JavaScript

Summary:In the development of the project, we often encounter pop-up windows, some through the div simulation of the effect of the window, some through the IFRAME, but also through the window's own open function opens a new window. What we're

Original: Learn JavaScript from the beginning (vii)--functionFirst, returnThe function stops and exits immediately after executing the return.return value, with return;Here are two examples:1 function sum (NUM1, num2) {2 num1= num1 + num2

A time ago need to use more than the JS code, at that time a little confused test and match method of the difference, to Baidu to help, found here about the regular matching blog, thank the author to share.Original Address "http://blog.sina.com.cn/s/

Preface:The real JavaScript is made up of three parts, ECMAScript, DOM, and BOM, as shown in. This article will mainly cover the browser object model. The BOM (Browser object mode) is a model of browser objects that describes the hierarchical

The scope of a variableTo understand closures, you must first understand the special variable scope of JavaScript.The scope of a variable is nothing more than two kinds: global variables and local variables.The special point of the JavaScript

javascript--Iterative method

Definition and usageThe splice () method adds/deletes an item to/from the array, and then returns the item that was deleted.Note: This method changes the original array.GrammarArrayobject.splice (index,howmany,item1,....., ItemX)

This post consists of: http://xinpure.com/call-the-javascript-method-in-flash-actionscript-2-0/Invoking the Javascript method in Flash ActionScript 2.0 Recently, at work, there was a need to invoke the Javascript method on a Web page from

Text: JavaScript Closure study notesClosures (closure) are a difficult and unique feature of the JavaScript language, and many advanced applications rely on closures.Here is my study note, which should be useful for JavaScript beginners.The scope of

How to solve the disabled problem of Web form submission in js, and how to solve the disabledjs problem in web form This article describes how to solve the disabled problem js in Web form submission. Share it with you for your reference. The

JavaScript learning Notes: Data Types and javascript learning notes I. Classification Basic data types: undefined, null, string, Boolean, and number Complex data type: object Object Attributes are defined in the form of unordered names and value

JavaScript learning notes operator (continued), javascript learning notes I. Multiplication Operators 1. Multiplication :* Special rules for multiplication operators: If the operands are all numeric values, they are calculated by regular

NodeJS ------ MongoDB module (additional article)I. The first part of this article is about extended knowledge. Because database operations will be used in the following article, let's talk about it (Mongodb module) today ). (1) Introduction MongoDB

Native javascript implements image scrolling, delayed loading, and javascript latency Effect: loading starts only when the image appears in the visible area in the drop-down scroll bar. Ideas: (1) img label: place the real image address in the

Common js system function usage instance analysis, js function instance analysis This example describes common system functions of JavaScript. Share it with you for your reference. The Code is as follows:Copy codeThe Code is as follows: I hope this

Draw points, lines, and Surfaces Using JS When the idea of JS drawing goes through the brain, I feel a little interesting, so I practiced it. JS plotting is a series of articles, which are about points, lines, and surfaces. First look at the example:

Use JavaScript to draw circles, arcs, slices, and js slices Relationship between point p (x, y) on the circle whose radius is r and center O (x0, y0): x = x0 + rcosA; y = y0 + rsinA, and A is A radian Example:

Node. js ------ Stream module1. The analysis stream at the beginning is an abstract interface implemented by many objects in Node. For example, a request to an HTTP server is a stream, and stdout is also a stream. Stream is readable, writable, or

Data Structure and algorithm JavaScript (3) linked listWe can see that the queue and stack in the javascript concept are both a special linear table structure and a simple array-based Sequential storage structure. Because the javascript interpreter

JQuery implements the focus chart plug-in for switching image groups. This is a jQuery-based focus chart plug-in for switching images. This jQuery focus chart plug-in features that images can be switched in groups, that is, multiple images can be