Html Tutorials

HTML5 standard learning and html5 standard learning I believe that every front-end engineer has more or less met the "garbled code" renxiong. No matter how solid your foundation is, you will inevitably have a few cups of tea with the "garbled"

HTML5-Canvas plotting and animation of dazzling clock Effects var WINDOW_WIDTH = 1024; var WINDOW_HEIGHT = 600; var MARGIN_TOP = 60; var MARGIN_LEFT = 30; // store the color ball var bils = []; const colors = ["#33B5E5", "# 0099CC", "# AA6

Cross-page message transmission in Html5 and cross-page message in html5 1. To accept messages sent from other windows, you must monitor the message events of window objects. Window. addEventListener ("message", function () {}, false ); Use the

Canvas basic learning (3): canvas basic learning I. image loading controls Multiple images are often used in canvas effect creation. To improve the user experience, you need to provide users with excessive page effects during image loading. I used

Canvas copies the characters of the matrix and canvas copies the matrix.? 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667 "en">    "UTF-8">     binary rain

HTML5 WebSocket + Tomcat8 implementation ● real-time chat room for the Web version (single-user + multi-user) I have previously created a websocket chat room for Tomcat 7, which is based on Tomcat 7 and jdk1.7. Some projects are under Tomcat 8 and

Html5 offline cache details, html5 offline Cache Offline cache is one of the new Html5 features. It is easy to understand that after the first loading, data is cached. Without clearing the cache, data can be loaded without a network, web pages or

Historical issues of HTML and historical issues of HTML 1. Once upon a time, HTML designers thought that there should be other styles in the future, but now we have realized that the facts show that, you can only use without the type attribute

HTML5 File interface downloads files on the web page, The File interface provides File-related information and runs JavaScript to access the content of the File on the web page. The File object comes from the FileList object returned by the user

You can get started with projects by using applets. When the mini-program was just released, it may be a habit for everyone to give too much hope, and the functionality of the first mini-program is indeed very weak, sweeping a lot of people's

Front-End General Framework feasibility study report pop-up window, framework feasibility study report I have been working in the power company for two years. All applications developed are based on H5 applications. The H5 reference is based on

Use instance of the indexedDB database in HTML5, html5indexeddb Preface In the local storage of HTML5, there is a database named indexedDB, which is a NoSQL database stored locally on the client, which can store a large amount of data. From the

Three. js particle effect (based on CPU and GPU respectively), three. js particle cpu Some time ago, I made a comparison between CPU and GPU, and the particle effect was lost in the group learning WebGL. I didn't give much technical explanation.

There are two ways for Nodejs to upload images: nodejs Node: the first method for uploading images 1. first introduce the module "connect-multiparty ":"~ 1.2.5 ", Add "connect-multiparty" to package. json ":"~ 1.2.5 ", Switch to the project

Cordova basic commands and how to add and delete ins and cordova INS 1. First download and install node. js Enter node-v in the command prompt and the version number is displayed to verify that the installation is successful. 2. Global installation

This section describes the summary of several front-end HTML5 storage methods and the front-end html5 storage methods. Overall situation Before h5, cookies were used for storage. The disadvantage of cookies is that the request header carries data

More reliable screen detection methods and reliable screen Detection Methods Not long ago, I made an H5 project and needed some processing when the screen was changed. There is no doubt that you need to useOrientationchangeTo listen for landscape

Several solutions for ios QR codes that cannot be identified by long-pressed connections, and ios recognition Solutions 1. Too small (less than 120px) Solution to enlarge Images 2. Location (if the page is not specially processed, style uses top 1

Html mobile web development details, Html web development details 1.-webkit-tap-highlight-color: rgba (255,255,255, 0) can block the shadows that appear when you click an element in ios and android.Note: The value of transparent is invalid in

Based on the new attributes of CSS3, Animation and transform implement similar book-turning effects, css3animation Note: The JS part of this example is written in native JS, which is not applicable to native JS and can be rewritten using jQuery and