JavaScript

Closures (closure) are a difficult and unique feature of the JavaScript language, and many advanced applications rely on closures.Here is my study note, which should be useful for JavaScript beginners.The scope of a variableTo understand closures,

You must have seen this code: a = a| | " XXX ".It is actually equivalent to the following three types of code:A = a | | "XXX";And:if (!a) { a = "xxx";}And:if (a = = NULL | | a = = "" "| | A = = undefined) { a = "xxx";}How to understand three

The core of JS is the object{},The new function () {} is also an object in this form.http://www.nowamagic.net/librarys/veda/detail/241Tidy up some information on the Internet for reference1. Create an Object1.1 NewTo create an object with

This blog would show you the retrieve term store, the term group, the term set and the term via JavaScript1. First, you need understand Managed Metadata Service, it used for storing Metadata, and has the database in dependent, Then all the site

Inheritance is one of the object-oriented features, and the primary purpose of inheritance is to reuse. Subclasses can reuse the properties or behaviors of a parent class, which can greatly simplify subclasses and avoid duplication of

Property Name the only property that must be set, which represents the name of the cookie expires Specifies the lifetime of the cookie, if not set, the browser turns off auto-fail path Determines whether the cookie is available to the server

These two small functions are useful in some modern mobile phone pages.How to trigger an event by placing the cursor on the input box and leaving the input box to trigger another event? Even if the user does not enter anything ...It is simple to

The http. createServer method in node. js is described as follows: Method description: This function is used to create an HTTP server and use requestListener as the listener function for request events. Syntax: Copy codeThe Code is as follows:Http.

Description of the fs. writeFile method in node. js, node. jsfs Method description: Write data to a file asynchronously. If the file already exists, the original content will be replaced. Syntax: Copy codeThe Code is as follows:Fs. writeFile

JavaScript: DOM programming 1Zookeeper JavaScript: DOM Programming1. nodes and their types1) Element Node2) attribute node: the attribute of the element. Generally, the Operation attribute node directly reads and writes the attribute value through

The module defined by requirejs always returns a singleton object, and mutual interference between modules can be solved by using classes in javascript. RequireJS defines a module. In general, there are two methods: simple key-value pairs and

Js decomposition url parameter (Regular Expression, split comparison) (Object-Oriented-Simple Method) I. Regular Expression Note: 1. substr () and substring (start, stop) are used to extract characters that are intermediary between two specified

Analysis of three methods for defining Javascript classes I. constructor Method Function User () {this. name = "James ";} Use the new Keyword when generating an instance. Var user1 = new User (); alert (user1.name); // Zhang San Class attributes

Description of the events. emitter. removeListener method in node. js, removelistener Method description: Removes a listener for a specified event. Syntax: Copy codeThe Code is as follows:Emitter. removeListener (event, listener) Receiving

Three. js source code annotation (forty-four) Light/DirectionalLight. js   Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL, THREE. JS.

Determine the mobile terminal browser version based on javascript. The specific explanations are in comments, so there is not much nonsense here, and the code is provided directly. Copy codeThe Code is as follows: The browser versions of common

In-depth analysis of json data parsing by jquery and in-depth analysis of jqueryjson Let's take parsing the JSON data of the comments object in the previous example as an example, and then summarize the method for parsing JSON data in jQuery. JSON

A JavaScript-Based Algorithm for calculating the number of digital steps These two days I have read a huge github. I know that he is interested in algorithms. I think this is a bit interesting when I read one of the algorithm for calculating numbers,

JQuery/CSS3 image effect plugin sorting recommendations, jquerycss3 1. Website logon pages with scrolling cloud effects at the bottom of CSS3 Source code of special effects for website login pages with scrolling cloud effects at the bottom of CSS3

Java Web entry Testing Program (jsp) Introduction Test applet for jsp program development (1) required tools and software java Development Kit jdk You need to set environment variables. Anyone with Java Development basics can understand this step! (2