<!doctype html>
<html>
<head>
<title>test</title>
</head>
<body>
<a id="link" href="#">点击一下进行测试</a>
<ul id="tip">
<li>显示mousedown mouseup click focus事件的触发顺序</li>
</ul>
<script type="text/javascript">
var a=document.getElementById("link");
a.onclick=function(){
var newele=document.createElement("li");
newele.innerText="onclick";
var ele=document.getElementById("tip");
ele.appendChild(newele);
};
a.onfocus=function(){
var newele=document.createElement("li");
newele.innerText="onfocus";
var ele=document.getElementById("tip");
ele.appendChild(newele);
};
a.onmousedown=function(){
var newele=document.createElement("li");
newele.innerText="onmousedown";
var ele=document.getElementById("tip");
ele.appendChild(newele);
};
a.onmouseup=function(){
var newele=document.createElement("li");
newele.innerText="onmouseup";
var ele=document.getElementById("tip");
ele.appendChild(newele);
};
</script>
</body>
</html>
测试结果: