JavaScript

This example describes the Map collection tool class for JavaScript implementations. Share to everyone for your reference. as follows: var Map = function () {//construct Entry entity var Entry = function (key, value) {This.key = key;

This article mainly through the Code analysis JavaScript implementation Picture upload foreground page, nonsense said, directly affixed to the code. code example one: Upload photos: Preview: code example two:

Syntax: Arrayobject.sort (sortby), parameter SortBy Optional. Specify the sort order. Must be a function. The sort () method is used to sort the elements of an array. If the method is invoked without parameters, the elements in the array are

This article illustrates the extension-shrink menu code implemented by JavaScript. Share to everyone for your reference. Specifically as follows: This is a real javascript stretch-shrink menu, the mouse to look at, is not cool? When the mouse

This article summarizes the JavaScript node and the method of list operation. Share to everyone for your reference. Specifically as follows: (1) Create a new node Createdocumentfragment ()//Create a DOM fragment createelement ()//create a

The examples in this article describe the way JavaScript implements simple find and replace. Share to everyone for your reference. The implementation method is as follows: China wind Shek Hao Li, who cast Shi, there are collectors

For years, JavaScript has been an important part of Web application development, but many developers tend to ignore some of the performance aspects, especially with the continuous upgrading of computer hardware, developers increasingly feel that

Document.body.clientWidth-page visible area wideDocument.body.clientHeight-High page visible area Document.body.offsetWidth-the width of the visible area of the page, including the edges and the width of the scroll

The example in this article describes how the JavaScript implementation adds array data to the Select Drop-down box. Share to everyone for your reference. Specifically as follows: This shows the effect of adding data from an array to the Select

1.Object objects Prototype ObjectA prototype is an attribute of an object, which is the prototype attribute, and each object has this intrinsic property, and he is an object in itself. Prototype chain Object.prototype.a =

The examples in this article describe the way JavaScript creates dynamic forms. Share to everyone for your reference. The implementation method is as follows: name value The wants this article to help you with

The function in JavaScript has multiple meanings. It may be a constructor (constructor) that assumes the role of an object template, possibly an object's method , and is responsible for sending messages to the object. It might also be a function,

This article illustrates the method of JavaScript parsing XML to realize three-level linkage in provinces and counties. Share to everyone for your reference. The implementation methods are as follows: (This method applies to any common browser)

I saw someone ask questions on the Internet before, how to synchronize the display of server time on the page, in fact, there are several ways to implement, perhaps the average person immediately think that you can use Ajax every second to request

See some large Web sites, pages if there are many pictures of the time, when you scroll to the corresponding row, the current line of the picture is loaded immediately, such as the page in the open only add visual area of the picture, while other

Tanabata Valentine's Day also don't forget to play the game Oh ~, the following small set for everyone prepared Valentine's Day gift of pure JavaScript imitation micro-letter playing aircraft games to share the love of the world. First to show you

This article illustrates a simple right-click menu class for JavaScript implementations. Share to everyone for your reference. Specifically as follows: This is your own write a right button menu class, shielding off the IE inherent right button

JSON (JavaScript Object notation) is a simple data format that is lighter than XML. JSON is the native format of JavaScript, which means that processing JSON data in JavaScript does not require any special APIs or toolkits. The rule of JSON is

This article describes the JavaScript implementation method of inserting the value of a text box into a specified position. Share to everyone for your reference. Specifically as follows: This implements JavaScript to insert the value of the text

JavaScript supports different types of loops: For-loop code block a certain number of times For/in-Looping through the properties of an object While-loops the specified code block when the specified condition is true Do/while-also loops the