(str,minLength,maxLength=9007199254740991) {
- return Boolean(str.length >= minLength && str.length <= maxLength);
- }
校验字符是否以字母开头
校验规则:
- 必须以字母开头
- 开头的字母不区分大小写
- function letterBegin(str){
- return /^[A-z]/.test(str);
- }
校验字符是否为纯数字(整数)
校验规则:
- 字符全部为正整数(包含0)
- 可以以0开头
- function pureNum(str) {
- return /^[0-9]*$/.test(str);
- }
- function anysicPunctuation(str){
- if(!str) return null;
- let arr = str.split('').map(item => {
- return item = '\\' + item;
- });
- return arr.join('|');
- }
- function getPunctuation(str){
- return anysicPunctuation(str) || '\\~|\\`|\\!|\\@|\\#|\\$|\\%|\\^|\\&|\\*|\\(|\\)|\\-|\\_|\\+|\\=|\\||\\\|\\[|\\]|\\{|\\}|\\;|\\:|\\"|\\\'|\\,|\\<|\\.|\\>|\\/|\\?';
- }
- function getExcludePunctuation(str){
- let regexp = new RegExp(`[${anysicPunctuation(str)}]`,'g');
- return getPunctuation(' ~`!@#$%^&*()-_+=\[]{};:"\',<.>/?'.replace(regexp,''));
- }
返回字符串构成种类(字母,数字,标点符号)的数量
LIP缩写的由来:L(letter 字母) + I(uint 数字) + P(punctuation 标点符号)
参数punctuation的说明:
- punctuation指可接受的标点符号集
- 若需自定义符号集,例如“仅包含中划线和下划线”,将参数设置为"-_"即可
- 若不传值或默认为null,则内部默认标点符号集为除空格外的其他英文标点符号:~`!@#$%^&*()-_+=[]{};:"',<.>/?
- function getLIPTypes(str,punctuation=null){
- let p_regexp = new RegExp('['+getPunctuation(punctuation)+']');
- return /[A-z]/.test(str) + /[0-9]/.test(str) + p_regexp.test(str);
- }
校验字符串构成的种类数量是否大于或等于参数num的值。 通常用来校验用户设置的密码复杂程度。
校验规则:
- 参数num为需要构成的种类(字母、数字、标点符号),该值只能是1-3。
- 默认参数num的值为1,即表示:至少包含字母,数字,标点符号中的1种
- 若参数num的值为2,即表示:至少包含字母,数字,标点符号中的2种
- 若参数num的值为3,即表示:必须同时包含字母,数字,标点符号
- 参数punctuation指可接受的标点符号集,具体设定可参考getLIPTypes()方法中关于标点符号集的解释。
- function pureLIP(str,num=1,punctuation=null){
- let regexp = new RegExp(`[^A-z0-9|${getPunctuation(punctuation)}]`);
- return Boolean(!regexp.test(str) && getLIPTypes(str,punctuation)>= num);
- }
清除所有空格
- function clearSpaces(str){
- return str.replace(/[ ]/g,'');
- }
清除所有中文字符(包括中文标点符号)
- function clearCNChars(str){
- return str.replace(/[\u4e00-\u9fa5]/g,'');
- }
清除所有中文字符及空格
- function clearCNCharsAndSpaces(str){
- return str.replace(/[\u4e00-\u9fa5 ]/g,'');
- }
除保留标点符号集以外,清除其他所有英文的标点符号(含空格)
全部英文标点符号为: ~`!@#$%^&*()-_+=[]{};:"',<.>/?
参数excludePunctuation指需要保留的标点符号集,例如若传递的值为'_',即表示清除_以外的其他所有英文标点符号。
- function clearPunctuation(str,excludePunctuation=null){
- let regexp = new RegExp(`[${getExcludePunctuation(excludePunctuation)}]`,'g');
- return str.replace(regexp,'');
- }
校验是否包含空格
- function haveSpace(str) {
- return /[ ]/.test(str);
- }
校验是否包含中文字符(包括中文标点符号)
- function haveCNChars(str){
- return /[\u4e00-\u9fa5]/.test(str);
- }