说明：代码取自网络
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>div闪烁</title> <style> #box{ position:absolute; top:50%;/*居中*/ left:50%; color:#fff; width:200px; height:200px; background:red; cursor:pointer; letter-spacing:5px; text-align:center; font:12px/200px Arial; margin :-100px 0 0 -100px; } </style> <script> window.onload = function () { var oBox = document.getElementById("box"); var timer = null; oBox.onclick = function () { var i = 0; clearInterval(timer); timer = setInterval(function () { oBox.style.display = i++ % 2 ? "none" : "block"; i > 6 && (clearInterval(timer)); }, 80); } }; </script> </head> <body> <div id="box">点击我就闪</div> </body> </html>