JavaScript

The Firefox browser is compatible with JavaScript scripts) Keyword:  The Firefox and IE scripts are incompatible. 1. Windows. Event compatible scripts Function getevent () {// gets browser events, and is compatible with

Batch filling of arrays in JS: 1. Fill in the statement at the same time VaR Beatles = array ("John", "Paul", "George", "ringo "); 2. We don't even need to explicitly indicate that we are creating an array. In fact, we only need to enclose a

DHTML is short for "Dynamic HTML" (Dynamic HTML). Strictly speaking, DHTML is not a single new technology, but a combination of HTML, CSS, and JavaScript. DHTML: Use HTML to mark webpages as various elements; Use CSS to design typographical

This may be a deep topic. What is Asynchronization? In general, asynchronous execution is delayed in JavaScript. Strictly speaking, the asynchronous programming capabilities in JavaScript are provided by BOM and Dom, such as setTimeout,

Javascript is an extremely powerful and flexible scripting language. unfortunately flexible, for example people, means fallible. I am going to highlight 5 best practices that you can use in any JavaScript project. these are very broad, I will follow

The following describes the solution adopted by the blog Garden (the code is directly copied to the blog Garden) // Global variable: Indicates whether a prompt is required to mark the current page (you can also declare whether it has been submitted

Reprinted from: http://hi.baidu.com/yydriver/blog/item/2f5ffc45f8bcbc2dcffca3d9.html Writing a script for an XMLHTTP request is not difficult. You can write it in two or three lines. However, every time you write data, you will find that there are

I am very interested in the extended scrapbook function of Firefox to save selected text and images. It should be a DOM operation to make it perfect. View the HTML of the selected content ). In fact, what I want to achieve is to send this part of

Modify from http://blog.csdn.net/dallasnash/archive/2007/04/18/1569068.aspx There is not much change, mainly because the error message is returned, so that the alert part can be called. It is said that regular expressions can be used for

From: http://www.jb51.net/article/17459.htm I have reprinted an article: http://www.cnblogs.com/GuominQiu/articles/1640380.html In addition, why does this post discuss? Extract key (last section) The description in the JS Reference Manual

Generally, window. onload is enough. To load multiple events, we can use the following method: Window. onload = function () {func1 (); func2 (); func3 (); // more loading events ..................} But if we need to do something before the page is

For many friends who want to learn JavaScript, it is undoubtedly the biggest headache for them to choose getting started books. It may also be the reason they have been afraid and even gave up learning JavaScript.In JavaScript, I am neither an

A simple and important concept for clearing simplified code is namespace ). Currently, JavaScript does not support namespaces (different from Java, C #, and Python), so we have to use a similar method to achieve the appropriate effect. In fact, the

There are three methods to define a function in javascript: (1) declare an expression variable and define the expression of the variable. For example: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->

To understand the functional programming principles in Javascript, you must understand two knowledge points: 1. Calls of functions and methods in Javascript In JavaScript, there are two methods to call functions. The general method is to put

This pointer is an important concept in object-oriented programming. It represents the currently running object. When implementing the object method, you can use the this pointer to obtain the reference of the object itself. Unlike other

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Typeof (undefined) = 'undefined' Typeof (null) = 'object' Typeof ("") = 'string' Typeof (0) = 'number' Typeof (false) = 'boolean'   My

The parsefloat () function parses a string and returns a floating point number. Its syntax is: parsefloat (string ); Note: Only the first digit in the string is returned. spaces at the beginning and end are allowed. Tip: if the first character of a

  I. Opening Dragging is already an old JavaScript topic, but it is also one of the most classic problems. Here, I use the object-oriented method to implement simple drag and drop, which is the basis for complex JS effects. Ii. Principles The drag

I. Opening After writing the last few drag-and-drop articles, many friends commented that it would be better to persistently drag the results. After learning about JavaScript's cookie operations and a little JSON knowledge, I modified the code of