JavaScript

Inheritance of objects in javascript [Post 〕 1. apply and call functions of javascriptPrototype. js uses a large number of apply and call functions, which may cause misunderstanding if you do not pay attention to them. Official explanation: apply a

I used the call implementation in javascript to inherit from the heavy load example in javascript passed by Dan yesterday. It feels good. Although I still don't know how to implement it, I still paste it out. Implement setTimeout to pass object

Read text file content in html

Web Layer Improvement II-using xmlhttp to submit complex forms without sound information xmlhttp is the best way to keep B/S programs away from refreshing pages for every action before the RIA era is approaching, it is also the most common

Control the movement of small squares with keyboard Elements Control of keyboard elements ns4 = (document. layers )? True: false; ie4 = (document. all )? True: false; function init () {if (ns4) {block = document. blockDiv;} if (ie4) {block =

The typical JavaScript effect set provides some practical and necessary small script code: Script 1: automatically play audio after entering the home page Script 2: Enter the homepage and click Script Self. moveTo (0, 0) Self. resizeTo (screen.

Another good implementation method of level 2 Linkage script [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

Written htc data table by xmg (MA Ge) The Code is as follows: ScriptIf (document. all ){Event. prototype. _ defineGetter _ ("srcElement", function () {var node1_this.tar get; while (node. nodeType! = 1) {node = node. parentNode} return node })

Sina's image news Effect The Code is as follows: Sina's image news Effect

Page self-adaptation through JAVAScript sometimes we may need to make some data display blocks adaptive according to the page size like the new Yahoo mailbox. The fact is not difficult, but if we simply use CSS control, we often cannot fully

Compatible with FF & amp; IE rolling code My Name is tomzhou! Hello, ipaddr Hello, bcomcn My Name is tomzhou2! Hello, ipaddr2 Hello, bcomcn2 script var scrolling = 0; var t = scrollcont. scrollTop; scrollcont2.innerHTML =

Drawing with JavaScript -- JS2D function set /******************* JS2D function set ********** * ********: neweroica 2003-3-28 CopyRight (C) 2003 retain this CopyRight information when you reference or reprint it. Thank you !!! This function set can

Javascriptobjectoriented Object-Oriented Programming initially uses new Object () to create an Object There are several methods for creating objects in javascript. Different methods can be used in different scenarios. The simplest is to use the new

Getting started with common code highlights this post is mainly to collect a variety of getting started code Hide and display Layers You only need to set the display attribute of the style. For example Hidden Layer You can use scripts to control

Js learning notes (I) 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,

Record the position of the scroll bar (userdate) record the scroll bar position script dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd [Ctrl + A select all Note: If

How does Prototype use dom. js? 1.1.23 this part provides a lot of convenient dom operations (writing is a little annoying) Methods: including the famous $ method, document. getElementsByClassName method, and Element Object, Insertion object The

How does Prototype use hash. js? 1.1.23 a Hash object (associated array) is a new Prototype object. To create a Hash object, you can call the $ H (object) method, because of the characteristics of javascript itself (the object itself is an

Javascript programming (Lesson 2) Today we are mainly studying the following: 1. java script Variables 2. java script expressions and operators You can use var and the name specified for the variable to declare the variable. The variable type can

How to Use Prototype in array. js? 1.1.23 $ A = Array. from (iterable ):Convert iterable to an array. If iterable defines the toArray method, this method is called. Otherwise, the iterable length attribute is used for enumeration. If iterable does