JavaScript

IntroducedThe observer pattern, also called the Publish subscription pattern (Publish/subscribe), defines a one-to-many relationship that allows multiple observer objects to listen to a Subject object at the same time, notifying all observer objects

The primary function of the adapter pattern is to convert the interface of one class into another interface that the customer wants. The adapter mode makes it possible for those objects (classes) that would otherwise not work together because of

It is relatively simple to define and use objects in JavaScript, and you can define and initialize an object using {}.This definition of the object is an instance of the object class, which can dynamically add properties and methods during execution,

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Bridging mode (isolates abstraction from its implementation so that they vary independently)function Sendinfo (Element) { var id=element.id; Ajax ("GET", "info.json?id=" +id,function(result) { //... }); // ...};The above example

1javascript--Object-Oriented programming (1)

Often asked about the inheritance of JS and the prototype chain (prototype chain) knowledge, often read after all quickly forgotten, now tidy up their own understanding of the situation, in order to deepen understanding.　　First, JS objectJS inside

HoistVt. Arise, lift;VI. be lifted or elevated;N. cranes, lifts; Rises Push, hold, lift; This article does not speak English, but for some English words can not find a good translation, the first to list the word "hoist" is to let everyone

0. JavaScript's simple data types include numbers, character A, Boolean values (True/false), NULL, and undefined values, and other values are objects.1. JavaScript has only one numeric type, which is represented internally as a 64-bit floating-point

Original: JavaScript Tour-First stop: Starting with variablesWork these years, JS study is not very good, just weekend some leisure time, simply buy this "JS authoritative guide", the famous rhino book, Good to JS in-depth look. Bought this book.The

Original: JavaScript Tour-third stop: Several operators to be aware ofUsually write accustomed to C #, so you will feel what kind of operator should do what kind of operation, but one day your habits by other language subversion, do not know whether

JQuery statistics on the size of uploaded files. jquery statistics on uploaded files This document describes how jQuery calculates the size of uploaded files. Share it with you for your reference. The details are as follows: For modern browsers

Built-in objects of JavaScript learning notes, and javascript learning notes JS Window Window object: http://www.w3school.com.cn/js/js_window.asp All browsers support window objects. It indicates the browser window. All JavaScript global objects,

peripheral knowledge points knowledge points Em 1em = font-size value set by the element itself or inherited by the parent Element 1 left margin = 24px2 left margin = 18px3 left margin = 12px 1 h1{font-size:24px;}2 h2{font-size:18px;}3 p{font-size:1

Handwritten jQuery plug-in summary by yourself, handwritten jquery plug-in JQuery is another excellent JavaScript framework after Prototype. It is deeply loved by developers and has a wide range of users. JQuery is a good place for user

Basic DOM Tutorials: Using DOM control forms 1. Form Overview Form is one of the most interactive forms on a webpage. It receives user data in various forms, including drop-down list boxes, single-choice buttons, check boxes, and text boxes, this

NodeJS-based Promise-based shard skin read/write MongoDB Promise is an asynchronous programming code writing method. Like the Async module, Promise can improve code readability and maintainability. Async encapsulation is better than Promise, but the

Example of using jQuery to mark element attributes This document describes the usage of Tag Element attributes used by jQuery. Share it with you for your reference. The specific analysis is as follows: This section describes how to use jQuery to

Examples of wrapInner () method usage in jQuery, jquerywrapinner This document describes the wrapInner () method in jQuery. Share it with you for your reference. The specific analysis is as follows: This method wraps the matching element content

AngularJs application page switching optimization solutionThe name of a product under research and development in Grape city is tentatively set to Project X. Among them, SpreadJS products in wijmo are used. In addition, some R & D summaries are