使用Javascript語言，把以下數(shù)組
數(shù)組圖形不會(huì)
weixin_慕圣5491309
2022-10-21
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2022-10-27
<!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
?
?//顯示數(shù)組長(zhǎng)度
?
?
?//將數(shù)組內(nèi)容輸出，完成達(dá)到的效果。
var? arr = new Array('*','##',"***","&&","****","##*");
? ?arr[7] = "**";
? ?alert(arr.length);
? ?document.write(arr[0]);
? ?document.write('<br />');
? ?document.write(arr[7]);
? ?document.write('<br />');
? ?document.write(arr[2]);
? ?document.write('<br />');
? ?document.write(arr[4]);
? ?document.write('<br />');
</script>
</head>
<body>
</body>
</html>