matter js tutorial

judgment document. readyState is added! = 'Interactive' The Code is as follows: If (e. type = 'readystatechang' (document. readyState! = 'Interactive ' document. readyState! = 'Complete ')){Return;} The order of interaction and completion status in each browser cannot be consistent. It depends on the content of the browser and page and adds this judgment document. readyState! = 'Interactive, No matter which stage appears first, the code can be exe

This article mainly introduces some information about the understanding of the JS prototype chain. If you need a friend, you can refer to the prototype chain to understand it. There are also a lot of online materials, when I can't sleep at night, I always like to read articles about prototype chains and closures on the Internet. The results are superb. Don't get stuck with that bunch of terms. It doesn't really help you unless it turns your mind int

Background: Touch JavaScript for almost two years. From the very beginning to her full of curiosity, to now learn a lot about her frame. Friends ask me: There are so many frameworks, why do you have to learn the bottom of the object-oriented? Actually this question: Another friend has answered for me. No matter how the frame changes in the future, as long as the basic understanding of the underlying principles, it is easy to learn. Well, we're startin

This article describes how to use npm to publish a Node. JS package tutorial. This article describes how to configure a package. json, register an npm account, publish a package, etc. For more information, see if npm is a Node. JS Package Manager. During Node. JS development, it is often used to install/uninstall the p

In the game, we often encounter some pop-up window, these pop-up window to prohibit the point through, that is, prohibit the touch event to the bottom, we call the occlusion layer, these occlusion layer, need to develop the occlusion layer, we must first understand the COCOS2D-JS touch transfer mechanism, this article mainly for Cocos2d-js v3.0 Final version. According to the official documentation, we know

Main code: Realize the idea: by acquiring the line elements of the erect table, using ele.style.display= "None", and whichel.style.display= "", respectively controlling the effect of hiding and displaying.Complete Example:Effect:JS Example Tutorial one: Using JS to implement the vertical hidden menu

What beginners often encounter is getting HTML element sets and adding events to elements cyclically. Obtain the corresponding index in the Event Response Function (eventhandler. However, each query is the index of the last loop. The reason is that beginners do not understand the closure feature of JavaScript. When I was writing front-end js Code a few days ago, I encountered a traversal element to add a click event to it. That's why I spent the whole

P5.js getting started tutorial-small ball animation sample code, p5.js sample code I. Sports ball In this section, we will use p5.js to make a small ball that moves on the screen. The idea is to use variables to record the position of the ball and then change it in the draw () function, because the draw () function wil

JS Tutorial: JavaScript for ... In method and example tutorial In the order of ... In a statement it is used to loop (repeat) through an array of elements, or through the performance of an object. ExampleFor in the declaration ...How to use ... An array of elements that circulate in a statement. Results. SaabVolvoBMW JavaScript for ... In Statement In the

This article mainly introduces CSS or JS to show information about another element by hovering over the mouse. For more information, see Js: Write two functions: mouseenter and mouseleave. For example: $("#a").mouseenter(function() {$("#b").show("normal");});$("#a").mouseleave(function() {$("#b").hide("normal");}); Css: Elements a and B must have a certain relationship, that is, B is the direct sub-eleme

This article by qinning199 Original, reprint please specify: http://www.cocos2dx.net/post/2231, Cc.rectintersectsrect (RA,RB) to determine whether two rectangles intersect, if intersect, return TrueCase:var recta = Cc.rect (0,0,5,10);var RECTB = Cc.rect (4,9,5,10);var r = cc.rectintersectsrect (Recta, RECTB);if (!r) throw "Fail rectintersectsrect 1";2, Cc.rectcontainspoint (Rect,point) determines whether a rectangle contains a point, if included, returns True3, Cc.pointequaltopoint (POINT1,POINT

I think everyone knows about the JS refresh framework and how to refresh the pages outside the framework. It doesn't matter. The appearance of this article will solve your urgent needs, do not miss out on Statement 1 if you are interested. window. parent. frames [1]. location. reload (); Statement 2. window. parent. frames. bottom. location. reload (); Statement 3. window. parent. frames ["bottom"]. l

translation Sequence Three.js is a great open source WebGL Library, WebGL allows JavaScript to manipulate the GPU, realizing the true meaning of 3D at the browser end. But at present this technology is still in the development stage, the material is extremely scarce, the amateur learns basically to through the demo source code and three.js own source code to study. 0. Introduction Hi, we've met again. So we have started to learn three.js, if you have not read the previous three tutorials, I s

browser face questions. Includes DOM operations, BOM operations, event bindings, Ajax, and storage for these categories of topics. 6th Chapter Js-web-api (next)explain the specific application of JS in the browser face questions. Includes DOM operations, BOM operations, event bindings, Ajax, and storage for these categories of topics. 7th Chapter Development EnvironmentDuring the interview process, the int

Recently working on a WEB project. You need to call OCX to connect the card Reader. Didn't want to use OCX technology. Because the ActiveX technology is produced by microsoft. This causes the entire system to use only IE browser (other browsers can support OCX calls via plugins). But trying a very many method calls client DLL discovery is not going to make Sense. Finally helpless under, only then intends to study the OCX technology. The internet says that ActiveX technology is very troublesome

Recently in a WEB project, you need to call OCX to connect the card reader. Originally do not want to use OCX technology, because the ActiveX technology is produced by Microsoft, so that the entire system can only use IE browser (other browsers can be in the form of plug-ins to support OCX calls). But trying a lot of ways to invoke client DLL discovery is not going to make sense. Finally helpless under, only then intends to study the OCX technology. Online all say that the ActiveX technology is

node. JS TutorialNodejsSimply put, node. JS is the JavaScript that runs on the server.node. JS is a platform built on the Chrome JavaScript runtime.node. JS is an event-driven I/O server-side JavaScript environment, based on the Google V8 engine, the V8 engine executes JavaScript very quickly and with great performance

Translation Three. js is a great open-source WebGL library. WebGL allows JavaScript to operate on GPUs and implement 3D in the browser. However, this technology is still in its development stage, and there is a shortage of materials. Fans should learn it through the Demo source code and the source code of Three. js.0. Introduction Hi, we met again. So we have started to learn Three.

Translation Three. js is a great open-source WebGL library. WebGL allows JavaScript to operate on GPUs and implement 3D in the browser. However, this technology is still in its development stage, and there is a shortage of materials. Fans should learn it through the Demo source code and the source code of Three. js. 0. Introduction Hi, we met again. So we have started to learn Three.

Web page executes the command, shaking the original page.The main property tag involved is the input onclick onchangeLet's explain the code first.Let's first introduce the meaning of this label This tab shows an input box ID indicating the ID of the input box, which is related to the JS command above, and the Onchang tag indicates that the user executes the JavaScript code when changing the input field content, so the following equals sign content is