<style> #div1{500px;height:100px;background:#888;font-size:5px;margin:0 auto;color:yellow;line-height:100px} </style> <script> window.onload = function () { var box = document.getElementById("div1"); //var timer; box.onclick = function () { var i = 1; timer = setInterval(function () { box.style.display = i++ % 3 ? "none" : "block"; if(i>12) clearInterval(timer); }, 100) } }; </script> <body> <div id="div1">通过setInterval定时器，用三元运算符来控制元素的显示/隐藏来闪动元素</div> </body> </html>