<!DOCTYPE html> <html> <head> <meta charset="utf-8"> </head> <body> <script> function changeImage() { element=document.getElementById('myimage') if (element.src.match("bulbon")) { element.src="/data/uploads/2020_10_04_94826eb4aee7441dd5fba3c8dcbf6d5b.png"; } else { element.src="/data/uploads/2020_10_04_960cc1b2f433c23fa7c006918cc32570.png"; } } </script> <img onerror="javascript:this.src='/data/public/img/null.jpg';"id="myimage" onclick="changeImage()" border="0" src="/data/uploads/2020_10_04_94826eb4aee7441dd5fba3c8dcbf6d5b.png" width="100" height="180"> <p>点击灯泡 开/关 灯</p> </body> </html>