JavaScript

Recently, in the learning Javascript,java as a domain chain contains global, record common global properties and methods, when it is the accumulation of knowledge, not listed all, if you need to see all the relevant JS API documentation. Common

The label (label) in JavaScript is an identifier. A label can have the same name as a variable, which is a separate syntactic element (neither a variable nor a type), and its function is to identify the "labeled statement" Label declarationA label

In most browsers, when an event handler is triggered, the class instance named event is passed into the processor as the first parameter. IE, which has always been dominant, has acted in its own way, saving the event instance to a global attribute

When writing Javascirpt code, the two operators, typeof and Instanceof, are used every now and then, which is necessary. But! The use of them is always not directly to get the desired results, very tangled, the general argument that "these two

JavaScript does not support real classes in languages like Java, C #, and so on. However, in JS can be defined pseudo class. The tool to do this is the constructor and the prototype object. First, the constructor in JS is introduced. The syntax for

Today we're talking about a Boolean type in a data type that returns True and false two literals, and it needs to be noted that the literal value is case-sensitive, meaning that all but the lowercase are just identifiers. The following are mainly

(1, 2, 3); return 3; Very curious, why return 3? What kind of mechanism is this? What is the effect of parentheses? (1, 2, 3, alert) ("amazing!"); It's even more fun to call alert directly, which can be invoked by a global function. The

SetAttribute (string name, String value): Adds a new property that specifies the name and value, or sets an existing property to the specified value. 1, Style problems The class in setattribute ("Class", value) refers to changing the attribute of

In this technical forum, for everyone to write a I think of JS. HoHo JavaScript seems to have always been interpreted as a scripting language, and program developers tend to look at it. Think of a script is not too much difficulty, it seems to do

Simply put, it has three features: Copy Code code as follows: * The total number of States (state) is limited. * At any one time, only in a state. * Under certain conditions, from a state transition (transition) to another state.

Native JavaScript code written in 2048 games. It is recommended to run under Google Browser. 2048.html Copy Code code as follows: 2048 tap to start:-) 2048.css Copy Code code as follows:

One, variable When it comes to the delete operator in JavaScript, it's a matter of first figuring out the relationship between variables and attributes in JavaScript. In JavaScript, variables and object attributes are very subtle and can be

Traditional way Element.onclick = function (e) { //... }; 1. Advantages of traditional binding Very simple and stable to make sure it works in the same browser you use When handling an event, this keyword refers to the

The attributes and property of DOM elements are easily mixed with each other, it is not clear that the two are different things, but the 倄 are closely related. Many novice friends, including the former me, often do not understand.Attribute

~: Bitwise non-operator is represented by a wavy line (~), and the result of performing a bitwise non is the inverse code of the return value. Copy Code code as follows: var num1 = 3; My lucky number is 3. var num2 = ~ (NUM1);

About the animation in the webpage, we already can use some properties to make quickly in the CSS3, but sometimes for the compatibility of the browser we still need to use JS to make the animation of the webpage. Use JS to do animation The most

Avalon is a front-end MVVM framework that completely divides all the front-end code into two parts, and the processing of the view is implemented by binding (angular has a cooler noun call), and business logic is concentrated in an object called a

The first is to distinguish between two concepts, one is anonymous function , the other is closure . The anonymous function is to create a function without a given function name. Often, including function expressions, you define an anonymous

Property:1Attributes Storage node's list of properties (read-only)2childNodes Storage node List of child nodes (read only)3dataType returns the data type of this node4Definition definition of a node given in a DTD or XML schema (read-only)5Doctype

We've already covered speed animations, transparency animations, multiple object motions, and arbitrary value changes, and we've covered a simple prototype of the plugin in JavaScript animation (b), and we're going to expand on the previous