JavaScript

Http://www.ruanyifeng.com/blog/2012/10/javascript_module.html JavaScript Modular Programming (i): The writing of modules first, the original wording A module is a set of methods for implementing a particular function. Just put the different

One, to use the regular expression related method, first must understand the regular expression basic usage, excerpt from Baidu Encyclopedia: Metacharacters Describe \ Marks the next character as a special character,

scope of a variable To understand closures, you must first understand JavaScript's special variable scope. The scope of a variable is nothing more than two kinds: global and local variables. The special point of the JavaScript language is that the

Https://github.com/mozilla/pdf.js can be downloaded to pdf.js on this website Pdf.js upgrades to version 1.0 and will become a PDF reader embedded in future Firefox. Unlike the closed-source PDF browsing Plug-ins used by Google Chrome from Foxit,

Objective: This is a reprint reprint, I would like to only collect an address, found here to share can not be used, so reproduced again, only to do their own learning notes to use. I reprint the source:

Closures have always been a mysterious and profound feeling to programmers, including JavaScript programmers, and in fact, the concept of closures is not an incomprehensible knowledge in functional programming languages. If the basic concepts such

The code is as follows:(function () {This ignores all implementations of jquery})();(function () {//This ignores jquery all implementations}) (); When I first contacted jquery six months ago, I was as excited as anyone else to see what the source

summarizing the use of promise in JavaScript programming Promise Core DescriptionAlthough promise has its own specifications, but the current various types of promise libraries, in the promise implementation of the details are different, and some

Original: http://bbs.ruoren.com/thread-36873994-1-1.html ************************************************************************ Objective Today to share this article is more suitable for JS beginners, is to read and share the first phase of two

deep understanding of JavaScript prototype chain In JavaScript and prototype chain is a very magical thing, for most people is also the most difficult to understand the part of mastering the prototype and prototype chain is the essence of

The entire DOM is called the DocumentObject model, the Document object, and is an API for HTML and XML documents. It depicts a hierarchical node tree that runs a developer to add, remove, and modify portions of a page. Dom was developed by Netscape

* Today, a summary of JavaScript prototype prototype and *____PROTO____ prototype chain, to understand that we have a deep understanding of JS, encapsulation of common tips is helpful. ES5 JS itself is not class, in the ES5 JS class is function

Object 1. There are two ways to create an object instance: var person=new Object (); Person.name= "ZX"; person.age=19; Object literal notation: var person={ Name: "ZX", age:19 }; Live in the middle of each of the two attributes separated

drawing clocks using canvas The 2d drawing context supports many ways to draw paths on the canvas. Through the path can create complex shapes and lines. To draw the path, you must first call the Beginpath () method, which indicates that you want to

function arguments (functions parameter) EDIT Starting with ECMAScript 6, there are two new types of parameters: default parameters, remaining parameters (rest parameters). default parameter (parameter) In JavaScript, the default value for a

JS Replace default replaces only the first matching character, if the string has more than two corresponding characters can not be replaced, this time to do a little operation, complete replacement. [HTML] View plain copy above the code, can only

The difficulty of JavaScript is object-oriented programming, which describes two ways to inherit javascript: JavaScript advanced inheritance, which uses an example to show how JS object-oriented programming and how to implement inheritance based on

If loop statements in JavaScript

: Network Disk DownloadIf you use JavaScript to build an interactive web app, JavaScript code can be a major cause of your web app's slowness. High-performance JavaScript reveals technologies and strategies that can help you eliminate performance

JavaScript uses the function keyword to declare functions, you can return a value with return, or you can have no return value.Recommendation: It is convenient to debug the code by either unifying the return value or not unifying the return