问答详情
源自:3-6 了解成员数量(数组属性length)

我这里哪个地方有错误啊

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>数组长度</title>

<script language="javascript">

 var mynum=new Array(65,90,88,98);

 document.write("数组的长度是:"+ mynum.lenght );

</script>

</head>

<body>

</body>

</html>




提问者:qq_慕沐4415436 2019-10-14 16:32

个回答

  • 慕娘5579366
    2020-06-30 18:01:28

    mynum.lenght   改成mynum.length

  • 慕标7382933
    2020-03-18 17:48:00

    length打错啦

  • qq_慕沐4415436
    2019-10-14 16:35:17

    你吧length打成了lenght