沒有顯示 有什么問題
<!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 arr=new Array();
for(var i=1;i<3;i++){
??? arr[i]=new Array();
??? for(var j=1;j<6;j++){
??????? arr[i][j]=i*j;
??????? document.writer("arr[i][j]");
??? }
}
</script>
</head>
<body>
</body>
</html>
2020-01-18
write不是writer
2020-12-18