Found a total of 10000 related content
Detecting support for specific HTML5 features in browsers.
Article Introduction：There are three main ways to detect browser support for HTML5 functions: using Modernizr library, manual detection in native JavaScript, and paying attention to privacy mode and security restrictions. First, the Modernizr library is introduced to add a class that supports features to the tag and provides a JavaScript interface to determine whether the features are available, such as if (Modernizr.canvas). Secondly, native JavaScript detection can check whether an object or method exists, such as using the function support LocalStorage() to detect local storage, or supporting VideoFormat() to detect video format support. Finally, note
2025-07-02
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825
Creating a Mobile HTML5 Application with App Framework
Article Introduction：Core points
App Framework is a JavaScript library that allows the creation of rich HTML5/JavaScript mobile applications inspired by jQuery but has a much lower memory footprint than jQuery Mobile.
On both Android and iOS platforms, App Framework is faster than jQuery and more powerful, making it a powerful solution for mobile HTML5 frameworks.
This tutorial walks you step by step how to create HTML5 mobile applications using the App Framework, from setting up Apache and PHP servers to creating dynamic GUIs.
App Framework provides
2025-02-22
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744
Creating Beautiful Charts Using Vue.js Wrappers for Chart.js
Article Introduction：Create beautiful charts with Vue.js and Chart.js
Charts are an important part of modern websites and applications that help present information that is difficult to express in text and make otherwise difficult to understand data present in an easy to read and understand manner. This article will demonstrate how to create various types of charts using Chart.js and Vue.js. Chart.js is a simple and flexible JavaScript chart library that allows developers and designers to draw different types of charts using HTML5 canvas elements. Vue.js is a progressive JavaScript framework that we will use with Chart.js to demonstrate graph representation examples. We will use Vue CLI to
2025-02-16
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1052
Create a Text-to-Speech Chrome Extension
Article Introduction：Core points
This article explains how to create a Chrome browser text-to-speech (TTS) extension that uses HTML5 voice synthesis API or third-party API to convert highlighted text or clipboard content into speech.
Chrome extensions usually contain manifest files (metadata files), images (such as extension icons), HTML files, JavaScript files, and other resources (such as style sheets).
The TTS extension waits for the user to click on its icon or press a specific hotkey (Shift Y), and then converts the highlighted text or clipboard content to voice.
The code for the extension includes background scripts and content scripts, permissions to access active tags and user clipboards to
2025-02-18
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956
How to implement push notifications in HTML5?
Article Introduction：Yes, HTML5 websites can implement push notifications through modern WebAPI, but they require cooperation from JavaScript, service workers and backend servers. The specific steps are as follows: 1. Check the browser support status and ensure that there is a ServiceWorker and PushManager; 2. Register a service worker to manage push events; 3. Request user authorization through Notification.requestPermission(); 4. Use the web-push library to generate a VAPID key for identity identification; 5. After the user authorization, use the pushManager.subscribe method to subscribe to the push service and send subscription information to the backend; 6. On-Service
2025-07-10
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786
What is the function of H5?
Article Introduction：H5, or HTML5, is the fifth version of HTML. It provides developers with a stronger tool set, making it easier to create complex web applications. The core functions of H5 include: 1) elements that allow drawing graphics and animations on web pages; 2) semantic tags such as, etc. to make the web page structure clear and conducive to SEO optimization; 3) new APIs such as GeolocationAPI support location-based services; 4) Cross-browser compatibility needs to be ensured through compatibility testing and Polyfill library.
2025-04-07
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1091
HTML5 websocket client and server examples
Article Introduction：WebSocket is a full-duplex communication protocol provided by HTML5, suitable for real-time interactive scenarios. 1. The client establishes a connection through newWebSocket(url) and listens to events such as onopen and onmessage, and uses send() to send data; 2. The server can be built with Node.js' WS library to listen to connections and message events and handle them; 3. When using it, pay attention to cross-domain issues, connection maintenance, message format uniformity and security. It is recommended that the client implement an automatic reconnection mechanism. Mastering these key points can build powerful real-time communication applications.
2025-07-04
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778
Create a Multi-user Presentation with Reveal.js
Article Introduction：Key Points
Reveal.js is a popular HTML5 and CSS3 library for creating impressive web-based presentations that can be controlled in real time by multiple users.
To create multi-user presentations using Reveal.js, you need to set up an express.js server with Node.js, Yeoman, Grunt, and Bower and use Socket.IO to send and receive slide change events.
Adding basic authentication to server-side code helps prevent unauthorized users from controlling presentations and provides alternative routes for unauthenticated users.
Reveal.js presentation can be further performed through WebRTC and other functions
2025-02-23
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733
Parallel JavaScript with ParallelJS
Article Introduction：ParallelJS: Elegant Web Worker Solution
ParallelJS provides an elegant solution to the problems that may arise when using Web Worker, which provides a practical API with convenient abstraction and helper tools. The Worker interface introduced by HTML5 allows the creation of functions with long run time and high computational demands, which can be used simultaneously to improve website response speed. ParallelJS allows parallelization of JavaScript code, leveraging simultaneous multithreading (SMT) to use modern CPUs more efficiently. ParallelJS library provides methods such as spawn, map and reduce.
2025-02-18
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415
Highlighting Text Using the HTML5 Mark Element
Article Introduction：HTML5's mark tags are used to highlight or mark text that requires visual emphasis. 1. It has a yellow background by default, which is suitable for scenes such as search keywords, quotation emphasis, form prompts, etc.; 2. You can customize the style through CSS, such as changing the background color, adding borders, or using class to distinguish different styles; 3. Unlike em and strong, mark focuses on visual annotation rather than semantic emphasis, and appropriate labels should be selected according to the purpose.
2025-07-07
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515
Dave The Diver: How To Catch Spider Crabs
Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10
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777
Prepare for Interview Like a Pro with Interview Questions CLI
Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI
What is the Interview Questions CLI?
The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview
2025-01-10
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1405
Soft Deletes in Databases: To Use or Not to Use?
Article Introduction：Soft Deletes: A Question of DesignThe topic of soft deletes, a mechanism that "flags" records as deleted instead of physically removing them, has...
2025-01-10
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1025
