https://github.com/pfan123/jsfunc
平时常用的js进行总结
https://github.com/pfan123/jsfunc
Last synced: 3 months ago
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平时常用的js进行总结
- Host: GitHub
- URL: https://github.com/pfan123/jsfunc
- Owner: pfan123
- Created: 2016-03-17T03:14:56.000Z (about 9 years ago)
- Default Branch: master
- Last Pushed: 2016-03-17T03:34:08.000Z (about 9 years ago)
- Last Synced: 2025-01-10T02:55:01.445Z (4 months ago)
- Size: 1.95 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: readme.md
Awesome Lists containing this project
README
# 帧绘制帧频率
```
window.RAF = (function(){
return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) {window.setTimeout(callback, 1000 / 60); };
})();
var requestID;
function repeatOften() {
// Do whatever
requestID = RAF(repeatOften);
}
requestID = RAF(repeatOften);
window.cancelAnimationFrame(requestID);
```
# 匹配判断AnimationEnd
```
var _animationEnd = 'onwebkitanimationend' in window ? "webkitAnimationEnd" : 'AnimationEnd';
Dom.addEventListener(_animationEnd,function(){
// Do
},false);
```
# jsonp跨域拉取数据封装
```
/**
* [jsonp 跨域拉取数据封装]
* @param {[type]} url [请求链接]
* @param {[type]} data [{}对接传参]
* @param {[type]} dataFunc [请求结束回调函数]
* @param {[type]} jsonpCallback [指定回调函数，处理有些接口后端已经指定回调函数]
*/
function jsonp(url,data,dataFunc,jsonpCallback){
//jsonpCallback指定回调
var jsonpCall,
url,
str = "";
if(jsonpCallback){
jsonpCall = jsonpCallback;
}else{
jsonpCall = "callback"+Math.random().toString().substr(2,10);
}
for(prop in data){
str = str+'&'+prop+'='+data[prop];
}
url = url+'?_t='+(new Date()).valueOf()+str+'&callback='+jsonpCall;
window[jsonpCall] = function(data){
dataFunc && dataFunc(data);
window[jsonpCall]=null;
};
var head = document.getElementsByTagName('head')[0] || document.head || document.documentElement,
loadScript = function (url, callback) {
var script = document.createElement("script");
script.type = "text/javascript";
script.charset = "utf-8";
if (script.readyState) { //IE
script.onreadystatechange = function () {
if (/loaded|complete/i.test(script.readyState)) {
script.onreadystatechange = null;
callback && callback(script);
}
};
} else { //Others
script.onload = function () {
callback && callback(script);
};
}
script.src = url;
head.insertBefore(script, head.firstChild);
script.onerror = function(err){
console.log(err);
}
};
loadScript(url,function(script){
script.parentNode.removeChild(script);
})
}
jsonp("http://wq.jd.com/mcoss/mmart/show",{"option":"1","pc":80,"actid":70132,"areaid":"119957,122443,123605"},function(data){
console.log(data)
});
```
# 常见时间操作
```
/*
* 将时间字符串格式化为时间戳 例2015/10/22 00:00:00
*/
function strtotime(date, isMicrotime){
var date = new Date(date);
timestamp = date.valueOf();
return isMicrotime ? timestamp : Math.floor(timestamp / 1000);
}
/**
* [getTime 获取当前时间]
*/
function getTime(){
var time = new Date();
return (time.getMonth() + 1) + "月" + time.getDate() + "日" + time.getHours() + ":" + time.getMinutes();
}
* [isWeekEnd 判断是否是周末]
* @param String date [日期格式2016-04-05]
* @return {Boolean} [返回bool值，true为周末，反之则不是]
*/
function isWeekEnd(date){
if(date){
var DateT = new Date(date);
}else{
var DateT = new Date();
}
//console.log(DateT.getDay());
if( 0 == DateT.getDay() || 6 == DateT.getDay() ){
return true;
}
}
/**
* [curTime 时间戳转换日期]
* [param 时间戳]
*/
function curTime(date,bool) {
var date = new Date(date);
var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
var hh = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
var mm = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
if(bool){
return date.getFullYear() + "-" + month + "-" + currentDate;
}else{
return hh + ":" + mm;
//返回格式：yyyy-MM-dd hh:mm
}
}
```
# 常见数组操作
```
//清楚数组中的空元素
Array.prototype.clean = function(value){
for(var i = 0; i < this.length; i++){
if (this[i] == value) {
this.splice(i,1);
i--;
}
}
return this;
}
//随机打乱数组排序
Array.prototype.shuffle = function(){
var array = this;
return array.sort(function() {
return Math.random() - 0.5
});
}
```