yuxuac的专栏

let cache = []; let result = JSON.stringify(pool.pool, (key, value) => { if (typeof value === 'object' && value !== null) { // Duplicate reference found, discard key if (cache.includes(value)) return; ...

The most effective way:const stream = require('stream');// The bufferlet buffer = Buffer.from("Hello world!", "utf-8");// The stream from bufferlet bufferStream = new stream.PassThrough();buff...

// https://nodejs.org/api/stream.html#stream_class_stream_passthrough// search: Consuming Readable Streams with Async Iterators(async function () { for await (const chunk of file.stream()) { ...

// 1. async functions always return a Promise// 2. await will return resolved data of a promise, it can be a 'data or an 'error'.// An async function: getDataPromise()const getDataPromise = (num)...

// 1. Use callback in an async function, call the callback when necessary during the async call.const getValueFunc1 = (key, callback) => { setTimeout(() => { callback(null, "Data f...

varvariables are ‘function scope.’ What does this mean? It means they are only availableinsidethe function they’re created in, or if not created inside a function, they are ‘globally scoped.’var...

FLUX:http://facebook.github.io/flux/docs/overview.htmlhttps://www.toptal.com/front-end/simple-data-flow-in-react-applications-using-flux-and-backboneUI:https://github.com/callemall/mat

Baidu CDN:http://developer.baidu.com/wiki/index.php?title=docs/cplat/libsReactJS:http://facebook.github.io/react/

1. 子控件向父控件传值：a. 在父控件定义接收函数 handleItem(item);b. 在子控件定义props: customHandleItem;c. 父控件Render()中，将子空间的属性：customHandleItem设置为父控件的接收函数: handleItem;d. 在子控件需要将值传递出来的位置调用：this.props.customHandleItem(it

http://davidstutz.github.io/bootstrap-multiselect/#methodshttp://wenzhixin.net.cn/p/multiple-select/docs/index.html?locale=zh_CN#the-multiple-items

The falsy values are：false, null, undefined, 0, -0, NaN, and "".All other values, including all objects, are truthy-From JavaScript： The Definitive Guide

1. Babel JS：Convert new version js to lower version js.2. ESLint: Js 语法检查。3. PWA Vue: A Progressive Web Application (PWA) is a web application that offers an app-like user experience on the web. Mod...

/** Copy the enumerable properties of p to o, and return o.* If o and p have a property by the same name, o's property is overwritten.* This function does not handle getters and setters or copy at...

读Javascript: The Definitive Guide这本书的时候发现一个有意思的代码，可以在调用方法的之前和之后注入一些回调或者代码，分享给大家：// Define a method.function addBy10(val) { return val + 10;}var obj = { 'myMethod': addBy10 };obj.myMethod(5)...

继承关系/* Java: 1. Instance fields 2. Instance methods 3. Class fields 4. Class methods Javascript: 1. Constructor object => class methods and class fields 2. ...

// 9.6.1 A Set Class function Set() { this.values = {}; this.n = 0; this.add.apply(this, arguments); } Set.prototype.add = function() { for(var i = 0 ...

https://cmatskas.com/update-an-mvc-partial-view-with-ajax/

1. 显示提示信息：qTip2 is the second generation of the advanced qTip plugin for the ever popular jQuery framework.Building on 1.0's user friendly, yet feature rich base, qTip2 provides you with tonnes of f

JSON 字符串定义.

var html = []; html.push( "", "", "bla bla bla", "", "" ); return html.join("");http://stackoverflow.com/questions/2087522/does-javascript-have-a-built-in-stringbuilder-cla

自定义一个Li的函数，如果鼠标移动到此元素上，则改变其背景颜色。 自定义一个jquery插件 li{ list-style-type:none; } AAA

//严格模式定义 "-use strict"; // 变量定义 /* var a; var c = a + 2; var array = []; var n = null; console.log(n + 1); console.log(c); console.log(array ); console.log(ar

Pure Javascript test - Function Access Scope. <!-- As we know, people can define javascript block in 3 places, the Head block, the Body block and after the Body block. When you define a func

https://make.wordpress.org/core/handbook/best-practices/coding-standards/javascript/

// 定义函数直接调用 (function () { var userID = @Model.UserId ?? 0; var apiURI = '../../Claim/GetCurrentUserWorkStatus' var inputData = { id : userID }; if(userID > 0){

/* 1. Create a file 2. Write some data, 5000 lines 3. Rename it 4. Move it to a non-existing sub folder. 5. Read whole file and print 6. Read file by stream and print each chunk's content and si

使用Ajax时，url路径可以为相对路径或者绝对路径。如果我们引用一个url为相对路径：./YourAPI/Action，则此路径会与我们访问的url相关。假设当前请求的URL为http://localhost:8080/YourAPI/, 则此ajax中的url为：http://localhost:8080/YourAPI/Action。但如果当前请求的URL为http://

http://stackoverflow.com/questions/111102/how-do-javascript-closures-work

我们在开发Web应用的时候，会遇到动态加载Javascript的情况，动态加载的JS文件我们没办法直接调试。要解决此问题，我们需要在需要动态加载的JS文件头部添加以下注释：//# sourceURL=可任意取名.js请注意#之后的空格。在（no domain）下，我们即可看到此文件：

http://www.cnblogs.com/rainman/archive/2009/04/28/1445687.html

// 数组详解http://www.cnblogs.com/dolphinX/p/3353590.html

-- 原文https://oscarotero.com/jquery/--中文版http://www.css88.com/jqapi-1.9/

Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions,views with declarative event han

假设我们有一个button：Click me怎么能得到鼠标点击的位置？ function OnMouseClick(event) { var x = window.event.x - event.offsetLeft var y = window.event.y - event.offsetTop; alert('x/y:'