JavaScript

Differences between null values and undefined values in Javascript Undefined type Only one undefined Value The following three types of typeof return types are undefined: 1. When the variable is not initialized 2. When the variable is undefined

Very nice js tree menu /*---------------------------------------------------------------------------*\ | Subject: JavaScript Framework | Author: meizz | Created: 2005-02-27 | Version: 2006-08-11 | ----------------------------------- | MSN:

As I said, I want to write a JS framework. I know someone will go through my BS, but: Continue to BS! I still want to write my JOBJ. I don't have much time, most of which are written out of work. The Code is as follows: JObj. Dom. $ tag ("INPUT ")

Comparison of the Javascript efficiency of various Javascript browsers it is reported from an article on "translated words" that the comparison of Javascript in various browsers. As a Javascript developer, I personally pay more attention to this

Original use of the official JavaScript image browser from ImageSee: visit the "imagesee.htm URL +? Pic = image URL & page = URL of the image-related webpage ", where the page parameter can be ignored. About ImageSee: ImageSee is an open-source web

The Template of Ext can be used to parse the second-layer json data. The Template of Ext supports Template replacement by passing in json data. There is an example in the API: The Code is as follows: Var t = new Ext. Template (' ','{Name: trim}

Five precautions during JavaScript development Only Use the submit event on the element If you want to bind an event handler to formInstead of binding a click event to the submit button. March: This method is good, but when the company uses

7. MicrosoftOnline-CrashControl, version6.0 (Microsoft online crash Control) Microsoft Slider Control, version 6.0 current value: maximum value:

This article mainly introduces the JavaScript date selection function, and analyzes the javascript Date and Time related operation skills in the form of examples. If you need it, you can refer to the next article to introduce the JavaScript date

Autocomplete disable auto-completion [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute] NeverModules-autocomplete Cross-browser IE 6.0-Opera 9.0--Mozilla 1.5.0 Example list Google suggest demo in

Packer3.0JS compression and obfuscation tool download an open-source tool for JAVASCRIPT encryption PACKER2.0.2 This is not a very complex coding tool, which can be directly recognized by the browser After encoding. Sina is in use. For example:

Complete JavaScript comments on the drag-and-drop effect of google's personalized homepage [to] by Tin Source: http://www.blogjava.net/iamtin/archive/2006/04/27/43668.html Code: http://www.blogjava.net/Files/iamtin/google_drag.rar The Code is as

JavaScript elementary tutorial (Lesson 3) This course aims to call the target name. In this example, the window name is yer_new_window. Now that we have simply reviewed the href goal, we should start learning to open a window in JavaScript. Window

JavaScript guidelines This section describes other important things that need to be understood when JavaScript is used for encoding. JavaScript is case sensitive. A function named "myfunction" and a function named "myFunction" are two different

ArrayList class (enhanced edition) Author: moonlight From: http://bbs.51js.com/thread-66469-1-1.html The Code is as follows: ScriptFunction ArrayList (){Var ins = Array. apply (this, arguments );Ins. constructor = arguments. callee;Ins. base =

Floating advertisement js implementation Script var Rimifon = {"Ads": new Object, "NewFloatAd": function (imgUrl, strLink) {var ad = document. createElement ("a"); ad. dirV = true; ad. dirH = true; ad. autoMove = true; ad. image = new Image; ad.

Using JS to obtain the IP address and MAC of the IE client does not seem to be able to do B/S structure of the system, we often need to obtain some client information, such as IP and MAC, for identity authentication. In ASP. NET, it is easy to get

JS achieves 360-degree rotation of the panorama Effect script var scrl, direction = "right"; var x, xold, xdiff, I = 1; function change (start) {if (direction = "right ") {if (p1.scrollTop + 190 0) {p1.scrollTop-= 190;} else {p1.scrollTop =

Obtain the offsetTop, offsetLeft (For: IE5 + FF1) offset between any Html element and body. [problem: How can I get the offset distance between any Html element and the body element on the page? The offsetTop and offsetLeft attributes have

In the element. appendChild (newNode) method, if newNode itself is a node in the Dom, The appendChild method is no longer executed. It is an append operation, but a move operation. For example: script function f () {document. body. appendChild