JavaScript

Web page special Effects province city area level three linkage menu -- JS file

Recently, I shared a directory where all the EXE files are infected with the virus, the Internet to find out that it is "logo1_.exe" this banging ghost. Online on the harm of the virus is very high, that as long as the virus, the entire machine can

First lesson--anonymous function One, what is an anonymous function? There are generally three ways to define a function in javascript: 1. Functions keyword (function) statement: The code is as follows Copy Code

Two days ago I had a former co-worker who was always asking me JavaScript object-oriented stuff, so just write an article to let him see it, this article mainly wants to explain the JavaScript object-oriented programming from a whole point of view. (

method One:Personally think the best way. Using regular expressions, this is the core principle.Second, this method uses the prototype properties of JavaScriptIn fact, you do not use this property can be implemented using the function. But this is

Where to insert JavaScriptJavaScript can appear anywhere in the HTML. Using tag The second and fourth lines are to let browsers that do not understand " tag. The reference tag also has an attribute: language (abbreviated Lang), which describes

JavaScript objects have little in common with traditional object-oriented objects, and in traditional object-oriented languages, creating an object must have a template for the object: A class, a class that defines the properties of an object, and

The JavaScript language is becoming more and more popular, and is one of the most prominent languages on the Internet. You can use it across platforms and browsers, and it doesn't repel back-end languages. There are many different development

Using JavaScript in HTML JavaScript can embed HTML in two ways: When used as statements and functions, use the SCRIPT tag When used as an event handler, the HTML tag SCRIPT tag Use script tags to embed scripts in HTML, in the form

Here's a detailed talk about the difference between Boolean, Nnumber, and String coercion of type conversions in Javascript. We know that Boolean (value) converts a value to a Boolean type, and Nnumber (value) converts a value to a number (integer

Nicholas Zakas is a JS master, Yahoo! The front page of the main process. He is the author of High-performance Javascript, a book that is worth reading by every programmer. When it comes to JS performance, Zakas is almost what you're looking for,

first, from the writing cookie.。 var the_date = new Date ("December 31, 2020"); var expiresdate = the_date.togmtstring (); Document.cookie = "userdefinecss=" + Escape (title) + "; expires= "+ expiresdate; The first sentence is the date object; The

A script to get elements based on classname on the web today is recorded here for later use. Copy Code code as follows: var getelementsbyclassname = function (searchclass, node, tag) { if (docu Ment.getelementsbyclassname) {

Recently users, more and more emphasis on UI interface interaction, gradually originally for a little dragon is only supporting the JavaScript (hereinafter referred to as JS) into the protagonist, accounted for a large piece of the use. Like the

To get the calculation style of HTML elements there are always many compatibility issues, there are some differences in browsers, Firefox, WebKit (Chrome,safari) to support the standard of the Consortium method: getComputedStyle (), and ie6/7/ 8

1. Write FileSystemObject can translate files into a file stream. First step: Cases: Copy Code code as follows: Var fso=new ActiveXObject (Scripting.FileSystemObject); Creates an object that can be translated into a file

The example in this article summarizes the method of adding and removing elements of JavaScript array array objects. Share to everyone for your reference. The specific analysis is as follows: Pop method Moves the last element in the divisor group

This article illustrates the method by which JavaScript randomly generates credit card numbers. Share to everyone for your reference. The specific analysis is as follows: This JS code according to the credit card number generated rules randomly

1, what is arguments Arguments is a built-in object in JavaScript, it's quirky and often overlooked, but it's really important. All the major JS libraries use the arguments object. So agruments objects must be familiar to JavaScript programmers. In