DOM:点击图片更换背景图片(换肤)
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title></title> </head> <body> <!-- 换肤 --> <style> body { background-size: 100% 800px; } img { width: 120px; height: 120px; } </style> <img id="img1" src="../1.jpg" alt=""> <img id="img1" src="../2.jpg" alt=""> <img id="img1" src="../3.jpg" alt=""> <script> var btn = document.getElementsByName('button'); var img = document.getElementsByTagName('img'); var imgs = ["../1.jpg", "../2.jpg", "../3.jpg"]; for (let i = 0; i < img.length; i++) { img[i].onclick = function () { document.body.style.backgroundImage = `url('${imgs[i]}')`; } } </script> </body> </html>