JavaScript

1. First, it can be used to represent variables,For example, the variable var s = 'asdsd' or var $ s = 'asdasd ';2. In a regular expression, it can match the end/Sa $/. test (string)Match the sa in the string. For example, string = '125sa' matches

Scenario 1:Var yx01 = new function () {return "center "};Alert (yx01 );When we run the scenario 1 code, "[object]" is returned. This code is equivalent:Function Anonymous class (){Return "center ";}Var yx01 = new anonymous class ();Alert (yx01); we

You can paste the following statement into the address bar and press enter to see the effect.Javascript: with (document. body) {background = ""; bgColor = "#779966"; text = "# bb4400"}; void (document. styleSheets [0]. addRule ("TD", "border: 1

Update the transformation matrix to record rotation (function remx ()).Use a matrix to calculate the coordinate of the cube after rotation,Convert the spatial coordinates of each vertex to the plane coordinates (function p2d () according to "near,

Use JavaScript frameworksWhen talking about the window object, we mentioned that a webpage in the framework is also a window object, that is, the Frame object is also a window object. In the simplest case, each HTML file occupies a window object,

Recently, I have been studying Javascript-related technologies. In the Javascript advanced programming, a chapter focuses on the importance of optimizing Javascript code. I believe that many Javascript developers will be more or less exposed to such

In the first two weeks, I saw a friend say how to use JS to implement the flash image on http://women.sohu.com/page. The two days were blank and I made a comment:[Loading images slowly. Please wait] www.jb51.net script house JS image switch::

More and more browsers now have the function of blocking pop-up windows. It doesn't matter if the advertisement pops up and stops it. If the customer stops it during payment, it won't be a mess.Gmail's "oh" is classic, but the other day, Xin Cloud

Example: 1Copy codeThe Code is as follows:Function (){Alert ("I am my feet ");}2Copy codeThe Code is as follows:Var a = function (){Alert ("I am my feet ");}The methods of 1 and 2 are equivalent. 1 is a famous function, while 2 is just to point a

There are many simulated city systems on the Internet, but it seems that most of them are developed in FLASH.Currently, the core scripts such as pathfinding are implemented using JS. Most image clips are modified from the network.This version is

DomainClass. js/*@ Class DomainClass (second-level domain name conversion Class)@ Author Xiaoyao cloud-http://bbs.51js.com@ Version 1.0@ Date 2006-11-2@ Rights keep this information if you use it. Thank you.*/Function DomainClass (){// Record

I often use the relatively easy-to-use effect, which is often used in order management. JS table sorting does not need to be calculated again using ASP. NO. name amount quantity date click 1 a 1.26 5 321-1-5 2 e 12.6

/* the script and web page share the same file for testing the script and web page share the same file for testing */ [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

Try to use all the operations and attributes for demonstration.Copy codeThe Code is as follows:

How to use JAVASCRIPT to implement the function of changing the text in a cell to editable INPUT or SELECT when the corresponding cell is clicked, and then the text in the cell is changed to the modified text after the cell is left.The following

① Document. getElementById sometimes misses the name, which is said to be a BUG in IE;Http://community.csdn.net/Expert/topic/4223/4223888.xml? Temp =. 1947443.The page containsProgram codeOne is name = "category_id" and the other is id =

Javascript cannot support function overloading, as shown below:Copy codeThe Code is as follows:Function f (length){Alert ("high:" + length );}Function f (length, width){Alert ("height:" + length + ", width:" + width );}The above Code does not

Copy codeThe Code is as follows:Var Default_isFT = 0 // whether the default is traditional, 0-simplified, 1-traditionalVar StranIt_Delay = 50 // translation delay in milliseconds (this is designed to make the webpage appear smoothly first)// -------

Copy codeThe Code is as follows:(Wuhen Note: document. all is a unique attribute of ie, not a World Wide Web Standard)When there are multiple widgets with the same name on the page, what do you do first? Determine the length? Indeed, from the strict

JS and HTML code running tools JS and HTML Script running tool [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]