Prototype. js-powerful JavaScript class library

Prototype. JS is a very elegant JavaScript base class library, which has made a lot of extensions to Javascript, and supports Ajax very well. There are multiple effect libraries based on this library in foreign countries and they have done a great

JavaScript to manipulate clipboard

Javascript allows you to easily operate the client clipboard content, but it is only applicable to ie5 and later browsers.Javascript can use the window. clipboardData object to process the clipboard content.Method for saving to clipboard setdata

Call JavaScript through href

You can use href to call Javascript. There are two simple methods:Method 1 click here for JavaScript action! Note: if Javascript is disabled by the browser, an error is prompted to warn readers that JavaScript cannot be run.Program.Method 2 click

How JavaScript timers work

At a fundamental level it's important to understand how JavaScript timers work. often times they behave unintuitively because of the single thread which they are in. let's start by examining the three functions to which we have access that can

Array object in Javascript

The array object in Javascript is a dynamic array, a stack, or a dictionary; It is a dynamic array because data is dynamically added; VaR myarr = new array (); myarr [0] = 1; myarr [1] = 2; myarr [2] = 3; myarr [3] = 23;

Two common methods for creating object classes in Javascript

1. Mixed Constructors/prototype Function car (scolor, idoors, impg ){This. Color = scolor;This. Doors = idoors;This. mpg = impg;This. Drivers = new array ("Mike", "Sue ");}Car. Prototype. showcolor = function (){Alert (this. Color );}; Test:VaR

Implementation of JavaScript static classes

I wrote about the class implementation earlier, and then let's look at the implementation of the static class. This is frequently used in Javascript, because there are not many pages based on the same class object for current webpages, the

JavaScript Application: select all or select none for the check box

Input type = Checkbox name = Mm value = A onclick = " Checkitem (this, 'mmall ') " > BR > Input type = Checkbox name = Mm value = B onclick = " Checkitem (this, 'mmall ') " > BR >

Application of object-oriented programming in JavaScript (I)

For people who are engaged in or planning to engage in programming, object-oriented is a familiar word, and almost everyone can list some object-orientedProgramming LanguageFor exampleC ++,Java,C #And so on. In fact, object-oriented thinking is

Data transmission between JavaScript forms

Today, a friend asked me about how to use JavaScript to transfer data between various forms on the page. I wrote it before, but I never paid attention to it. Today I have summarized it, I hope to give you some help and summarize the previous and

Javascript is sometimes useful

Note: The element name attribute on the page and the name referenced by JavaScript must be case-sensitive. Otherwise, you will be prompted with an error message "the referenced element is null or not an object" ---------------------------------------

Javascript perfect drag class

Drag-and-drop is a commonly used control in Web pages, so it encapsulates a drag-and-drop class.   View demo // call method: VaR box1 = document. getelementbyid ('box1'); var d1 = new dragdrop ({target: box1, Area: [0, document. body.

Rssreader JavaScript Edition

The RSS subscription demonstration implemented by JS supports IE and Firefox. However, due to browser security restrictions, you can only subscribe to RSS on cnblogs online. Local TestCodeDownload: http://files.cnblogs.com/Icebird/RSSReader.rar

Javascript control text bar can only enter numbers

Html Code  Input Type="Text" ID="Txt1"> HTML code Script Type="Text/JavaScript"> $ ("# Txt1"). numeral (); Script>   JS Code $. FN. numeral =Function(){ $ (This).Css ("Ime-mode","Disabled"); This. BIND ("Keypress",Function(){

How to optimize the performance of JavaScript scripts

With the development of the network, network speed and machine speed, more and more websites use a variety of client technologies. Ajax is currently the most popular method. Javascript is an interpreted language, so the performance cannot reach the

Summary of some Javascript methods and attributes

Javascript events and attributesJavascript Event Query SynthesisClick () object. Click () enables the object to be clicked.Whether the closed object window has been closed; true/falseCleartimeout (object) clears the set setTimeout

Call the JavaScript method for page loading in webbrowser

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Using Axshdocvw; Using Microsoft. VisualBasic; Using Mshtml; Axwebbrowser AWB=(Axwebbrowser) page. controls [0];Shdocvw. iwebbrowser2

Use webbrowser to operate Javascript

The webbrowser control in winform can execute existing JS operations on the current page, but does not support custom JS operations.   Therefore, Microsoft. mshtml. dll should be referenced for implementation.   The interfaces in the DLL are

How does WebService allow remote access? If you use JavaScript to call WebService

1. Add the following section between . Because my WebService is called on the page using JavaScript and uses the POST method to call WebService through httprequest In fact, you only need to This configuration 2, Use JavaScript to call

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