<script type="text/javascript"> function onloadEvent(){ var _td = document.getElementById("a1"); var _img = document.createElement("img"); _img.setAttribute("id", "floatImage"); _img.setAttribute("src", "icon.png"); _img.setAttribute("onclick", "clickImage()"); _img.onclick = function(){ //点击时响应事件 alert("点击"); //window.location = "http://baidu.com"; 跳转url }; _td.appendChild(_img); } </script>