JavaScript

I wrote about the 3D ball navigation on the left a few days ago.ArticleClassification. Here we will make a simple record of implementation details. Effect: The category title displays a 3D spherical effect. When you click the category title, a

In the browser, some events are triggered very frequently, almost within milliseconds. The most typical event is document. onmousemove. Such frequent events often do more harm than good. Today we can see a good solution. Here we can slightly improve

Sometimes, in order to accurately locate an element, we need to obtain the position of the scroll bar. This requirement is often used in applications such as tooltip and drag-and-drop. In fact, this technology is very simple. The key is to consider

Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> @ Page Language = " C # " Autoeventwireup = " True " Codefile = " Cookie. aspx. CS " Inherits = " Cookie "   %>

As we all know, JavaScript testing is troublesome. Generally, some browser plug-ins, such as IE develop bar or firebug, are used for debugging. Testing usually requires locating through JS error prompts displayed on the page. Are there other

Method 1: // Converts a date to a string in the specified format. // Month (M), Day (D), hour (H), minute (M), second (s), quarter (q) can use 1-2 placeholders, // Year (y) can use 1-4 placeholders, Millisecond (s) can only use 1

Whether the group Array Extension contains element attributes: // Extended Function (whether it contains an element) Array. Prototype. Contains = Function (E) { For (I = 0; I This . Length; I ++) { If ( This [I] = E) Return True ; }

Recently, I have encountered some questions about how to embed Javascript in updatepanel on the Microsoft Ajax forum. The cause is that AJAX only replaces the innerhtml of the Div representing an updatepanel with the data returned from the

/* * Append a string to the end of the string * */ String. Prototype. append = Function (STR ){ Return This . Concat (STR );} /* * Delete the characters at the specified index location. If the index is invalid, no characters will be

Function changedate (VAL ){VaR currdate = Document. getelementbyid ("txt_time ");VaR date = new date ();If (val = 0 ){Currdate. value = date. getyear () + "-" + (date. getmonth () + 1) + "-" + date. getdate ();}Else {If (chkdate (currdate. Value

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Javascirpt (JS) is a scripting language developed by Netscape and sun. Its syntax is very similar to that of Java. 1. js Purpose As we all know, HTML is displayed to users as static pages, rigid and monotonous. At the same time, before

What is arguments? Arguments It is a built-in object in Javascript. It is odd and often ignored, but it is actually very important. All major JS function libraries use the arguments object. Therefore, the agruments object isProgramPersonnel must be

First, although it is called the foreach syntax, the keyword is still for. This syntax is just a simplification of the for syntax that is usually used.   This syntax is usually used to traverse arrays at most. At this time, each loop obtains an

Encodeuri ()The function can encode a string as a URI. This method does not encode ASCII letters and numbers, and does not encode these ASCII punctuation marks :-_.! ~ *'(). The purpose of this method is to fully encode the URI. Therefore, the

The semicolon in Javascript indicates the end character of the statement. However, because JavaScript has a semicolon automatic insertion rule, some people think that it is not necessary to write the statement. In general, A line feed produces a

This articleArticleI tried my best to explain the closures in Js. I would like to express my gratitude to the people who love and write well. I have benefited a lot from this. However, this time I want to write this story in another way, that is, to

Definition criteriaIE:Document. Body. clientwidth ==> body object widthDocument. Body. clientheight ==> body object heightDocument.doc umentelement. clientwidth ==> visible area widthDocument.doc umentelement. clientheight => visible area height

Webgl is a technology used to present 3D images in Web browsers. It is different from the browser plug-ins installed in the past. With webgl technology, you only need to compile web pages.Code3D images can be displayed. Webgl can provide hardware 3D

Css3 provides two ways to implement animation, transition and animation. Animation involves customizing a type of "@ keyframes". It is too complicated to use insertrule, so this article will skip it. Some of them are also considered as transform,