var object

I just posted a post in ajacn about providing an object pool for XMLHttpRequest. It may help you. The post is as follows:Some comrades mentioned on the Internet that they provided an object pool for Ajax XMLHttpRequest and read the implementation

Anyone who has used Prototype knows that there is a class called Template. The usage example is as follows:Copy codeThe Code is as follows:Var str = '# {what} may have gone, but there is a time of # {how }';Var object = {What: 'swallows ',How:

var a=3;var object = { a:2, run: function() { alert(a); //a=3; } A why not 2?What does the a:2 in the object mean? Reply content: var a=3;var object = { a:2, run: function() { alert(a);

{Code...} why isn't a 2? What does a: 2 in an object mean? var a=3;var object = { a:2, run: function() { alert(a); //a=3; } }; object.run(); Why is a not 2?What does a: 2 in an object mean? Reply content: var a=3

The cast is divided into two types, the first of which is only temporary, and permanent conversions. In the interim conversion, the first can be shown in the first way, that is, the form of parentheses, temporarily converted to integer type we can

I just posted a post in ajacn about providing an object pool for XMLHttpRequest. It may help you. The post is as follows: Some comrades mentioned on the Internet that they provided an object pool for Ajax XMLHttpRequest and read the implementation

1. Scope chain 1.1. What is a scopeTalking about the scope chain, we have to start from the scope. Because the so-called scope chain is made up of multiple scopes. So, what is a scope?1.1.1 Scope is the execution environment of a function during the

The Dynamic object is contained in. Net4.0, which allows us to change its type at runtime, with this snake balm. What are the problems we can't solve? Let's take a look at some examples of its use: var type and dynamic type public static void

I just posted a post in AJACN about providing an object pool for XMLHttpRequest. May be able to help you, posted as follows: On the internet, some comrades have referred to providing an object pool for Ajax XMLHttpRequest, as well as reading their

When a function is called, an execution environment and the corresponding scope chain are created.The execution Environment (execution context) defines the other data that variables or functions have access to, and determines their respective

SB. 's proposalAsk who can explain this valuevar name = "the window";var object = {Name: "My Object",Getname:function () {return this.name;}};Alert ((Object.getname = Object.getname) ());--------the WindowAfter explanationObject.getnamefunc () (); I

Reprinted from Nanyi: http://www.ruanyifeng.com/blog/2009/08/learning_javascript_closures.htmlLearn JavaScript closures (Closure) Ruan Yi Fengclosures (closure) are a difficult and unique feature of the JavaScript language, and many advanced

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,

  In this article, I'll share a set of JavaScript tips, tricks, and best practices that JavaScript programmers should know whether they're in the browser/engine or server side (Ssjs--service Side JavaScript) on the JavaScript interpreter As you

1, first we need to know the variable scope chain The scope of a variable is divided into two types: global variables and local variables. A variable defined in any function is a global variable, and a variable defined in a function is a local

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,

First, feel the closure of the JavaScript functionTwo, closed package1, definition: A closure is a function that can read the internal variables of other functions, because in the JavaScript language, only the child functions inside the function can

1. How objects are created : (1) created by the new operator, followed by a constructor function name var object = new Object (); When a constructor calls directly, it usually does not return a value, it simply initializes the object passed in by

Let's look at the closure definition: a function that has access to a variable in another function scope. The common way to create closures is to create another function inside one function, first to look at an example: function

JavaScript develops classic techniques to share with everyone: 1. Be sure to use the var keyword the first time you assign a value to a variable Variables are not declared and are directly assignable, and the default is to be a new global variable,