Several sorting methods of JavaScript

Javascript| sort The so-called sort, is to organize the records in the file, so that the key words in ascending (or descending) order. The exact definition is as follows:Input: N Records R1,r2,...,rN, the corresponding key words are K1,k2,...,k n

Validating input parameters in JavaScript

Javascript The list of parameters in a JavaScript function declaration doesn't mean anything ... They are purely for the convenience of accessing these parameters, and there is no limit to how the caller passes the arguments, how the caller wants to

Practical application of javascript: control of layers

Javascript| Control The development of the layer in the practical application of more important, such as floating ads, and so on, I have a brief discussion here.1. Show or hide the control layerBoth methods are in fact controlled style.Method One:

JavaScript application: IFRAME Adaptive to its loaded content height

Javascript| Loading | adaptive JavaScript application: IFRAME Adaptive to its loaded content heightMain.htm: iframe Adaptive Load Page height Child.htm: iframe Adaptive to its loaded Web page (multi-browser compatible) IFRAME Adaptive to its loaded

Using JavaScript to implement XMLHttpRequest

Javascript|request|xml|xmlhttprequest XMLHttp way to implement the brushless screen, tested on the Ie,firefox "Http://www.w3.org/tr/xhtml1/DTD/xhtml1-transitional.dtd" >xmlhttprequest Object demo category:choose onetop songstop albumstop New

Make the lottery system easy with JavaScript

Javascript At the end of the year, many companies are busy with the annual meeting, there will be some lottery activities, the following program is written in JavaScript with a simple lottery system to share with you. This code borrows some of the

About IE's memory leaks and JavaScript memory release

Javascript Recently to do a company's business system, the company requirements can be as close to C/s as possible, that is, such as C/S, click the text box can pop up the relevant content of the project, select Input.I use a pop-up window, and then

How to use JavaScript to determine whether the date of entry is legal

javascript| Date How to use JavaScript to determine whether the date of entry is legal function Isvalidyear (psyear){var syear = new String (psyear); if (psyear==null){return false;} if (isNaN (psyear) ==true){return false;} if (Syear = ""){return

JavaScript Event trigger list and narration

Javascript General Events Event Browser support Describe OnClick html:2|3|3.2| 4Browser: IE3| N2| O3 Mouse click events, more than the control of an object in the range of mouse clicks

The acquisition of properties for all JavaScript objects

javascript| objects From the first published article, until now to publish a second article, I do not think, I will not send out. These days have been looking for JavaScript all the objects of the properties and methods, there is no way, had to

A small demo of JavaScript reading and writing cookies

Cookie|javascript HTTP://WWW.W3.ORG/TR/XHTML1/DTD/XHTML1-TRANSITIONAL.DTD"> http://www.w3.org/1999/xhtml"> test cookie cookie Read and write test write cookie: user name: Password: read cookie:

Improving: How to optimize the performance of JavaScript scripts

Javascript| Script | performance | optimization With the development of the network and the speed of the machine, more and more websites use the rich client technology. Now Ajax is one of the most popular ways. JavaScript is an interpreted language,

Provides several useful JavaScript validation scripts

javascript| Script Here are a few useful JavaScript validation scripts, the following is a code snippet for your reference. function Isnum (num,low,hi) {if isNaN (num) | | numhi) return false; return true;}

Some of the JavaScript techniques you can refer to in the process of making Web pages

javascript| Reference | process | Web Page Event Source Object Event.srcElement.tagName Event.srcElement.type Capture release Event.srcElement.setCapture (); Event.srcElement.releaseCapture (); Event

How to optimize the performance of JavaScript scripts

Javascript| Script | performance | optimization With the development of the network and the speed of the machine, more and more websites use the rich client technology. Now Ajax is one of the most popular ways. JavaScript is an interpreted language,

Use JavaScript to implement commands for the browser menu

javascript| Menu | browser Implementation of commands in the "document (F)" Menu 1, open the implementation of the command [Format]:d Ocument.execcommand ("open") [description] This and VB and other programming design in the WebBrowser control of

JavaScript about window.open () application

Javascript|window Web pages are built on top of the window, and anything about the page is related to the window. Let's begin by familiarizing ourselves with the basic structure of the Internet Explorer that you commonly use. Normally, open windows

Web page Making example: using JavaScript to judge the date of entry validity

javascript| Date | Web page How to use JavaScript to determine whether the date of entry is legal function Isvalidyear (psyear){var syear = new String (psyear); if (psyear==null){return false;} if (isNaN (psyear) ==true){return false;} if (Syear = ""

Web tutorials: About IE memory leaks and JavaScript memory release

Javascript| Tutorials | Web page Recently to do a company's business system, the company requirements can be as close to C/s as possible, that is, such as C/S, click the text box can pop up the relevant content of the project, select Input. I use a

A design pattern for JavaScript

javascript| Design Simple design Patterns for classesDefine a class Class1function Class1 () {Constructors} To implement the member definition of a class by specifying a prototype objectClass1.prototype = {Someproperty: "Simple",somemethod:function {

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