為啥沒(méi)輸出？求找錯(cuò)
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>二維數(shù)組</title>
<script type="text/javascript">
//方法一
var myarr1=new Array();
for(var i=0;i<3;i++){
??? myarr1[i]=new Array();
??? for(var j=0:j<6;j++){
??????? myarr1[i][j]=i*j;
??????? document.write(myarr1[i][j]);
??? }
}
</script>
</head>
<body>
</body>
</html>
2017-01-04
for(var j=0:j<6;j++){ ? ? ? 是; ? 不是:
2017-01-04
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>二維數(shù)組</title>
<script type="text/javascript">
var myarr=new Array();
for(var i=0;i<4;i++)
? ?{
? ?myarr[i]=new Array();
? ? for(var j=0;j<6;j++)
? ?{
? ? myarr[i][j]=i*j;
? ? document.write("myarr["+i+"]["+j+"]的值:"+myarr[i][j]+"<br>");
? ? }
? ?}
</script>
</head>
<body>
</body>
</html>