JavaScript

After dinner, I went through the blogs of Daniel and accidentally saw an original article titled "original-javascript: Unexpected functions!". Bright Eyes,This idea is indeed domineering. You can ignore the escape of single quotes and double quotes

I have been writing JavaScript For A Long Time and want to figure out what Nan is? Is it a type? Or a convention? Run typeof Nan directly in the browser // return "Number" It indicates that Nan is a number, not a new type. Then there is a

1. Client 2. server  

The javascript architecture of the most common websites may be as follows: An underlying framework file, such as jquery A website business framework file, including the whole site public business module class (such as pop-up box, Ajax

Javascript tab switch class lixtabs, updated to version 0.5: Inspired by snandy's "read jquery" seriesCodeNow, you do not need to add new when calling lixtabs. You can write var tab = tabs (); Changed the original EVT parameter to an

1. var life ={}; class definition. In the process of assigning values to life. Age, define attributes, life. HanShu = function () {alert ('test')}: Define methods. 2. With (arguments. callee) {}, usage: indicates the execution object of the

ArticleDirectory I. Scope of Variables 2. How to read local variables from the outside? Iii. Concepts of closures Iv. Use of closures 5. Notes on using closures Vi. Questions Closure is a difficult and characteristic

Opera found the most expensive Javascript Code . Due to this line of code, the server vendor successfully dropped the million orders. Origin: Some time ago, Opera browser companies needed more and more servers. The company has predicted that

We know that by default, an object can be constructed by using new in front of a function. Each object has a constructor attribute, which points to the function that constructs the object. For example, debugging in Chrome is as follows:Program,

ie: document. body. clientwidth ==> body object width document. body. clientheight => body object height document.doc umentelement. clientwidth => visible area width document.doc umentelement. clientheight => visible area height in Firefox:

A simple UBB editor has just been completed recently. It is the editor used for comments and comments on this blog. Many browser compatibility problems encountered during Javascript writing are recorded here for reference. When writing JavaScript,

Abstract:Silverlight 2.0 beta1 has been released and many exciting new features have been added: wpf ui framework, rich controls, rich network support, and rich base class library support. This is my study note, which is quite messy, so it is named

Q: Why is string connection so slow?Let's take a look at the following section.Code: VaR Str = 'Abc ';Str + = 'Def '; The system has done the following work behind this Code:1. Allocate corresponding memory areas for 'abc' and store

Script Language = " Javascript " > Function Key () { If (Event. shiftkey) {Window. Close ();} // Disable shift If (Event. altkey) {Window. Close ();} // Disable alt If (Event. ctrlkey) {Window.

1 // Check whether email has been registered 2 Function Checkexists () 3 { 4 VaR E = Document. getelementbyid ( " Mailaddress " ). Value; 5 If (E ! =   "" ) { 6 If ( ! / (\ S) + [@] {1} (\

1. What is JavaScript?Javascript is a client scripting language that is based on objects and event-driven and secure. It is also a scripting language widely used in client web development. It is often used to add dynamic functions to HTML web pages,

The eval () function JavaScript has many tips to make programming easier. One of them is the eval () function, which can execute a string as a javascript expression. For example, VAR the_unevaled_answer = "2 + 3"; var the_evaled_answer = eval ("2 +

Combination Mode and inheritance: First, we recommend Uncle Tom's understanding of the Javascript series for various JavaScript modes. Address: http://www.cnblogs.com/TomXu/archive/2011/12/15/2288411.html I have a deep description of various

It is better to change the title to review, because there are a lot of knowledge points in the book, which is not easy to summarize. I would like to mention it and repeat the Code if I think it is important. To continue (2), delete a node from Dom:

========================================================== ==================================== References Http://nexgenmedia.net/evang/iemozguide/ Http://www.javascriptkit.com/domref/ Pass FirefoxBuilt-in tool learning methods: Open TOOLS> dom