JavaScript

Blockrain.js is a classic Tetris game developed using HTML5 & JavaScript . Just copy and paste a piece of code and you're ready to play. Most importantly, it is responsive and automatically matches no matter how wide your display is. You can

The Observer pattern defines a one-to-many relationship that allows multiple observer objects to listen to a Subject object at the same time, notifying all observer objects when the state of the object changes, enabling them to automatically update

varVar1;console.log (typeofVAR0);//print "Undefined", the main look under the face of var0 separate outputConsole.log (typeofVAR1);//print "undefined"Console.log (typeof true);//print "Boolean"Console.log (typeof false);//print "Boolean"Console.log (

HTML DOM (Document Object model)When a Web page is loaded, the browser creates a Document object model for the page.The HTML DOM model is constructed as a tree of objects. Windows Object Operations window.open ()-Open a new window

Functions are the basis for modular programming, and for writing complex AJAX applications, you must have a deeper understanding of the functions.The functions in JavaScript are different from those of other languages, and each function is

1. document.write (""); Output statementThe comments in the 2.JS are//3. Traditional HTML Document order is: document->html-> (head,body)4. The DOM order in a browser window is: window-> (navigator,screen,history,location,document)5. Get the name

In this article, I will review the basics of JS modular programming, and will talk about some really noteworthy advanced topics, including a pattern I think I have created myself.Modular programming is one of the most common JavaScript programming

1. Find the largest element in a numeric array (using the Match.max function)1 var a=[123,23432,345,3,34]; 2 console.log (Math.max.apply (null, a));2. Convert a numeric array into a function array (each function pops up the corresponding number)1

Publish an efficient JavaScript parsing, compression tool JavaScript Analyser First a script compression example, showing the JSA syntax compression and optimization features. try { XXXX (); } catch (e) { YYYY (); Function F1 () {

The Try/catch statement is the exception-handling mechanism provided by the JavaScript statement, which, once the statement inside the try statement block throws an exception, captures the exception information of the error type in the Catch

Listen to and disable browser carriage return event instances in JavaScript, and listen to javascript Js listens to browser carriage return events and supports browsers such as ie6 +, Firefox, and Google.Copy codeThe Code is as follows: So, how to

JSON-format keyboard encoding table, json encoding table A json-format keyboard encoding table is prepared. You are welcome to reprint it, but please indicate the source. Thank you! {VK_BACK: 8, // return key VK_TAB: 9, // TAB key VK_RETURN: 13, //

DOM node replacement or modification function replaceChild () usage instance, domreplacechild This example describes how to replace or modify the replaceChild () function of a DOM node. Share it with you for your reference. The specific analysis is

Automatically bind cocostudioUI controls with events in cocos2d-js I. Cause The most disgusting job in client game development is UI-related things. Although visual tools like cocostudio are available, there are a lot of controls on the interface

How to display your own icon ico and title bar ico in the browser title bar The first step is to create a PNG image with a size of 16x16. It can be designed using photoshop and other image processing tools, and then saved to a local computer. ico

ExtJs4 Learning (10) Grid cell color change and row color changeHttp://www.bkjia.com/kf/201412/365462.html previousGrid Cell color change   {Text: 'category', dataIndex: 'type', align: 'center', renderer: logging = 'x-grid-record-gray '; return

Tips for debugging JavaScript in Google Browser: Google javascript Google Chrome is not only used to access the Internet, but also a powerful development auxiliary tool for developers. For better work, you must first sharpen the tool. Next, I will

Differences between document and window and load and ready in jQuery: jquerydocument If you have used JavaScript, you should know the window object and document Object. You should also have heard of the load event and ready event. You also know

Details about the five data types in Javascript: javascript Data Types Undefined Undefined. Only one undefined value exists. Null Only one value, null BooleanIn javascript, it is true as long as the logical expression does not return undefined and

Example of animate () method usage in jQuery, jqueryanimate This document describes how to use the animate () method in jQuery. Share it with you for your reference. The specific analysis is as follows: This method is used to create a Custom