JavaScript

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 gets the value of the URL address after greeting, including the question mark1 DOCTYPE HTML>2 HTMLLang= "en">3 Head>4 MetaCharSet= "UTF-8">5 title>About the application of the hasOwnProperty () methodtitle>6 Head>7 Body>8

Show Current Time Style= "BORDER-WIDTH:3;" >JavaScript time effects Show current time

1. The reputation of variablesWindow.name = ' Gjlin '; Global Variables Direct name = ' Gjlin ' also represents global variables, but it is recommended to use Window.name = ' Gjlin ' as a form of representationvar name = ' Gjlin '; Local variable

JavaScript, click button to change the page background and font color, the page has n color Change button. Click on different button, the page font and background will be changed to different colors.Very easy JavaScript applet.I. BASIC

A method that binds a function in an object called this object.In JavaScript, the definition of an object is this:var xiaoming = {Name: ' Xiaoming ',birth:1990};However, if we bind a function to xiaoming, we can do more things. For example, write an

1 DOCTYPE HTML>2 HTMLLang= "en">3 Head>4 MetaCharSet= "UTF-8">5 title>JavaScript array de-weight algorithm-----3title>6 Head>7 Body>8 Script>9 vararr= [1,1,2,2,3,2,2,3,3,1,1,4,4,5,6];Ten functionUnique (array) { One Array.Sort ()

Initial understanding of the objectconstructor in JS:In the learning of JS object-oriented process, has been constructor and prototype feel very confused, read some blogs and books, feel oneself to understand, now record as follows:We all know that

Application of the function:12345Document678 - +You guess what CC is, is 2;Let's look at an example:12345Document678 the *Note that Q3 and Q5 are the same results;JavaScript tip 1

1. Writing JavaScript codeWritten by the Unicode character setCommentsSingle line://Multiple lines:/* */Statementexpressions, keywords, operator compositionCase sensitiveEnd with a semicolon or line break2. VariablesVariable declarationUse the

This is a very special question.You can see that there are two variables, Val and val_t. Because of a "T", the result is really very different.respectively:Tue Oct 16:59:31 gmt+0800 (China Standard Time)Wed Oct 00:59:31 gmt+0800 (China Standard Time)

The functions in JavaScript are actually objects, each of which is an instance of a function type, and all have properties and methods like other reference types. Because the function is an object, the function name is actually just a pointer to the

DIV + CSS design IE6 floating generates double distance, divie6

Differences between events mouseover, mouseout, mouseenter, and mouseleave: mouseovermouseout Recently, online examinations and course malls have encountered the following problems: When the mouse slides over, a layer appears, when the mouse slides

Background-size, background Background-image: url(bg.jpg );Background-size: cover;/* equal to the ratio of stretch to fill the shortest side, and crop the long side */Background-size: contain;/* fill the shortest side with the long side empty */

About nginx's newly released JavaScript capability nginScript Background On July 6, September 2015, nginx announced support for JavaScript-like languages. This means that developers can more easily and freely control the world's best HTTP and

Summary of JavaScript objects (1) In JavaScript, all objects except the five primitive types (numbers, strings, Boolean values, null, and undefined) are objects. Therefore, if you don't want to learn objects, how can you continue learning? I.

Five useful jquery tips and five jquery tips Although the effects of the techniques in the following sections are not fresh, HTML is greatly cleaned through jQuery encapsulation. Refreshing, concise, and efficient code is the ultimate goal of

JavaScript achieves multi-level menu sliding out horizontally, and javascript horizontally This article describes the multilevel menu effects that JavaScript achieves horizontal slide. Share it with you for your reference. The details are as follows:

The method of calling the parent window variables and functions in the JavaScript subwindow. This example describes how to call the parent window variables and functions in a JavaScript subwindow. Share it with you for your reference. The details