JavaScript

1. oncontextmenu = "window. event. returnvalue = false" will completely block the right mouse button NO 2. cancel selection to prevent Replication 3. onpaste = "Return false" Do not paste 4. oncopy = "Return false;" oncut = "Return false;

I have recently seen some ideas. Javascript scope chain sometimes causes some strange problems. As a weak type of JavaScript, functions are also objects. The scope of variables is effective in the function body and has no block scope. When

Step 1:Open an existing Asp.net application in Visual Studio 2005ProgramWhich requires some JavaScript. Step 2:When we create a web project in Microsoft Visual Studio, a file named Web. config is created in this web project by default. Let's check

Method 1: VaR newopen = function (ID, level) { Return function () { Opentree (ID, level); // This function is an execution function defined externally; } } X. attachevent ("onclick", newopen (ID, parseint (level) + 1 )); Y. attachevent ("onclick",

Parsing from a file: Html > Body > Script Type = "Text/JavaScript" > Try // Internet Explorer {Xmldoc = New Activexobject ( " Microsoft. xmldom " );} Catch (E ){ Try // Firefox, Mozilla, opera, etc. {Xmldoc =

Many people are interested in the dynamic logo on the Google homepage today. I have also implemented it, but I just found someone in the garden has already logged on first (please refer to here )... After all, it is the result of my own work. I 'd

The syntax of the replace method is stringobj. replace (rgexp, replacetext) Where stringobj is a string, reexp can be a regular expression object (Regexp) or a string (string), and replacetext is a replacement string found .. For better

Object It is a small piece of JavaScript "sphere of influence". It can be a text, an image, a form, and so on. Each object has its own Attribute , Method And Event . Object Attribute Is to reflect some specific properties of the object, such as:

Some time ago I learned JavaScript and spent some time writing something about JavaScript object-oriented. I hope I can help you. Of course, many of my understandings are superficial, so I hope you can give me some suggestions or make some mistakes.

With the proliferation of Ajax, we sometimes need to get variables from the URL for user interaction. This function provides the method to obtain: function getquery (name) {var Reg = new Regexp ("(^ | &)" + name + "= ([^ &] *) (& | $)"); var r =

The following is an example of the replace method in Javascript. The following example demonstrates how the replace method replaces the first word "the" with the word ". Function replacedemo () {var R, RE; // declare the variable. VaR Ss = "the man

Description Event indicates the event status, such as the element that triggers the event object, the location and status of the mouse, and the key to be pressed. The event object is valid only when an event occurs. Some Properties of the

JSON is a subset of JavaScript, so it is very simple to use JSON in JavaScript.JS Code VaRMyjsonobject = {"Bindings":[ {" ircevent " : "PRIVMSG" , "method" : "newuri" , "RegEx" : "^ http ://. * " }, {" ircevent " :

The following describes how to do this by naming the three pages as framedemo.html, top.html, and button.html. In this example, framedemo.html consists of two pages,CodeAs follows: framedemo Now, let's set the top.html, that is, there is a

1.doc ument. Write (""); Output statement 2. Comments in JS are // 3. The traditional HTML document sequence is: Document-> HTML-> (Head, body) 4. the DOM sequence in a browser window is: window-> (navigator, screen, history, location, document) 5.

First of all, I have to say that I cannot go beyond the concepts of classes and objects to see the Javascript realm. There are many statements about whether Javascript is object-oriented, but what I most agree with is that JavaScript is a

There are many unit test frameworks in the Javascript world. Here I only recommend a few ones that I am familiar with and think are doing well. If you find a well-used or new test framework, please let me know :) JsunitThe systematic solution is

Event source object Event. srcelement. tagnameEvent. srcelement. Type Capture and release Event. srcelement. setcapture ();Event. srcelement. releasecapture (); Event buttons Event. keycodeEvent. shiftkeyEvent. altkeyEvent. ctrlkey

Some abnormal JavaScript questions I just found are just half done. I would like to share them with friends in the garden. These questions are for the third edition of ecmascript. All the original questions are multiple-choice questions and there

Html > Head > Title > JS operationsCompositionThis document Title > Head > Body > Script > VaR Arr =   New Array ();Arr [ 0 ] = [ 0 , " Name0 " , " Value0 " ];Arr [ 1 ] =