JavaScript

Node type NodeTypeHere are some important NodeType values:1: Elemental Element2: Attribute attr3: Textual text8: Note comments9: Document Documents Nodename,nodevalue Node relationship ChildNodes: Each node has a ChildNodes property, which holds a

Fit to read: Know nothing about JavaScript ~ one step away from mastery Basics: HTML That's what JavaScript is about. 1: basic knowledge 1 Creating script blocks 1: 2 Hide Script code 1: Do not execute related code in browsers that do

The BOM for JavaScript ECMAScript is the core of JavaScript, but if you want to use JavaScript on the web, then the BOM (Browser object model) is undoubtedly the real core. The BOM provides a number of objects that are used to access the

Some people told me that the second lesson is not clear, I do not know whether the writing is too general, not meticulous, or other, what is the problem, everyone to put forward, of course, I do not is what JS master, just want to bring the fans in

In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value. void operator usage format is as follows: 1. javascript:void (expression) 2. Javascript:void expression Expression is an expression

Explore JavaScript The this pointer points to The first thing you have to say is that this point is not certain when the function is defined, only when the function is executing to determine who it is pointing to, and actually this is ultimately

1. Document.form.item question (1) Existing problems: There are many Document.formName.item ("itemname") statements in existing code that cannot be run under MF (2) Solution: Switch to document.formname.elements["ElementName"] (3) Other See also 2

51js ============= Reference methods within the same page: 1. Use ID: Link1.href 2. Use name: Document.all.link1.href 3, the use of Sourseindex: document.all (4). href/note, the front also has HTML, head, title and body, so it is 4 4, use

Front. In the previous article, we introduced the JavaScript animation simulation dragging effect article. However, in practical applications, it is often necessary to limit the range of elements to be dragged. By limiting the range and adding some

Front. Scroll bars appear when element content overflows the element size range. But because the scroll bar in each browser performance is different, the compatibility is not good. Therefore, the simulation scroll bar is also a very common

The example in this article describes how JavaScript obtains server time. Share to everyone for your reference, specific as follows: JavaScript is run on the client script, we generally use new Date () to get the current time, but get the client

Using  Javascript  parsing links (URLs) is a common requirement, and this article describes a very sound,  Javascript -written link (URL) parsing class that can accurately capture a complete   The contents of each part of the url , including

For ..... The in declaration is used to iterate through an array or an object's properties (a circular operation of a group or an object's properties). JavaScript for ... In declaration For ..... The in declaration is used to iterate over the

This article is an introduction to the considerations when using Exec for regular expression global matching in Javascript. Let's take a look at common usage: Copy Code code as follows: Next, look at the bizarre events in

The template separates the data from the presentation, making the logic and effects of the presentation easier to maintain. Use JavaScript function objects to build a very simple template transformation engine in one step Introduction to Templatesa

The browser handles HTML page rendering and JavaScript script execution in a single process, so when the browser encounters the This load of multiple JS files, the browser will be downloaded after the implementation of JS code and

From array to object var myarr = [' Red ', ' blue ', ' yellow ', ' purple ']; myarr;//["Red", "blue", "yellow", "purple"] myarr[0];//"Red" myarr[3];//"Purple" Array everyone is familiar with it, we can understand that a key

In JavaScript, a single example pattern is one of the most basic and often used design patterns, and may inadvertently be used in a single case pattern.This article will start with the most basic theory, the basic concept and implementation of the

First, take a look at the method of selecting elements from an array slice ():Source: click the button to extract the second And the third elements from the array. try it Test results: Orange,lemon We can use

The previous article explains the dynamic creation of nodes and the deletion of nodes, and this article explains how to do simple animations with setinterval and settimeout. Grammar is window.settimeout (FN, delay), Window.setinterval (FN, delay) FN