<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<input type="button" id="Button1" value="删除" onclick="del()">
<script>
function del() {
var r = confirm("确定要删除吗？");
if(r){
alert("已经删除！");
}else{
alert("已经取消删除！");
}
}
</script>
</body>
</html>
