抽签
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <meta charset="utf-8" /> <style> #div1 { width: 100%; background: url(1.jpg) center top no-repeat; height: 700px; } input { display: block; width: 80px; height: 40px; text-align: center; margin: 0 auto; font-family: "微软雅黑"; } </style> <script> window.onload = function () { var imgs = ["1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg", "6.jpg", "7.jpg", "8.jpg", "9.jpg"]; function show() { var i = Math.ceil(Math.random() * 9);//有几张图片就乘以几 document.getElementById("div1").style.backgroundImage = "url(" + imgs[i - 1] + ")" } var timeout = setInterval(show, 100);//每隔0.1秒改变一次 var x = 0; document.getElementById("ip").onclick = function () { document.getElementById("ip").innerHTML = x; x++; if (x % 2 != 0) { this.style.backgroundColor = "#0ff"; clearInterval(timeout); } else { this.style.backgroundColor = "#E1E1E1"; timeout = setInterval(show, 100); } } } </script> </head> <body> <div id="div1"> </div> <div class="title"> <input type="button" value="暂停" id="ip" /> </div> </body> </html> <style> .title{ position:absolute; top:0;} </style>
原文：https://www.cnblogs.com/channy14/p/14871618.html
