[Javascript] Array-Indexing Problem

Mon Sep 13 05:41:27 CDT 2004

Yes, that works too. Many thanks for the speedy reply also, Laurent. I must
learn some more about what is going on here - for some reason I keep making
this mistake.

Tim in Ireland.

----- Original Message ----- 
From: "Laurent Muchacho" <LaurentM at london.virgin.net>
To: "'[JavaScript List]'" <javascript at LaTech.edu>
Sent: Monday, September 13, 2004 11:31 AM
Subject: RE: [Javascript] Array-Indexing Problem

> Hi Tim,
>
> Try this and it work fine
>
> var alias = eval('viewlist'+ index_num);
>
> Mainly when you do the first alert alias is a string and it will still be
> evaluated as a string on the third alert
> but by putting your string into an eval() you will then have the object.
>
> Laurent
>
> -----Original Message-----
> From: Tim Makins [mailto:spindrift at oceanfree.net]
> Sent: 13 September 2004 11:26
> To: [JavaScript List]
> Subject: [Javascript] Array-Indexing Problem
>
>
> Hi - please can you have a look at the script below. The first and second
> Alerts work OK, but the third one fails. Why is that, and how can I
correct
> it ?
>
> Tim in Ireland.
>
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> <html><head>
> <meta content="text/html; charset=windows-1252" http-equiv=Content-Type>
> <script language="javascript">
> viewlist1 = {
> colname: ["John","Frank","George"],
> colwidth: [200,50,150]
> }
>
> viewlist2 = {
> colname: ["Jane","Margaret","Sue"],
> colwidth: [89,33,264]
> }
>
> viewlist3 = {
> colname: ["Apple","Pear","Banana"],
> colwidth: [12,4435,22]
> }
> </script>
> </head>
> <body>
> <script language="javascript">
> var index_num = 2;
> var alias = 'viewlist'+ index_num;
> alert(alias);
> alert(viewlist2.colname[0]);
> alert(alias.colname[0]);
> </script>
> </body>
> </html>
>
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