JavaScript

JavaScript Array Operation source URL: http://www.cnblogs.com/zhangzt/archive/2011/04/01/2002213.html 1. Create an array VaR arrayobj = new array (); // create an array VaR arrayobj = new array ([size]); // create an array and specify the length.

// Hash. JS // defines the Javascript class var hash = function (h) {This. _ DATA = new object ();} function hash $ clear () {delete this. _ data; this. _ DATA = new object ();} function hash $ add (Key, value) {If (! Key | typeof (value)

Source: http://www.laruence.com/2009/05/28/863.html Question proposal First, let's look at an example:VaR name = 'laruence ';Function echo (){Alert (name );VaR name = 'Eve ';Alert (name );Alert (AGE );}Echo (); What is the running result? I believe

For example, in a PHP file     The following code is available:   Echo ' '; ?>   The pop-up is garbled. Even if charset = UTF-8 or charset = gb2312 is added to the script tag, it will not work:   Echo ' '; ?>  

Arrays are one of the most involved data types since I learned programming. To put it bluntly, arrays are nothing more than key-value pairs. I still remember that when I first joined my job, a PHP foreach loop almost made me vomit blood. Now I think

After reading "Return of the Javascript King", I found "javascript design mode" in the library. I have read the previous design mode books: "head first design mode" and "Zen of design mode". gof read part of design patterns: Elements of reusable

Javascript syntax check and build tools-Use of jslint and nodejs This article is intended for advanced JavaScript developers! This article applies to developers who intend to create libraries similar to jquery. After mastering the methods described

You will often encounter this problem. The length of a string is different from the actual number of bytes occupied, because it contains Chinese characters with full-width characters. (1) An escape function can be used to obtain a hexadecimal

The use of call in Javascript is quite tangled. It is difficult to determine whether you really understand it based on the document. Call MethodApplied to: Function objectsCall a method of one object to replace the current object with another object.

JSON (JavaScript Object Notation) is a lightweight data exchange format. It adopts a completely language-independent text format and is an ideal data exchange format. JSON is a native JavaScript format, which means that no special API or toolkit is

This blog is reproduced in: http://devbean.javaeye.com/blog/412296 Elegant encapsulation or execution efficiency? This is a paradox. The elegant encapsulated program looks so beautiful: after each property is hidden in an object, what you can see

Although the function of opening the select dialog box and saving the file dialog box is not often used in the browser, it can still be used. For example, a Web player allows users to select a local video or audio file. It is relatively simple to

Cycle Slideshow Cycle Slideshow Previous Next Pause Photo by Alin Nan Photo by David Kitchenham Photo by jeltovski Photos by Alin Nan Photo by David Pattee Script 7.4

Introduction Aptana is a very powerful and open-source development tool dedicated to Ajax development. Let's take a look at its function description in the open-source Chinese community: Code assist in Javascript, JavaScript, HTML, and CSS;

When you are not easy to make a page that you are satisfied with, you will not be able to see piracy elsewhere, so below is the code you may want to use!1. Right-click prohibited menu: oncontextmenu = "Return false" 2. Drag prohibited: ondragstart =

Financial tasks always have high requirements on performance, usability, and accuracy, including some small details.For example, when the amount needs to be displayed, it is converted to a sub-digit with two digits after the decimal point. When

Four very useful Dom Methods: getelementbyid, getelementbytagname, getattribute, and setattribute More useful than callback: 1. Create a new Dom element. The parameter is the tag name -- document. createelement ("tagname ") 2. Add an element to an

Not to mention, first run the Code. This is the page code we load: JS calls Android MethodJS on AndroidNew button will show below: 1. How does JavaScript call Android functions: Webview = new webview (this); webview. getsettings ().

Trackchanges. JS: use JavaScript to record users' changes in the form Principle:1. Generate a false input element for each field (except submit/reset/button/image) in form to save the initial values of each element in form during page loading. 2.