empty object

The data cache system was first introduced by jQuery1.2, when its event system was copied to the addEvent of DE. js, and addEvent has a defect in implementation. It puts the Event Callback above EventTarget, which will lead to the introduction of

The most successful part of jquery, I think, is that its extensibility has attracted many developers to develop plug-ins to build an ecosystem. This is like the big companies competing to do the platform, the platform to the world. Apple, Microsoft,

I want to learn about prototype, getPrototypeOf, and _ proto __of javascript. I have learned three methods for accessing prototype. If you are interested, refer to section 1. Understanding prototype in depth, getPrototypeOf and _ proto _ Prototype,

This article mainly introduces how to create an object in Javascript. js has three methods to create an object. Here we will give you a summary, interested friends can refer to one of the three methods of js to create objects. Here is a summary. 1.

The most successful part of jquery, I think, is that its extensibility has attracted many developers to develop plug-ins to build an ecosystem. This is like the big companies competing to do the platform, the platform to the world. Apple, Microsoft,

I have been reading the source code of kissy these two days and have been very hostile to its mix () function since the very beginning. From any perspective, this is an extremely inefficient implementation. However, after learning more about this

Recently, I just started learning unity 3D. Here I will record my learning experience and study notes, and write while learning. It may be scattered. Now, let's talk a little bit about it. Today we will start from the introduction to unity 3D, which

PDF file structure (1) ---- Physical structure Author: bobob Mail: zxbbobob@hotmail.com Original article: http://blog.csdn.net/bobob/article/details/4328450 PDF (Portable Document Format) is a useful file Format, its biggest feature is

Hello everyone, I'm Qin Yuanpei. Welcome to follow my blog. My blog address is blog.csdn.net/qinyuanpei. Today, I want to share with you the dynamic shadow in Unity3D. I have relived my favorite game "Gu jianqitan 2" and found that the game has

Js OOP programming and jsoop Programming Let's summarize the object-oriented programming of JavaScript today! I. Encapsulation /* 1. original object generation mode */ Var Cat = {name: '', color:''} // two instance objects are generated based on

I don't know whether it is an ESET problem or a developer problem. I have listened to the players downloaded from the official website of Youku, Baidu audio and video downloaded from Baidu, and iku software downloaded from Youku. ESET reports

It is often seen that some JavaScript code is messy and unintelligible. attributes and methods are everywhere, or a loop is nested with a loop. However, if object-oriented code is used, the code can be easily understood and modified. If you do not

Http://blog.csdn.net/aimingoo/article/details/6062997   I have been reading the source code of kissy these two days and have been very hostile to its mix () function since the very beginning. From any perspective, this is an extremely inefficient

This article mainly introduces classes in JavaScript in detail. This article describes the definition of classes in JavaScript, Constructor (Constructor) in JavaScript, and Class name, for more information about how to use Class in JavaScript, see

The js prototype chain and inheritance are the key points in js, so we will give a detailed explanation through the following three examples. Let's take a look at it with a small Editor. I hope it will help you. First, define an Object obj. the

　　　　Talking about the objectObject-oriented prototype chain inheritance this piece, it should be the most difficult to understand JavaScript, the younger brother is more difficult to turn, but also watched a long video, blog, slowly have their own

RPG game type of game, pig's feet through a scene, a corner, corner, camera lens can also be very good tracking focus, a lot of friends will want to, this camera how smart tracking and focus it?Before Itween also has the demo, but it is the practice

This article mainly introduces classes in JavaScript in detail. This article describes the definition of classes in JavaScript, Constructor (Constructor) in JavaScript, and Class name, for more information about how to use Class in JavaScript, see

String S1 = null;S1.trim ();//This will throw a NPE (null pointer exception).String s2 = "";S2.trim ();//The NPE will not be thrown at this time.The reasons are as follows:The null representation declares an empty object, where S1 is not a string.

1. Create an empty object, and the this variable references the object, and also inherits the prototype of the function. 2, properties and methods are added to the object referenced by this. 3. The newly created object is referenced by this and the