源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> </head> <body> <img id="image" src="/attachments/cover/cover_docker.png" width="160" height="120"> <script> document.getElementById("image").src="/attachments/cover/cover_javascript.png"; </script> <p>原图片为 cover_docker.png,脚本将图片修改为 cover_javascript.png</p> </body> </html>
运行结果：