<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<input type="button" id="Button1" value="删除" οnclick="del()">
<script>
function del() {
var r = confirm("确定要删除嗎？");
if(r){
alert("已經删除！");
}else{
alert("已經取消删除！");
}
}
</script>
</body>
</html>
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