How to use H5 to call the camera-H5 Tutorial-php.cn

Home

Web Front-end

H5 Tutorial

How to use H5 to call the camera

php中世界最好的语言

Jan 09, 2018 am 10:31 AM

html5Cameratransfer

This time I will show you how to use H5 to call the camera, and what are the precautions for H5 to call the camera. The following is a practical case, let's take a look.

<!DOCTYPE html>  
<html lang="zh-CN">  
<head>  
<meta charset="UTF-8">  
<title>GetUserMedia实例</title>  
</head>  
<body>  
<video id="video" autoplay><ideo>  
</body>  
<script type="text/javascript">  
var getUserMedia = (navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia);   
getUserMedia.call(navigator, {   
video: true,   
audio: true   
}, function(localMediaStream) {   
var video = document.getElementById(&#39;video&#39;);   
video.src = window.URL.createObjectURL(localMediaStream);   
video.onloadedmetadata = function(e) {   
console.log("Label: " + localMediaStream.label);   
console.log("AudioTracks" , localMediaStream.getAudioTracks());   
console.log("VideoTracks" , localMediaStream.getVideoTracks());   
};   
}, function(e) {   
console.log(&#39;Reeeejected!&#39;, e);   
});   
</script>  
<html>

I believe you have mastered the methods after reading these cases. For more exciting information, please pay attention to other related articles on the php Chinese website!

How to count table sum in bootstrap Quantity

How to implement vue.js todolist

The above is the detailed content of How to use H5 to call the camera. For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Beyond Basics: Advanced Techniques in H5 CodeMay 02, 2025 am 12:03 AM

Advanced tips for H5 include: 1. Use complex graphics to draw, 2. Use WebWorkers to improve performance, 3. Enhance user experience through WebStorage, 4. Implement responsive design, 5. Use WebRTC to achieve real-time communication, 6. Perform performance optimization and best practices. These tips help developers build more dynamic, interactive and efficient web applications.

H5: The Future of Web Content and DesignMay 01, 2025 am 12:12 AM

H5 (HTML5) will improve web content and design through new elements and APIs. 1) H5 enhances semantic tagging and multimedia support. 2) It introduces Canvas and SVG, enriching web design. 3) H5 works by extending HTML functionality through new tags and APIs. 4) Basic usage includes creating graphics using it, and advanced usage involves WebStorageAPI. 5) Developers need to pay attention to browser compatibility and performance optimization.

H5: New Features and Capabilities for Web DevelopmentApr 29, 2025 am 12:07 AM

H5 brings a number of new functions and capabilities, greatly improving the interactivity and development efficiency of web pages. 1. Semantic tags such as enhance SEO. 2. Multimedia support simplifies audio and video playback through and tags. 3. Canvas drawing provides dynamic graphics drawing tools. 4. Local storage simplifies data storage through localStorage and sessionStorage. 5. The geolocation API facilitates the development of location-based services.

H5: Key Improvements in HTML5Apr 28, 2025 am 12:26 AM

HTML5 brings five key improvements: 1. Semantic tags improve code clarity and SEO effects; 2. Multimedia support simplifies video and audio embedding; 3. Form enhancement simplifies verification; 4. Offline and local storage improves user experience; 5. Canvas and graphics functions enhance the visualization of web pages.

HTML5: The Standard and its Impact on Web DevelopmentApr 27, 2025 am 12:12 AM

The core features of HTML5 include semantic tags, multimedia support, offline storage and local storage, and form enhancement. 1. Semantic tags such as, etc. to improve code readability and SEO effect. 2. Simplify multimedia embedding with labels. 3. Offline storage and local storage such as ApplicationCache and LocalStorage support network-free operation and data storage. 4. Form enhancement introduces new input types and verification properties to simplify processing and verification.

H5 Code Examples: Practical Applications and TutorialsApr 25, 2025 am 12:10 AM

H5 provides a variety of new features and functions, greatly enhancing the capabilities of front-end development. 1. Multimedia support: embed media through and elements, no plug-ins are required. 2. Canvas: Use elements to dynamically render 2D graphics and animations. 3. Local storage: implement persistent data storage through localStorage and sessionStorage to improve user experience.

The Connection Between H5 and HTML5: Similarities and DifferencesApr 24, 2025 am 12:01 AM

H5 and HTML5 are different concepts: HTML5 is a version of HTML, containing new elements and APIs; H5 is a mobile application development framework based on HTML5. HTML5 parses and renders code through the browser, while H5 applications need to run containers and interact with native code through JavaScript.

The Building Blocks of H5 Code: Key Elements and Their PurposeApr 23, 2025 am 12:09 AM

Key elements of HTML5 include,,,,,, etc., which are used to build modern web pages. 1. Define the head content, 2. Used to navigate the link, 3. Represent the content of independent articles, 4. Organize the page content, 5. Display the sidebar content, 6. Define the footer, these elements enhance the structure and functionality of the web page.

See all articles