請(qǐng)問大神哪里有問題，為什么木有反應(yīng)
<!DOCTYPE? HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>數(shù)組</title>
<script type="text/javascript">
?//創(chuàng)建數(shù)組
?var mynum["*","##","***","&&","****","##"];
mynum[7]="**";
?//顯示數(shù)組長度
?alert(mynum.length);
?
?//將數(shù)組內(nèi)容輸出，完成達(dá)到的效果。
document.write(mynum[0]+<br/>+mynum[7]+<br/>+mynum[2]+<br/>+mynum[4]);
</script>
</head>
<body>
</body>
</html>
2015-12-05
<!DOCTYPE ?HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>數(shù)組</title>
<script type="text/javascript">
?//創(chuàng)建數(shù)組
?var mynum=["*","##","***","&&","****","##"];
mynum[7]="**";
?//顯示數(shù)組長度
?alert(mynum.length);
?
?//將數(shù)組內(nèi)容輸出，完成達(dá)到的效果。
document.write(mynum[0]+'<br/>'+mynum[7]+'<br/>'+mynum[2]+'<br/>'+mynum[4]);
</script>
</head>
<body>
</body>
</html>
2016-02-03
不需要用FOR來做嗎？