网站后台管理系统模块,wordpress改变访问目录结构,wordpress分享有礼,网站的建设方面简介#xff1a;本文收集了我常用的JavaScript代码片段#xff0c;欢迎提意见#xff01; 大灰狼边敲门边说#xff1a;“小兔子乖乖#xff0c;把门儿开开#xff01;”
小兔子听到后#xff0c;连忙去开门#xff1a;“来喽#xff01;”
兔妈妈对小兔子喊道#x…简介本文收集了我常用的JavaScript代码片段欢迎提意见 大灰狼边敲门边说“小兔子乖乖把门儿开开”
小兔子听到后连忙去开门“来喽”
兔妈妈对小兔子喊道“不许开是大灰狼”
大灰狼在门口感叹道“哎骗一个女孩容易骗一个女人难呀” JavaScript动态加载 //NO.1
function loadScript(url, callback){var script document.createElement (script)script.type text/javascript;if (script.readyState){ //IEscript.onreadystatechange function(){if (this.readyState loaded || this.readyState complete){this.onreadystatechange null;callback();}};} else { //Othersscript.onload function(){callback();};}script.src url;document.getElementsByTagName(head)[0].appendChild(script);
}//NO.2
function loadScript(url, callback){var xhr new XMLHttpRequest();xhr.open(get, url, true);xhr.onreadystatechange function(){if (xhr.readyState 4){if (xhr.status 200 xhr.status 300 || xhr.status 304){var script document.createElement (script);script.type text/javascript;script.text xhr.responseText;document.body.appendChild(script);callback();}}};xhr.send(null);
} View Code DOM加载完执行 function domLoad(fn){if(document.addEventListener){document.addEventListener(DOMContentLoaded, fn, false);}else{if(window.ActiveXObject){document.write(script idie_onload defer srcjavascript:void(0)\/script);document.getElementById(ie_onload).onreadystatechange function(){if(this.readyState complete){this.onreadystatechange null;fn();}}}if(/WebKit/i.test(navigator.userAgent)){var _timer setInterval(function(){if(/loaded|complete/.test(document.readyState)){clearInterval(_timer);fn();}}, 10);}}
} View Code 是否标准模式(IE) function isCompatMode(){return document.compatMode CSS1Compat;} View Code Link规则操作 //添加第一条规则
//insertRule(sheet, body, background-color:red, 0);
function insertRule(sheet, selectorText, cssText, position) {if (sheet.insertRule) {sheet.insertRule(selectorText { cssText }, position);} else if (sheet.addRule) {sheet.addRule(selectorText, cssText, position);}
}//删除第一条规则
//deleteRule(sheet, 0);
function deleteRule(sheet, position) {if (sheet.deleteRule) {sheet.deleteRule(position);} else if (sheet.removeRule) {sheet.removeRule(position);}
} View Code 加载样式表 function addSheet(url){var oLink document.createElement(link),oHead document.getElementsByTagName(head)[0];oLink.rel stylesheet;oLink.type text/css;oLink.href url;oHead.appendChild(oLink);
} View Code 获取CSS样式 function getStyle(o, attr){if(o.currentStyle){return o.currentStyle[attr];}else{return getComputedStyle(o,false)[attr];}
} View Code getByClass function getElementsByClassName(classname, parent, nodename) {var parent parent || document, nodename nodename || *;if(parent.getElementsByClassName){return parent.getElementsByClassName(classname);}else{var l parent.getElementsByTagName(nodename);return function () {var res [];for (var i 0, j l.length; i j; i) {if (l[i].className){var name l[i].className ;if (name.indexOf( classname ) ! -1) {res.push(l[i]);}}}return res;} ();}
} View Code hasClass function hasClass (element, className){return element.className.match(new RegExp((\\s|^) className (\\s|$)));
} View Code addClass function addClass(element, cName) {if (!hasClass(element, cName)) {element.className cName;}
} View Code removeClass function removeClass(element, cName) {if (hasClass(element, cName)) {element.className element.className.replace(new RegExp((\\s|^) cName (\\s|$)), );}
} View Code JSONP调用 script srchttp://www.xxx.com?namefnCall/script
script
function fnCall(info){// 在前台提供一个方法fnCall的方法// http://www.xxx.com?namefnCall 在(后台/其他页面)自动获取fnCall的名字并且执行
}
/script View Code 获取服务器时间 function getNowDate(callback){var xhr new XMLHttpRequest();xhr.open(get, null.txt, true); //null.txt不存在我们不需要xhr.onreadystatechange function(){if(xhr.readyState 3){ //状态3响应callback(xhr.getResponseHeader(Date)); //返回时间那么可以利用获得的时间做倒计时程序了。}};xhr.send(null);
} View Code Cookie操作 function Cookie(name, value, options){if(typeof value ! undefined){options options || {};if(value null){options.expires -1; //过期}var expires ;//存在时间选项if(options.expires (typeof options.expires number || options.expires.toUTCString)){var date;if(typeof options.expires number){date new Date();date.setTime(date.getTime() (options.expires * 24 * 60 * 60 * 1000));}else{date options.expires;}expires ; expiresdate.toUTCString();}var path options.path ? ; pathoptions.path : ;var domain options.domain ? ; domainoptions.domain : ;var secure options.secure ? ; secure : ;//写入cookiedocument.cookie [name, , encodeURIComponent(value), expires, path, domain, secure].join();}else{//读取cookievar cookValue null;if(document.cookie document.cookie ! ){var cookie document.cookie.split(;);for(var i 0, len cookie.length; i len; i){var c cookie[i].replace(/^\s|\s$/g, );if(c.substring(0, name.length 1) (name )){cookValue decodeURIComponent(c.substring(name.length 1));break;}}}return cookValue;}
}
//设置
Cookie(user, Jununx);
//获取
Cookie(user);
//删除
Cookie(user, null); View Code base64编码解码 function b64Encode(str) {return btoa(unescape(encodeURIComponent(str)));
}function b64Decode(str) {return decodeURIComponent(escape(atob(str)));
} View Code 浏览器判断 var browser function() {var u navigator.userAgent.toLowerCase();return { version: (u.match(/.(?:rv|it|ra|ie|chrome|micromessenger|version)[\/: ]([\d.])/) || [])[1], safari: /safari/.test(u) !/chrome/.test(u), opera: /opera/.test(u), msie: /msie|like gecko$/.test(u) !/opera/.test(u), firefox: /firefox/.test(u) !/(compatible|webkit)/.test(u),chrome: /chrome/.test(u) /safari/.test(u), mobile: !!/applewebkit.*mobile.*/.test(u),ios: !!/\(i[^;];( u;)? cpu.mac os x/.test(u),android: /android|linux/.test(u), // android或uciPhone: /iphone/.test(u),iPad: /ipad/.test(u),weChat: /micromessenger/.test(u) // 微信};
}; View Code IE版本判断 var _IE (function(){var v 3, div document.createElement(div), all div.getElementsByTagName(i);while (div.innerHTML !--[if gt IE (v) ]i/i![endif]--,all[0]);return v 4 ? v : false ;
}()); View Code 阶乘缓存 function memfactorial(n){if(!memfactorial.cache){memfactorial.cache {0 : 1,1 : 1};}if(!memfactorial.cache.hasOwnProperty(n)){memfactorial.cache[n] n * memfactorial(n - 1);}return memfactorial.cache[n];
} View Code 获取字符串长度 // NO.1
String.prototype.sLen function(){var b 0, l this.length;if(l){for(var i 0; i l; i){if(this.charCodeAt(i) 255){b 2;}else{b ;}}return b;}else{return 0;}
};// NO.2
String.prototype.sLen function(){var b 0, l this.length;if(l){for(var i 0; i l; i){var c this.charAt(i);if(escape(c).length 4){b 2;}else if(c ! \r){b ;}}return b;}else{return 0;}
};// NO.3
String.prototype.sLen function(){var b 0, l this.length;if(l){for(var i 0; i l; i){var c this.charAt(i);if(/^[\u0000-\u00ff]$]/.test(c)){b ;}else if(c ! \r){b 2;}}return b;}else{return 0;}
};// NO.4
String.prototype.sLen function(){var s this.replace(/[^\x00-\xff]/g, **);return s.length;
}; View Code 判断数据类型 var isType function(obj, type){return Object.prototype.toString.call(obj) [object type ];
}; View Code 获取窗口位置 function sereen(){return {left : window.screenLeft || window.scrollX,top : window.screenTop || window.scrollY};
} View Code 获取可视窗口大小 function client(){//IE6不加dtd会进入怪癖模式client需要通过document.body获取return {width : document.documentElement.clientWidth || document.body.clientWidth,height : document.documentElement.clientHeight || document.body.clientHeight};
} View Code 获取scrollTop function getScrollTop(){if(typeof pageYOffset! undefined){return pageYOffset;} else {return (document.body || document.documentElement).scrollTop;}
} View Code 滚动到指定区域 el.scrollIntoView() View Code 今天星期几 今天是星期 天一二三四五六.charAt(new Date().getDay()) View Code 页面是否在iframe里 if(selftop){//not in iframe
}else{//in iframe
} View Code 返回最小值~最大值之间随机数 function random(min, max) {return Math.floor(Math.random() * (max - min 1) min);
} View Code 数组去重 // NO.1
Array.prototype.unique function() {for(var i0, len this.length; ilen; i) {for(var ji1; jlen; j) {if(this[i] this[j])this.splice(j, 1);}}return this;
};
// [a,a,b].unique();// NO.2
Array.prototype.unique function (){var that this, temp {}, result [];for(var i 0, len that.length; i len; i) {if(!temp[typeof (that[i])that[i]]){result.push(that[i]);temp[typeof(that[i])that[i]] 1;}}return result;
}
// [a,a,b].unique(); View Code 数组快排 function quickSort(arr) {if (arr.length 2) {return arr;}var pivotIndex Math.floor(arr.length / 2);var pivot arr.splice(pivotIndex, 1)[0];var left [];var right [];for (var i 0, j arr.length; i j; i) {if (arr[i] pivot) {left.push(arr[i]);} else {right.push(arr[i]);}}return quickSort(left).concat([pivot], quickSort(right));
}
var test quickSort([1,9,2,8,3,7,4,6,5]); View Code 将arguments转换成数组 var arr Array.prototype.slice.call(arguments, 0); View Code 数组随机排序 var arr [1, 2, 3, 4, 5];
arr.sort(function(){return (Math.random() - 0.5);
}); View Code 获取数组中最小/大值 var max Math.max.apply(null, array);
var min Math.min.apply(null, array); View Code 数组index function index(t, arr){if(arr.indexOf){return arr.indexOf(t);}for(var i arr.length ; i--; ){if(arr[i]t){return i*1;}}return -1;
} View Code 多维数组转一维数组 function arr2ToArr(arr){return arr.toString().split(,);
} View Code 选择数组中两数之和等于某值的情况 // NO.1
var arr [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], result [], count 10;
for(var i 0, len arr.length; i len; i ){for(var j i 1; j len; j ){if(arr[i] arr[j] count){result.push([arr[i], arr[j]]);}}
}// NO.2
var arr [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], result [], count 10;
for(var i 0, len Math.round(arr.length/2); i len; i ){if(arr.indexOf(count - arr[i]) ! -1){result.push([arr[i], count - arr[i]]);}
} View Code 数字金额转换成大写 function digit_uppercase(n) {var fraction [角, 分];var digit [零, 壹, 贰, 叁, 肆,伍, 陆, 柒, 捌, 玖];var unit [[元, 万, 亿],[, 拾, 佰, 仟]];var head n 0? 欠: ;n Math.abs(n);var s ;for (var i 0; i fraction.length; i) {s (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] fraction[i]).replace(/零./, );}s s || 整;n Math.floor(n);for (var i 0; i unit[0].length n 0; i) {var p ;for (var j 0; j unit[1].length n 0; j) {p digit[n % 10] unit[1][j] p;n Math.floor(n / 10);}s p.replace(/(零.)*零$/, ).replace(/^$/, 零) unit[0][i] s;}return head s.replace(/(零.)*零元/, 元).replace(/(零.)/g, 零).replace(/^整$/, 零元整);
} View Code 日期格式化 Date.prototype.toStringfunction(format,loc){var time{};time.Yearthis.getFullYear();time.TYear(time.Year).substr(2);time.Monththis.getMonth()1;time.TMonthtime.Month10?0time.Month:time.Month;time.Daythis.getDate();time.TDaytime.Day10?0time.Day:time.Day;time.Hourthis.getHours();time.THourtime.Hour10?0time.Hour:time.Hour;time.hourtime.Hour13?time.Hour:time.Hour-12;time.Thourtime.hour10?0time.hour:time.hour;time.Minutethis.getMinutes();time.TMinutetime.Minute10?0time.Minute:time.Minute;time.Secondthis.getSeconds();time.TSecondtime.Second10?0time.Second:time.Second;time.Millisecondthis.getMilliseconds();time.Weekthis.getDay();var MMMArrEn[Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec];var MMMArr[一月,二月,三月,四月,五月,六月,七月,八月,九月,十月,十一月,十二月];var WeekArrEn[Sun,Mon,Tue,Web,Thu,Fri,Sat];var WeekArr[星期日,星期一,星期二,星期三,星期四,星期五,星期六];var oNumbertime.Millisecond/1000;if(format!undefined format.replace(/\s/g,).length0){if(loc!undefined loc en){MMMArrMMMArrEn.slice(0);WeekArrWeekArrEn.slice(0);}formatformat.replace(/yyyy/ig,time.Year).replace(/yyy/ig,time.Year).replace(/yy/ig,time.TYear).replace(/y/ig,time.TYear).replace(/MMM/g,MMMArr[time.Month-1]).replace(/MM/g,time.TMonth).replace(/M/g,time.Month).replace(/dd/ig,time.TDay).replace(/d/ig,time.Day).replace(/HH/g,time.THour).replace(/H/g,time.Hour).replace(/hh/g,time.Thour).replace(/h/g,time.hour).replace(/mm/g,time.TMinute).replace(/m/g,time.Minute).replace(/ss/ig,time.TSecond).replace(/s/ig,time.Second).replace(/fff/ig,time.Millisecond).replace(/ff/ig,oNumber.toFixed(2)*100).replace(/f/ig,oNumber.toFixed(1)*10).replace(/EEE/g,WeekArr[time.Week]);}else{formattime.Year-time.Month-time.Day time.Hour:time.Minute:time.Second;}return format;
}var dnew Date();
console.log(d.toString()); //2012-7-27 9:26:52
console.log(d.toString()); //2012-7-27 9:26:52
console.log(d.toString(yyyy-MM-dd HH:mm:ss)); //2012-07-27 09:26:52
console.log(d.toString(yyyy年MM月dd日 HH:mm:ss)); //2012年07月27日 09:26:52
console.log(d.toString(yyyy-MM-dd HH:mm:ss fff)); //2012-07-27 09:26:52 237
console.log(d.toString(yyyy年 MMM dd EEE)); //2012年 七月 27 星期五
console.log(d.toString(yyyy MMM dd EEE,en)); //2012 Jul 27 Fri View Code 五种继承方式 //构造函数的继承的五种方式
function Animal() {this.species dong wu;
}// NO.1 构造函数绑定
function Cat(name, color) {Animal.apply(this, arguments);this.name name;this.color color;
}// NO.2 prototype模式
function Cat (name, color) {this.name name;this.color color;
}
Cat.prototype new Animal();
Cat.prototype.constructor Cat;// NO.3 直接继承prototype
function Cat(name, color) {this.name name;this.color color;
}
Cat.prototype Animal.prototype;
Cat.prototype.constructor Cat;// NO.4 利用空对象做中介
function Cat(name, color) {this.name name;this.color color;
}function F(){}
F.prototype Animal.prototype;Cat.prototype new F();
Cat.prototype.constructor Cat;// NO.5 拷贝继承
function Cat(name, color) {this.name name;this.color color;
}function extend(Child, Parent) {var p Parent.prototype;var c Child.prototype;for (var i in p) {c[i] p[i];}c.uber p;
}
extend(Cat, Animal); View Code 根据生日算年龄 function getAge(dateString) {var today new Date();var birthDate new Date(dateString);var age today.getFullYear() - birthDate.getFullYear();var m today.getMonth() - birthDate.getMonth();if (m 0 || (m 0 today.getDate() birthDate.getDate())) {age--;}return age;
}
console.log(getAge(1990,1,12)); View Code 事件绑定 var events (function(win){// 事件绑定function on(el, ev, fn){if(el.addEventlistener){on function (el, ev, fn) {el.addEventlistener(ev, fn, false);};} else if(el.attachEvent){on function(el, ev, fn){el.attachEvent(on ev, function(){fn.call(el); // IE This});};} else {on function(el, ev, fn){el[on ev] fn;};}on(el, ev, fn);}// 解除事件绑定function off(el, ev, fn){if(el.removeEventlistener){off function (el, ev, fn) {el.removeEventlistener(ev, fn, false);};} else if(el.detachEvent){off function(el, ev, fn){el.detachEvent(on ev, fn);};} else {off function(el, ev){el[on ev] null;};}off(el, ev, fn);}// 获取事件对象function getEvent(ev){return ev || win.event;}// 获取事件目标function getTarget(ev){return ev.target || ev.srcElement;}// 获取键值function getKeyCode(ev){if (typeof ev.charCode number){getKeyCode function(ev){return ev.charCode;};} else {getKeyCode function(ev){return ev.keyCode;};}getKeyCode(ev);}// 阻止默认行为function preventDefault(ev){if(ev.preventDefault){preventDefault function(ev){ev.preventDefault();};} else {preventDefault function(ev){ev.returnValue false;};}preventDefault(ev);}// 阻止冒泡function stopPropagation(ev){if(ev.stopPropagation){stopPropagation function(ev){ev.stopPropagation();};} else {stopPropagation function(ev){ev.cancelBubble true;};}stopPropagation(ev);}return {on: on,off: off,getEvent: getEvent,getTarget: getTarget,getKeyCode: getKeyCode,preventDefault: preventDefault,stopPropagation: stopPropagation};
}(window)); View Code 自定义事件 var EventHandlers {events: {},fire: function(ev, arg){if(this.events[ev]){var e this.events[ev];for(var i 0, len e.length; i len; i){e[i](arg);}}},on: function(ev, fn){if(!this.events[ev]){this.events[ev] [];}this.events[ev].push(fn);},off: function(ev, fn){if(this.events[ev]){var e this.events[ev];for(var i 0, len e.length; i len; i){if(e[i] fn){e.splice(i, 1);break;}}}}
}; View Code 加载获取图片尺寸 var img new Image();
img.onload function() {console.log(this.width x this.height);
} View Code Object.create var create Object.create || function(o){var F function(o){};F.prototype o;return new F;
}; View Code Object.prototype.bind var bind Object.prototype.bind || function (scope) {var fn this;return function () {return fn.apply(scope);};
}; View Code 设置选定文本 //选定文本
function setSelectText(text, start, num) {if (text.setSelectionRange) {text.setSelectionRange(start,num);text.focus();} else if (text.createTextRange) {var range text.createTextRange();range.collapse(true);range.moveStart(character,start);range.moveEnd(character,num - start); //用最后的位置 - 开始的位置 个数range.select();}
} View Code 获取选择文本 function getSelectedText(id){var o document.getElementById(id);if(window.getSelection) {if(o.selectionStart ! undefined o.selectionEnd ! undefined){return o.value.substring(o.selectionStart, o.selectionEnd);}}else{return document.selection.createRange().text;}
} View Code 在光标位置插入字符串 // 光标位置插入字符串
function insertHtmlAtCursor(id, text){var o document.getElementById(id);if (document.selection){o.focus();document.selection.createRange().text text;o.focus();}else if (o.selectionStart) {var start o.selectionStart, end o.selectionEnd;o.value o.value.substring(0, start) text o.value.substring(end, o.value.length);}
} View Code 在url中查找指定参数的值 function getQuery(){var s (location.search.length 0 ? location.search.substring(1) : ),res {},items s.length ? s.split() : [],item null, name null, value null,i, len items.length;for (i 0; i len; i){item items[i].split();name decodeURIComponent(item[0]);value decodeURIComponent(item[1]);if(name.length){res[name] value;}}return res;
} View Code IE6里a:hover图片缓存 document.execCommand(BackgroundImageCache,false,true); View Code 反转文本顺序 String.prototype.reverse function (){if(this.length 2){return this;}var str this.split(), result , len this.length - 1;while(len 0){result this[len];len --;}return result;
}反转文本顺序.reverse(); View Code 清除空格 String.prototype.trim String.trim || function() {return this.replace(/^\s*(.*?)\s$/, $1)
}; View Code 加入收藏 function addFavorite(url, title) {try {window.external.addFavorite(url, title);} catch(e) {try {window.sidebar.addPanel(title, url, );} catch(e) {alert(加入收藏失败请使用CtrlD进行添加);}}
} View Code 设为首页 function setHomepage(url) {if (document.all) {document.body.style.behavior url(#default#homepage);document.body.setHomePage(url)} 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, url)}
} View Code insertAfter function insertAfter(newChild,refChild){var parElemrefChild.parentNode;if(parElem.lastChildrefChild){refChild.appendChild(newChild);}else{parElem.insertBefore(newChild,refChild.nextSibling);}
} View Code innerText操作 //获取innertext
function getInnerText(element) {if (typeof element.textContent string) {return element.textContent;} else {return element.innerText;}
}
//设置innertext
function setInnerText(element, text) {if (typeof element.textContent string) {element.textContent text;} else {element.innerText text;}
} View Code 获取offsetTop //获取offsetTop
function offsetTop(element) {var top element.offsetTop; //第一层的距离var parent element.offsetParent;while (parent ! null) {top parent.offsetTop;parent parent.offsetParent;}return top;
} View Code 构建字符串的最优方法 var arr [item 1, item 2, item 3, ...];
var list ulli arr.join(/lili) /li/ul; View Code 获取字符串中出现次数最多的字符 // NO.1
String.prototype.strCount function (){var num 0, val , result null, temp , that this;while (that) {temp that;val that.substr(0, 1);that that.replace(new RegExp(val, g), );if (temp.length - that.length num) {num temp.length - that.length;result {val:val, num: num};}}return result;
};// NO.2
String.prototype.strCount function (){var obj {}, num 0, val ;for(var i 0, len this.length; i len; i1){if(!obj[this[i]]){obj[this[i]] [];}obj[this[i]].push(this[i]);}for(var arr in obj){if(num obj[arr].length){num obj[arr].length;val obj[arr][0];}}return {val:val, num: num};
};// NO.3
function strCount(str){var o {}, ret {name: , num: 0};for(var i 0, len str.length; i len; i){if( o[str[i]] ) {o[str[i]];}else{o[str[i]] 1;}if(ret.num o[str[i]]){ret.name str[i];ret.num o[str[i]];}}return ret;}// NO.4
function strCount(str){var ret {name: , num: 0};str.split().sort().join().replace(/(\w)\1/g, function($0, $1){if ( ret.num $0.length ) {ret.num $0.length;ret.name $1;}});return ret;
} View Code 对象深度clone var cloneObj function(obj){var newobj, s;if(typeof obj ! object){return;}newobj obj.constructor Object ? {} : [];if(window.JSON){s JSON.stringify(obj), //系列化对象newobj JSON.parse(s); //反系列化还原}else{if(newobj.constructor Array){newobj.concat(obj);}else{for(var i in obj){newobj[i] obj[i];}}}return newobj;
}; View Code 千分位表示 // NO.1
function millesimal(v){var num v.length%3, prev , next v.substring(num), arr [];if(num ! 0){prev v.substring(0, num);arr.push(prev);}for(var i 0, len next.length; i len; i 3){arr.push(next.substr(i,3))}return arr.join();
}// NO.2
function millesimal(v){return v.toString().replace(/(?(?!\b)(\d{3})$)/g, ,);
}// NO.3
function millesimal(v){return v.toString().replace(/\B(?(\d{3})$)/g, ,);
} View Code 替换全部 String.prototype.replaceAll function(s1, s2) {return this.replace(new RegExp(s1, gm), s2)
} View Code HTML转义 // 转义html标签
function HtmlEncode(text) {return text.replace(//g, amp).replace(/\/g, quot;).replace(//g, lt;).replace(//g, gt;)
}
// 还原html标签
function HtmlDecode(text) {return text.replace(/amp;/g, ).replace(/quot;/g, \).replace(/lt;/g, ).replace(/gt;/g, )
} View Code 随机字符串字母数字 function randomStringNum(len) {var ret ;for( ; ret.length len; ret Math.random().toString(36).substr(2));return ret.substr(0, len);
} View Code 随机颜色 // (0xffffff1) 表示颜色最大值(0x000000 ~ 0xffffff1)
// 0 表示左移一位将颜色16进制的颜色值转成整型
// toString(16) 表示再将整型的颜色值转成16进制
// slice(-6) 表示生成的16进制值少于6位时首尾依次补0
var getRandomColor function(){return #(00000(Math.random()*(0xffffff1)0).toString(16)).slice(-6);
}; View Code curry function currying(fn) {var args [].slice.call(arguments, 1);return function() {var newArgs args.concat([].slice.call(arguments));return fn.apply(null, newArgs);}
}// use
var test currying(function() {console.log(arguments);
}, a);test(1); View Code uncurrying Function.prototype.uncurrying function(){var self this;return function(){return Function.prototype.call.apply(self, arguments);}
}; View Code 函数节流 // 函数节流
var throttle function(fn, interval){var self fn,timer,firstTime true;return function(){var args arguments,that this;if(firstTime){self.apply(that, args);return firstTime false;}if(timer){return false;}timer setTimeout(function(){clearTimeout(timer);timer null;self.apply(that, args);}, interval || 500);};
}; View Code 分时调用 /*** [timeChunk 分时调用]* param {[type]} arr [数据]* param {Function} fn [处理函数]* param {[type]} count [执行次数]*/
var timeChunk function(arr, fn, count){var obj, t, len arr.length;var start function(){for (var i 0, obj; i Math.min(count || 1, arr.length); i){obj arr.shift();fn(obj);}};return function(){t setInterval(function(){if (arr.length 0){return clearInterval(t);}start();}, 200);};
}; View Code 单例模式抽象 // 单例模式抽象
var getSingle function(fn){var res;return function(){return res || (res fn.apply(this, arguments)); }
}; View Code 转载于:https://www.cnblogs.com/jununx/p/3612280.html
