<!DOCTYPE??HTML>
<html?>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>
<title>流程控制語句</title>
</head>
<body>
<div?id="con">
<script?type="text/javascript">
?var?A=[
?????['小A','女','大一',21],
?????['小B','男','大三',23],
?????['小C','男','大四',24],
?????['小D','女','大一',21],
?????['小E','女','大四',22],
?????['小F','男','大一',21],
?????['小G','女','大二',22],
?????['小H','女','大三',20],
?????['小I','女','大一',20],
?????['小J','男','大三',20]
????];
???//將以上數組通過join（）方法全部轉換為字符串并輸出?
for(var?i=0;i<A.length;i++){????
var?B=A[i].join("-")
document.write(B)
}
</script>
</div>
<script?type="text/javascript">
//提取上面的文本內容并輸出
document.write(document.getElementById("con").innerHTML)
</script>
</body>
</html>結果
為什么div內的文本內容會輸出了兩次？
我要沖錢
2016-12-03 00:32:42
