Re: Having trouble reading a table input cell.

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From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups	comp.lang.javascript
Subject	Re: Having trouble reading a table input cell.
Date	Thu, 12 Nov 2015 20:14:12 +0100
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don lancaster wrote:

> 
> as in

The message body should contain the complete problem description.

>    var q1 = document.getElementById("fp00").value ;
> 
> this returns a "can't read a null" error.

The error message is probably “null has no properties” instead, indicating 
that there is no element with ID “fp00” in that document.

It is also important in which environments [here: browser(s)] you have 
tested the code.

> Code is similar to the "Target Power" part of
> http://www.tinaja.com/demo28a.shtml

In order to help you, we also need the *actual* code if it is short, a 
reference to it (by URI) if is longer.  But you should debug yourself first.

Please read the FAQ for recommendations on how to post here, and for 
references to and about browser developer tools.

-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
Please do not cc me. / Bitte keine Kopien per E-Mail.

Thread

Having trouble reading a table input cell. don lancaster <don@tinaja.com> - 2015-11-11 12:04 -0700
  Re: Having trouble reading a table input cell. "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-11-11 21:35 +0100
  Re: Having trouble reading a table input cell. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-11-12 20:14 +0100
  Re: Having trouble reading a table input cell. Danny <dann90038@gmail.com> - 2015-11-12 12:51 -0800
  Re: Having trouble reading a table input cell. Dr J R Stockton <reply1500@merlyn.demon.co.uk.invalid> - 2015-11-12 22:20 +0000

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