<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="i1"></div>
<input type="button" value="删除" onclick="Delete()" />
<script>
function Delete(){
document.getElementById('i1').innerText = '已删除';
setTimeout(function () {
document.getElementById('i1').innerText='';
},5000)
}
</script>
</body>
</html>