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Multiple tables sharing same cell IDs - only update one

127 New Member
Hi all,

Could someone please tell (remind) me how I can use "document.getEl ementById('cell ID').innerHTML" for a specific cell for a specific table, given that two tables share the same cell ID names, but I only want to update one of them.

May 11 '09 #1
8 2725
8,658 Recognized Expert Moderator Expert
an ID must not occur more than once. (it's how IDs are defined). otherwise use classes or names.
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  1. document.getElementsByName(__NAME__)[0]; // first element with a given name
May 11 '09 #2
127 New Member
Thanks for the reply!

So even if I have unique IDs for each table, the cell IDs for both tables cannot be duplicated? Bah!!!!
May 11 '09 #3
5,390 Recognized Expert Moderator Expert
it is not 'Bah!!!!' :) ... in case it wouldn't be as it is how should the dom parser find an element by id with:

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  1. document.getElementById('id');
the method always returns one node and in case there are nodes with the same id which one should it choose? ... an id currently has to be unique in one document ...

kind regards
May 11 '09 #4
8,658 Recognized Expert Moderator Expert
I hope that's not gonna changing ever…
May 11 '09 #5
5,390 Recognized Expert Moderator Expert
may be you could sometimes use:

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  1. myNode.getElementById('myId');
:) but i know what you mean and i'm with you :)
May 12 '09 #6
16,027 Recognized Expert Moderator MVP
You should never need to use duplicate IDs. You can always give it IDs such as "c111" where the first 1 can be the table, the second the row and the third the cell (this is based on what I remember you naming your cells from earlier posts).
May 12 '09 #7
127 New Member
Thanks for the replies!

I resorted to "acoder"'s suggestion. I figured that as tables act as parents for their respective cells, it would be logical that prefixing a cell ID with it's parent (table) using document.get would allow duplicate cell IDs. I guess I've quite a bit to learn!
May 12 '09 #8
16,027 Recognized Expert Moderator MVP
Well, they wouldn't be duplicates then, they'd be unique which of course solves the problem.
May 12 '09 #9

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