首先获取事件对象e事件来源IE下面对应srcElementFF下面target下面简单例子兼容IE和FireFoxfunction init() {document.body.onmousemove = function(e) {if (.e) {e = window.event;}else {e.srcElement = e.target;}document.getElementById("diyDebug").innerHTML = "mousemove (" + e.clientX + "," + e.clientY + ") srcElement=" + e.srcElement.tagName + "[" + e.srcElement.id + "]";};}diyspanlink