Javascript总结（全）
2024-09-03 13:21:28
说明
个人感觉总结得很好忍不住要分享，转载自github地址，作者博客原文发现打不开，于是复制粘贴到此处，如有侵权，请联系本人删除。
Type
class TypeFn {
isString (o) { //是否字符串
return Object.prototype.toString.call(o).slice(, -) === 'String'
}
isNumber (o) { //是否数字
return Object.prototype.toString.call(o).slice(, -) === 'Number'
}
isBoolean (o) { //是否boolean
return Object.prototype.toString.call(o).slice(, -) === 'Boolean'
}
isFunction (o) { //是否函数
return Object.prototype.toString.call(o).slice(, -) === 'Function'
}
isNull (o) { //是否为null
return Object.prototype.toString.call(o).slice(, -) === 'Null'
}
isUndefined (o) { //是否undefined
return Object.prototype.toString.call(o).slice(, -) === 'Undefined'
}
isObj (o) { //是否对象
return Object.prototype.toString.call(o).slice(, -) === 'Object'
}
isArray (o) { //是否数组
return Object.prototype.toString.call(o).slice(, -) === 'Array'
}
isDate (o) { //是否时间
return Object.prototype.toString.call(o).slice(, -) === 'Date'
}
isRegExp (o) { //是否正则
return Object.prototype.toString.call(o).slice(, -) === 'RegExp'
}
isError (o) { //是否错误对象
return Object.prototype.toString.call(o).slice(, -) === 'Error'
}
isSymbol (o) { //是否Symbol函数
return Object.prototype.toString.call(o).slice(, -) === 'Symbol'
}
isPromise (o) { //是否Promise对象
return Object.prototype.toString.call(o).slice(, -) === 'Promise'
}
isSet (o) { //是否Set对象
return Object.prototype.toString.call(o).slice(, -) === 'Set'
}
isFalse (o) {
if (o == '' || o == undefined || o == null || o == 'null' || o == 'undefined' || o == || o == false || o == NaN) return true
return false
}
isTrue (o) {
return !this.isFalse(o)
}
isIos () {
var u = navigator.userAgent;
if (u.indexOf('Android') > - || u.indexOf('Linux') > -) {//安卓手机
// return "Android";
return false
} else if (u.indexOf('iPhone') > -) {//苹果手机
// return "iPhone";
return true
} else if (u.indexOf('iPad') > -) {//iPad
// return "iPad";
return false
} else if (u.indexOf('Windows Phone') > -) {//winphone手机
// return "Windows Phone";
return false
}else{
return false
}
}
isPC () { //是否为PC端
var userAgentInfo = navigator.userAgent;
var Agents = ["Android", "iPhone",
"SymbianOS", "Windows Phone",
"iPad", "iPod"];
var flag = true;
for (var v = ; v < Agents.length; v++) {
if (userAgentInfo.indexOf(Agents[v]) > ) {
flag = false;
break;
}
}
return flag;
}
browserType(){
var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
var isOpera = userAgent.indexOf("Opera") > -; //判断是否Opera浏览器
var isIE = userAgent.indexOf("compatible") > - && userAgent.indexOf("MSIE") > - && !isOpera; //判断是否IE浏览器
var isIE11 = userAgent.indexOf('Trident') > - && userAgent.indexOf("rv:11.0") > -;
var isEdge = userAgent.indexOf("Edge") > - && !isIE; //判断是否IE的Edge浏览器
var isFF = userAgent.indexOf("Firefox") > -; //判断是否Firefox浏览器
var isSafari = userAgent.indexOf("Safari") > - && userAgent.indexOf("Chrome") == -; //判断是否Safari浏览器
var isChrome = userAgent.indexOf("Chrome") > - && userAgent.indexOf("Safari") > -; //判断Chrome浏览器
if (isIE) {
var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
reIE.test(userAgent);
var fIEVersion = parseFloat(RegExp["$1"]);
if(fIEVersion == ) return "IE7"
else if(fIEVersion == ) return "IE8";
else if(fIEVersion == ) return "IE9";
else if(fIEVersion == ) return "IE10";
else return "IE7以下"//IE版本过低
}
if (isIE11) return 'IE11';
if (isEdge) return "Edge";
if (isFF) return "FF";
if (isOpera) return "Opera";
if (isSafari) return "Safari";
if (isChrome) return "Chrome";
}
checkStr (str, type) {
switch (type) {
case 'phone': //手机号码
return /^[|||||][-]{}$/.test(str);
case 'tel': //座机
return /^(\d{,}-\d{,})(-\d{,})?$/.test(str);
case 'card': //身份证
return /(^\d{}$)|(^\d{}$)|(^\d{}(\d|X|x)$)/.test(str);
case 'pwd': //密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线
return /^[a-zA-Z]\w{,}$/.test(str)
case 'postal': //邮政编码
return /[-]\d{}(?!\d)/.test(str);
case 'QQ': //QQ号
return /^[-][-]{,}$/.test(str);
case 'email': //邮箱
return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
case 'money': //金额(小数点2位)
return /^\d*(?:\.\d{,})?$/.test(str);
case 'URL': //网址
return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
case 'IP': //IP
return /((?:(?:[-]|[-]\\d|[]?\\d?\\d)\\.){}(?:[-]|[-]\\d|[]?\\d?\\d))/.test(str);
case 'date': //日期时间
return /^(\d{})\-(\d{})\-(\d{}) (\d{})(?:\:\d{}|:(\d{}):(\d{}))$/.test(str) || /^(\d{})\-(\d{})\-(\d{})$/.test(str)
case 'number': //数字
return /^[-]$/.test(str);
case 'english': //英文
return /^[a-zA-Z]+$/.test(str);
case 'chinese': //中文
return /^[\u4E00-\u9FA5]+$/.test(str);
case 'lower': //小写
return /^[a-z]+$/.test(str);
case 'upper': //大写
return /^[A-Z]+$/.test(str);
case 'HTML': //HTML标记
return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
default:
return true;
}
}
// 严格的身份证校验
isCardID(sId) {
if (!/(^\d{}$)|(^\d{}(\d|X|x)$)/.test(sId)) {
alert('你输入的身份证长度或格式错误')
return false
}
//身份证城市
var aCity={:"北京",:"天津",:"河北",:"山西",:"内蒙古",:"辽宁",:"吉林",:"黑龙江",:"上海",:"江苏",:"浙江",:"安徽",:"福建",:"江西",:"山东",:"河南",:"湖北",:"湖南",:"广东",:"广西",:"海南",:"重庆",:"四川",:"贵州",:"云南",:"西藏",:"陕西",:"甘肃",:"青海",:"宁夏",:"新疆",:"台湾",:"香港",:"澳门",:"国外"};
if(!aCity[parseInt(sId.substr(,))]) {
alert('你的身份证地区非法')
return false
}
// 出生日期验证
var sBirthday=(sId.substr(,)+"-"+Number(sId.substr(,))+"-"+Number(sId.substr(,))).replace(/-/g,"/"),
d = new Date(sBirthday)
if(sBirthday != (d.getFullYear()+"/"+ (d.getMonth()+) + "/" + d.getDate())) {
alert('身份证上的出生日期非法')
return false
}
// 身份证号码校验
var sum = ,
weights = [, , , , , , , , , , , , , , , , ],
codes = "10X98765432"
for (var i = ; i < sId.length - ; i++) {
sum += sId[i] * weights[i];
}
var last = codes[sum % ]; //计算出来的最后一位身份证号码
if (sId[sId.length-] != last) {
alert('你输入的身份证号非法')
return false
}
return true
}
}
Array
class ArrayFn {
/*判断一个元素是否在数组中*/
contains (arr, val) {
return arr.indexOf(val) != - ? true : false;
}
/**
* @param {arr} 数组
* @param {fn} 回调函数
* @return {undefined}
*/
each (arr, fn) {
fn = fn || Function;
var a = [];
var args = Array.prototype.slice.call(arguments, );
for(var i = ; i < arr.length; i++) {
var res = fn.apply(arr, [arr[i], i].concat(args));
if(res != null) a.push(res);
}
}
/**
* @param {arr} 数组
* @param {fn} 回调函数
* @param {thisObj} this指向
* @return {Array}
*/
map (arr, fn, thisObj) {
var scope = thisObj || window;
var a = [];
for(var i = , j = arr.length; i < j; ++i) {
var res = fn.call(scope, arr[i], i, this);
if(res != null) a.push(res);
}
return a;
}
/**
* @param {arr} 数组
* @param {type} 1：从小到大 2：从大到小 3：随机
* @return {Array}
*/
sort (arr, type = ) {
return arr.sort( (a, b) => {
switch(type) {
case :
return a - b;
case :
return b - a;
case :
return Math.random() - 0.5;
default:
return arr;
}
})
}
/*去重*/
unique (arr) {
if ( Array.hasOwnProperty('from') ) {
return Array.from(new Set(arr));
}else{
var n = {},r=[];
for(var i = ; i < arr.length; i++){
if (!n[arr[i]]){
n[arr[i]] = true;
r.push(arr[i]);
}
}
return r;
}
// 注：上面 else 里面的排重并不能区分 2 和 '2'，但能减少用indexOf带来的性能
/* 正确排重
if ( Array.hasOwnProperty('from') ) {
return Array.from(new Set(arr))
}else{
var r = [], NaNBol = true
for(var i=0; i < arr.length; i++) {
if (arr[i] !== arr[i]) {
if (NaNBol && r.indexOf(arr[i]) === -1) {
r.push(arr[i])
NaNBol = false
}
}else{
if(r.indexOf(arr[i]) === -1) r.push(arr[i])
}
}
return r
}
*/
}
/*求两个集合的并集*/
union (a, b) {
var newArr = a.concat(b);
return this.unique(newArr);
}
/*求两个集合的交集*/
intersect (a, b) {
var _this = this;
a = this.unique(a);
return this.map(a, function(o) {
return _this.contains(b, o) ? o : null;
});
}
/*删除其中一个元素*/
remove (arr, ele) {
var index = arr.indexOf(ele);
if(index > -) {
arr.splice(index, );
}
return arr;
}
/*将类数组转换为数组的方法*/
formArray (ary) {
var arr = [];
if(Array.isArray(ary)) {
arr = ary;
} else {
arr = Array.prototype.slice.call(ary);
};
return arr;
}
/*最大值*/
max (arr) {
return Math.max.apply(null, arr);
}
/*最小值*/
min (arr) {
return Math.min.apply(null, arr);
}
/*求和*/
sum (arr) {
return arr.reduce( (pre, cur) => {
return pre + cur
})
}
/*平均值*/
average (arr) {
return this.sum(arr)/arr.length
}
}
Dom
class DomFn {
$ (selector){
var type = selector.substring(, );
if (type === '#') {
if (document.querySelecotor) return document.querySelector(selector)
return document.getElementById(selector.substring())
}else if (type === '.') {
if (document.querySelecotorAll) return document.querySelectorAll(selector)
return document.getElementsByClassName(selector.substring())
}else{
return document['querySelectorAll' ? 'querySelectorAll':'getElementsByTagName'](selector)
}
}
/*检测类名*/
hasClass (ele, name) {
return ele.className.match(new RegExp('(\\s|^)' + name + '(\\s|$)'));
}
/*添加类名*/
addClass (ele, name) {
if (!this.hasClass(ele, name)) ele.className += " " + name;
}
/*删除类名*/
removeClass (ele, name) {
if (this.hasClass(ele, name)) {
var reg = new RegExp('(\\s|^)' + name + '(\\s|$)');
ele.className = ele.className.replace(reg, '');
}
}
/*替换类名*/
replaceClass (ele, newName, oldName) {
this.removeClass(ele, oldName);
this.addClass(ele, newName);
}
/*获取兄弟节点*/
siblings (ele) {
console.log(ele.parentNode)
var chid = ele.parentNode.children,eleMatch = [];
for(var i = , len = chid.length; i < len; i ++){
if(chid[i] != ele){
eleMatch.push(chid[i]);
}
}
return eleMatch;
}
/*获取行间样式属性*/
getByStyle (obj,name){
if(obj.currentStyle){
return obj.currentStyle[name];
}else{
return getComputedStyle(obj,false)[name];
}
}
}
Http
/*
let url = 'http://demo.com/api'
例:
ajax({
url: url,
success: function(data) { }
})
*/
function ajax(setting){
//设置参数的初始值
var opts={
method: (setting.method || "GET").toUpperCase(), //请求方式
url: setting.url || "", // 请求地址
async: setting.async || true, // 是否异步
dataType: setting.dataType || "json", // 解析方式
data: setting.data || "", // 参数
success: setting.success || function(){}, // 请求成功回调
error: setting.error || function(){} // 请求失败回调
} // 参数格式化
function params_format (obj) {
var str = ''
for (var i in obj) {
str += i + '=' + obj[i] + '&'
}
return str.split('').slice(, -).join('')
} // 创建ajax对象
var xhr=new XMLHttpRequest(); // 连接服务器open(方法GET/POST，请求地址， 异步传输)
if(opts.method == 'GET'){
xhr.open(opts.method, opts.url + "?" + params_format(opts.data), opts.async);
xhr.send();
}else{
xhr.open(opts.method, opts.url, opts.async);
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xhr.send(opts.data);
} /*
** 每当readyState改变时，就会触发onreadystatechange事件
** readyState属性存储有XMLHttpRequest的状态信息
** 0 ：请求未初始化
** 1 ：服务器连接已建立
** 2 ：请求已接受
** 3 : 请求处理中
** 4 ：请求已完成，且相应就绪
*/
xhr.onreadystatechange = function() {
if (xhr.readyState === && (xhr.status === || xhr.status === )) {
switch(opts.dataType){
case "json":
var json = JSON.parse(xhr.responseText);
opts.success(json);
break;
case "xml":
opts.success(xhr.responseXML);
break;
default:
opts.success(xhr.responseText);
break;
}
}
} xhr.onerror = function(err) {
opts.error(err);
}
} /*
let url = 'http://demo.com/api'
例:
fetchHttp(url).
then( res => {
console.log(res)
}).catch( e => {
console.log(e)
})
fetchHttp(url, {
method: 'POST', })
*/
function fetchHttp(url, setting = {}) {
//设置参数的初始值
let opts={
method: (setting.method || 'GET').toUpperCase(), //请求方式
headers : setting.headers || {}, // 请求头设置
credentials : setting.credentials || true, // 设置cookie是否一起发送
body: setting.body || {},
mode : setting.mode || 'cors', // 可以设置 cors, no-cors, same-origin
redirect : setting.redirect || 'follow', // follow, error, manual
cache : setting.cache || 'default' // 设置 cache 模式 (default, reload, no-cache)
}
let dataType = setting.dataType || "json", // 解析方式
data = setting.data || "" // 参数 // 参数格式化
function params_format (obj) {
var str = ''
for (var i in obj) {
str += `${i}=${obj[i]}&`
}
return str.split('').slice(, -).join('')
} if (opts.method === 'GET') {
url = url + (data?`?${params_format(data)}`:'')
}else{
setting.body = data || {}
}
return new Promise( (resolve, reject) => {
fetch(url, opts).then( async res => {
let data = dataType === 'text' ? await res.text() :
dataType === 'blob' ? await res.blob() : await res.json()
resolve(data)
}).catch( e => {
reject(e)
})
})
}
Number
class NumberFn {
/*随机数范围*/
random (min, max) {
if (arguments.length === ) {
return Math.floor(min + Math.random() * ( (max+) - min ))
}else{
return null;
}
}
/*将阿拉伯数字翻译成中文的大写数字*/
numberToChinese (num) {
var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十");
var BB = new Array("", "十", "百", "仟", "萬", "億", "点", "");
var a = ("" + num).replace(/(^*)/g, "").split("."),
k = ,
re = "";
for(var i = a[].length - ; i >= ; i--) {
switch(k) {
case :
re = BB[] + re;
break;
case :
if(!new RegExp("0{4}//d{" + (a[].length - i - ) + "}$")
.test(a[]))
re = BB[] + re;
break;
case :
re = BB[] + re;
BB[] = BB[];
k = ;
break;
}
if(k % == && a[].charAt(i + ) != && a[].charAt(i + ) == )
re = AA[] + re;
if(a[].charAt(i) != )
re = AA[a[].charAt(i)] + BB[k % ] + re;
k++;
}
if(a.length > ) // 加上小数部分(如果有小数部分)
{
re += BB[];
for(var i = ; i < a[].length; i++)
re += AA[a[].charAt(i)];
}
if(re == '一十')
re = "十";
if(re.match(/^一/) && re.length == )
re = re.replace("一", "");
return re;
}
/*将数字转换为大写金额*/
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[].length - ; i >= ; i--) {
if(part[].length > ) {
return "";
//若数量超过拾亿单位，提示
}
var tmpnewchar = ""
var perchar = part[].charAt(i);
switch(perchar) {
case "":
tmpnewchar = "零" + tmpnewchar;
break;
case "":
tmpnewchar = "壹" + tmpnewchar;
break;
case "":
tmpnewchar = "贰" + tmpnewchar;
break;
case "":
tmpnewchar = "叁" + tmpnewchar;
break;
case "":
tmpnewchar = "肆" + tmpnewchar;
break;
case "":
tmpnewchar = "伍" + tmpnewchar;
break;
case "":
tmpnewchar = "陆" + tmpnewchar;
break;
case "":
tmpnewchar = "柒" + tmpnewchar;
break;
case "":
tmpnewchar = "捌" + tmpnewchar;
break;
case "":
tmpnewchar = "玖" + tmpnewchar;
break;
}
switch(part[].length - i - ) {
case :
tmpnewchar = tmpnewchar + "元";
break;
case :
if(perchar != ) tmpnewchar = tmpnewchar + "拾";
break;
case :
if(perchar != ) tmpnewchar = tmpnewchar + "佰";
break;
case :
if(perchar != ) tmpnewchar = tmpnewchar + "仟";
break;
case :
tmpnewchar = tmpnewchar + "万";
break;
case :
if(perchar != ) tmpnewchar = tmpnewchar + "拾";
break;
case :
if(perchar != ) tmpnewchar = tmpnewchar + "佰";
break;
case :
if(perchar != ) tmpnewchar = tmpnewchar + "仟";
break;
case :
tmpnewchar = tmpnewchar + "亿";
break;
case :
tmpnewchar = tmpnewchar + "拾";
break;
}
var newchar = tmpnewchar + newchar;
}
//小数点之后进行转化
if(Num.indexOf(".") != -) {
if(part[].length > ) {
// alert("小数点之后只能保留两位,系统将自动截断");
part[] = part[].substr(, )
}
for(i = ; i < part[].length; i++) {
tmpnewchar = ""
perchar = part[].charAt(i)
switch(perchar) {
case "":
tmpnewchar = "零" + tmpnewchar;
break;
case "":
tmpnewchar = "壹" + tmpnewchar;
break;
case "":
tmpnewchar = "贰" + tmpnewchar;
break;
case "":
tmpnewchar = "叁" + tmpnewchar;
break;
case "":
tmpnewchar = "肆" + tmpnewchar;
break;
case "":
tmpnewchar = "伍" + tmpnewchar;
break;
case "":
tmpnewchar = "陆" + tmpnewchar;
break;
case "":
tmpnewchar = "柒" + tmpnewchar;
break;
case "":
tmpnewchar = "捌" + tmpnewchar;
break;
case "":
tmpnewchar = "玖" + tmpnewchar;
break;
}
if(i == ) tmpnewchar = tmpnewchar + "角";
if(i == ) tmpnewchar = tmpnewchar + "分";
newchar = newchar + tmpnewchar;
}
}
//替换所有无用汉字
while(newchar.search("零零") != -)
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 - ) == "元") {
newchar = newchar + "整"
}
return newchar;
}
}
String
class StringFn {
/**
* 去除空格
* @param {str}
* @param {type}
* type: 1-所有空格 2-前后空格 3-前空格 4-后空格
* @return {String}
*/
trim (str, type) {
type = type ||
switch (type) {
case :
return str.replace(/\s+/g, "");
case :
return str.replace(/(^\s*)|(\s*$)/g, "");
case :
return str.replace(/(^\s*)/g, "");
case :
return str.replace(/(\s*$)/g, "");
default:
return str;
}
}
/**
* @param {str}
* @param {type}
* type: 1:首字母大写 2：首页母小写 3：大小写转换 4：全部大写 5：全部小写
* @return {String}
*/
changeCase (str, type) {
type = type ||
switch (type) {
case :
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(, ).toUpperCase() + word.substring().toLowerCase();
});
case :
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(, ).toLowerCase() + word.substring().toUpperCase();
});
case :
return str.split('').map( function(word){
if (/[a-z]/.test(word)) {
return word.toUpperCase();
}else{
return word.toLowerCase()
}
}).join('')
case :
return str.toUpperCase();
case :
return str.toLowerCase();
default:
return str;
}
}
/*
检测密码强度
*/
checkPwd (str) {
var Lv = ;
if (str.length < ) {
return Lv
}
if (/[-]/.test(str)) {
Lv++
}
if (/[a-z]/.test(str)) {
Lv++
}
if (/[A-Z]/.test(str)) {
Lv++
}
if (/[\.|-|_]/.test(str)) {
Lv++
}
return Lv;
}
/*过滤html代码(把<>转换)*/
filterTag (str) {
str = str.replace(/&/ig, "&");
str = str.replace(/</ig, "<");
str = str.replace(/>/ig, ">");
str = str.replace(" ", " ");
return str;
}
}
Storage、cookie
class StorageFn {
constructor () {
this.ls = window.localStorage;
this.ss = window.sessionStorage;
}
/*-----------------cookie---------------------*/
/*设置cookie*/
setCookie (name, value, day) {
var setting = arguments[];
if (Object.prototype.toString.call(setting).slice(, -) === 'Object'){
for (var i in setting) {
var oDate = new Date();
oDate.setDate(oDate.getDate() + day);
document.cookie = i + '=' + setting[i] + ';expires=' + oDate;
}
}else{
var oDate = new Date();
oDate.setDate(oDate.getDate() + day);
document.cookie = name + '=' + value + ';expires=' + oDate;
}
}
/*获取cookie*/
getCookie (name) {
var arr = document.cookie.split('; ');
for (var i = ; i < arr.length; i++) {
var arr2 = arr[i].split('=');
if (arr2[] == name) {
return arr2[];
}
}
return '';
}
/*删除cookie*/
removeCookie (name) {
this.setCookie(name, , -);
}
/*-----------------localStorage---------------------*/
/*设置localStorage*/
setLocal(key, val) {
var setting = arguments[];
if (Object.prototype.toString.call(setting).slice(, -) === 'Object'){
for(var i in setting){
this.ls.setItem(i, JSON.stringify(setting[i]))
}
}else{
this.ls.setItem(key, JSON.stringify(val))
}
}
/*获取localStorage*/
getLocal(key) {
if (key) return JSON.parse(this.ls.getItem(key))
return null;
}
/*移除localStorage*/
removeLocal(key) {
this.ls.removeItem(key)
}
/*移除所有localStorage*/
clearLocal() {
this.ls.clear()
}
/*-----------------sessionStorage---------------------*/
/*设置sessionStorage*/
setSession(key, val) {
var setting = arguments[];
if (Object.prototype.toString.call(setting).slice(, -) === 'Object'){
for(var i in setting){
this.ss.setItem(i, JSON.stringify(setting[i]))
}
}else{
this.ss.setItem(key, JSON.stringify(val))
}
}
/*获取sessionStorage*/
getSession(key) {
if (key) return JSON.parse(this.ss.getItem(key))
return null;
}
/*移除sessionStorage*/
removeSession(key) {
this.ss.removeItem(key)
}
/*移除所有sessionStorage*/
clearSession() {
this.ss.clear()
}
}
Others
class OtherFn {
/**
* [deepClone 深度克隆]
* @param {[type]} obj [克隆对象]
* @return {[type]} [返回深度克隆后的对象]
*/
deepClone (obj) {
if (obj === null || typeof obj !== 'object') return obj
var isType = function(obj, type) {
var flag,
typeString = Object.prototype.toString.call(obj)
switch(type) {
case 'Array':
flag = typeString === '[object Array]'
break
case 'Date':
flag = typeString === '[object Date]'
break
case 'RegExp':
flag = typeString === '[object RegExp]'
break
default:
flag = false
}
return flag
}
var getRegExp = function(re) {
var flags = ''
if (re.global) flags += 'g'
if (re.ignoreCase) flags += 'i'
if (re.multiline) flags += 'm'
return flags
}
var _clone = function(parent) {
var child, proto, parents = [], children = []
if (isType(parent, 'Array')) {// 对数组做特殊处理
child = [];
} else if (isType(parent, 'RegExp')) {// 对正则做特殊处理
child = new RegExp(parent.source, getRegExp(parent));
if (parent.lastIndex) child.lastIndex = parent.lastIndex;
} else if (isType(parent, 'Date')) {// 对Date做特殊处理
child = new Date(parent.getTime());
} else {
// 处理对象原型
proto = Object.getPrototypeOf(parent);
// 利用Object.create切断原型链
child = Object.create(proto);
}
// 处理循环引用
var index = parents.indexOf(parent);
if (index != -) {
// 如果父数组存在本对象,说明之前已经被引用过,直接返回此对象
return children[index];
}
parents.push(parent);
children.push(child);
for (var i in parent) {
child[i] = _clone(parent[i]);
}
return child;
}
return _clone(obj)
}
/*获取网址参数*/
getUrlParams(name){
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var r = decodeURI(window.location.search).substr().match(reg);
if(r!=null) return r[]; return null;
}
/*获取全部url参数,并转换成json对象*/
getUrlAllParams (url) {
var url = url ? url : window.location.href;
var _pa = url.substring(url.indexOf('?') + ),
_arrS = _pa.split('&'),
_rs = {};
for (var i = , _len = _arrS.length; i < _len; i++) {
var pos = _arrS[i].indexOf('=');
if (pos == -) {
continue;
}
var name = _arrS[i].substring(, pos),
value = window.decodeURIComponent(_arrS[i].substring(pos + ));
_rs[name] = value;
}
return _rs;
}
/*删除url指定参数，返回url*/
delParamsUrl(url, name){
var baseUrl = url.split('?')[] + '?';
var query = url.split('?')[];
if (query.indexOf(name)>-) {
var obj = {}
var arr = query.split("&");
for (var i = ; i < arr.length; i++) {
arr[i] = arr[i].split("=");
obj[arr[i][]] = arr[i][];
};
delete obj[name];
var url = baseUrl + JSON.stringify(obj).replace(/[\"\{\}]/g,"").replace(/\:/g,"=").replace(/\,/g,"&");
return url
}else{
return url;
}
}
/*获取十六进制随机颜色*/
getRandomColor () {
return '#' + (function(h) {
return new Array( - h.length).join("") + h;
})((Math.random() * 0x1000000 << ).toString());
}
/*图片加载*/
imgLoadAll(arr,callback){
var arrImg = [];
for (var i = ; i < arr.length; i++) {
var img = new Image();
img.src = arr[i];
img.onload = function(){
arrImg.push(this);
if (arrImg.length == arr.length) {
callback && callback();
}
}
}
}
/*音频加载*/
loadAudio(src, callback) {
var audio = new Audio(src);
audio.onloadedmetadata = callback;
audio.src = src;
}
/*DOM转字符串*/
domToStirng(htmlDOM){
var div= document.createElement("div");
div.appendChild(htmlDOM);
return div.innerHTML
}
/*字符串转DOM*/
stringToDom(htmlString){
var div= document.createElement("div");
div.innerHTML=htmlString;
return div.children[];
}
/**
* 光标所在位置插入字符，并设置光标位置
*
* @param {dom} 输入框
* @param {val} 插入的值
* @param {posLen} 光标位置处在 插入的值的哪个位置
*/
setCursorPosition (dom,val,posLen) {
var cursorPosition = ;
if(dom.selectionStart){
cursorPosition = dom.selectionStart;
}
this.insertAtCursor(dom,val);
dom.focus();
console.log(posLen)
dom.setSelectionRange(dom.value.length,cursorPosition + (posLen || val.length));
}
/*光标所在位置插入字符*/
insertAtCursor(dom, val) {
if (document.selection){
dom.focus();
sel = document.selection.createRange();
sel.text = val;
sel.select();
}else if (dom.selectionStart || dom.selectionStart == ''){
let startPos = dom.selectionStart;
let endPos = dom.selectionEnd;
let restoreTop = dom.scrollTop;
dom.value = dom.value.substring(, startPos) + val + dom.value.substring(endPos, dom.value.length);
if (restoreTop > ){
dom.scrollTop = restoreTop;
}
dom.focus();
dom.selectionStart = startPos + val.length;
dom.selectionEnd = startPos + val.length;
} else {
dom.value += val;
dom.focus();
}
}
}
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