源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> </head> <body> <h2>picture 元素</h2> <picture> <source media="(min-width: 650px)" srcset="https://www.ossoft.cn/images/mix/html-css-js.png"> <source media="(min-width: 465px)" srcset="https://www.ossoft.cn/images/mix/htmlbig.png"> <img src="https://www.ossoft.cn/images/mix/img_avatar.png" style="width:auto;"> </picture> </body> </html>
运行结果