what is best javascript book

example, function A () {}; var a= new A (); A.__proto__===a.prototype;3. The correspondence created by new is not a prototype attribute.First on a picture, so you know more clearly. The picture should be understood by everyone, and it is not explained here.Based on the above superficial understanding began the following discussion.Create Class A firstfunction A () { this.x= "I am X"}var a =new a (); Con

values of the ES5 specification Now you should probably understand what is the result value, I looked at the ES5 specification, found in JavaScript, statement blocks, statements, and even expressions will implicitly return a result value, summarized as follows:The result value is the value of the statement, the expre

Let's talk about DART first. At the GOTO Developer Conference to be held in October, Google engineers said they would announce details of a new programming language called DART. Lars Bak, Google's engineer, will give a keynote speech at the GOTO Developer Conference. It is responsible for Chrome V8 Javascript Engine and has previous experience in Virtual Machine Development. Bak holds a large number of pate

Two features of JavaScript closures: 1, as a reference to a function variable-when the function returns, it is active. 2. A closure is when a function returns, a stack area without releasing resources. Example 1. As a JavaScript programmer, it should be understood that the above code

{Code...} x is an attribute of window, not a variable? Is y a variable object? Because I have seen this sentence in section 4.2.2 of Javascript advanced programming: "If the var declaration is not used during variable initialization, this variable will be automatically added to the global...

Article reproduced from Bird's nest-technology sharing community HTTP://T.RUNOOB.COM/QUESTION/131, HTML, CSS, JavaScript front-end learning trilogy, according to this order to learn HTML tutorial, CSS Tutorial, JavaScript tutorial is right.For JavaScript, do the following two points:(1) After

In Www.cocos.com's Cocos2d-js, "Cocos2d-js is a platform-wide game engine that uses native JavaScript language to publish to include web platforms, Ios,android,windows Phone8, Mac,windows and other platforms, ".So what is native JavaScript?The original Eco JS refers to

First, what is JavaScript?JavaScript is a page that transforms static Web pages into dynamic pages that enable users to interact and respond to events.Knowledge Expansion:HTML is the page structure, CSS

function of the vector of the code itself, it is also the object. The bounds of data and code are pretty vague in JavaScript4). DynamicThe properties of an object can be set dynamically after the object has been created, and the property value can be a random type of data (naturally, it can be a function)We added the school property and the Getschool method after we created the object.Obj.school = "Nupt"; obj.getschool = function () {return this.scho

result+=this[ I]5 }6 return result; 7 }This is still trouble, the memory1 varxiong1=[1,2,3];2 varxiong2=[4,5,6];3array.prototype.sum=function(){4 varResult=0;5 for(vari=0;i This. length;i++){6result+= This[i]7 }8 returnresult;9 }Ten OneAlert (Xiong1.sum ())//6 AAlert (Xiong2.sum ())// the - - the functionCreateperson (name,age) { - This. name=name; - This. age=Age ; - } +Createperson.prototype.showage=function(){ -

This may be a deep topic. What is Asynchronization? In general, asynchronous execution is delayed in javascript. Strictly speaking, the asynchronous programming capabilities in javascript are provided by BOM and DOM, such as setTimeout, XMLHttpRequest, DOM event mechanism, n

I saw in the beginning of the JavaScript function apply and call, very vague, see also do not understand, recently saw some articles on the Web on the Apply method and some examples of call, finally is a bit of a look, here I do the following notes, I hope to share with you. If there is something wrong or unclear, I would like to ask readers to make a lot of sugg

What is BOM BOM is the abbreviation of browser object model, referred to as browserThe BOM provides objects that interact with the browser window, independent of contentBecause the BOM is mainly used to manage the communication between Windows and Windows, its core object is