[HTML5] Show Images of Differing Resolutions Depending on the Viewport Width with srcset

For small viewports, we want to save bandwidth and we may be dealing with slow speeds; so it's very important that images' filesizes are not too big. In this lesson, we are going to cover how to show a different-sized image than the one seen on desktop.

 

复制代码
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, maximum-scale=1" />
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/marx/2.0.7/marx.min.css">
  <link rel="stylesheet" href="style.css">
</head>

<body>
<!-- 700w: 700px; 90vw: 90% vieport width -->
  <img
    srcset="https://imgur.com/Nv96rWN.jpg 700w,
      https://imgur.com/aJOEQVz.jpg 1024w"
    sizes="(max-width: 480px) 90vw,
      (max-width: 700px) 70vw,
      60vw"
    src="https://imgur.com/aJOEQVz.jpg"
    alt="Opal lying on her new bed - my laptop case"
  >

</body>

</html>
复制代码

 

posted @   Zhentiw  阅读(133)  评论(0)  编辑  收藏  举报
编辑推荐：
· SQL Server 2025 AI相关能力初探
· Linux系列：如何用 C#调用 C方法造成内存泄露
· AI与.NET技术实操系列（二）：开始使用ML.NET
· 记一次.NET内存居高不下排查解决与启示
· 探究高空视频全景AR技术的实现原理
阅读排行：
· 阿里最新开源QwQ-32B，效果媲美deepseek-r1满血版，部署成本又又又降低了！
· Manus重磅发布：全球首款通用AI代理技术深度解析与实战指南
· 开源Multi-agent AI智能体框架aevatar.ai，欢迎大家贡献代码
· 被坑几百块钱后，我竟然真的恢复了删除的微信聊天记录！
· AI技术革命，工作效率10个最佳AI工具
历史上的今天：
2017-10-22 [AngularFire] Angular File Uploads to Firebase Storage with Angular control value accessor
2017-10-22 [Angular] Create a custom validator for template driven forms in Angular
2016-10-22 [RxJS] Stopping a shared observable execution
2016-10-22 [Angular 2] Share Template Content In Another Template With Content Projection <ng-content>
点击右上角即可分享
微信分享提示
AI IDE Trae