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IE7 and clientHeight

Posted on 2006-06-22
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Last Modified: 2008-01-09
i get an error when trying to use clientHeight in IE7.  error message is invalid argument...

code:

var divsAndSpacings = 5 + 130 + 9 + 20 + 5 + 40 + 0 + 5 + 20;

var insideScreenHeights = parseInt(document.documentElement.clientHeight);

var mainDivHeights = insideScreenHeights - divsAndSpacings;

document.getElementById("softwarebody").style.height = mainDivHeights + 'px';
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Question by:ellandrd
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8 Comments
 
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Expert Comment

by:geordie007
ID: 16958698

hi ellandrd

it obviouslt differs from client to client, but i just opened up a normal browser, and alerted what the height should be, and it gave me a minus number (-198px to be exact), which would cause an "invalid argument" error in IE. try the following and see what you get:

<script>
var divsAndSpacings = 5 + 130 + 9 + 20 + 5 + 40 + 0 + 5 + 20;

var insideScreenHeights = parseInt(document.documentElement.clientHeight);

var mainDivHeights = insideScreenHeights - divsAndSpacings;

var foo = mainDivHeights + 'px';

document.getElementById("softwarebody").style.height = foo;

alert(foo);
</script>

if it's a minus, that's why you're getting an error.
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LVL 16

Author Comment

by:ellandrd
ID: 16958716
but in ie6 it works fine...
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LVL 7

Accepted Solution

by:
geordie007 earned 500 total points
ID: 16958730

ok, got it...

internet explorer has *always* used document.documentElement.­clientHeight/Width and other more standards compliant browsers have used document.body.clientHeight/Width. this has now changed. ie7 has gone to the more standards method.

so, for ie6 you'll need to use document.documentElement.­clientHeight/Width.
for ie7, ff, etc you'll need to use document.body.clientHeight/Width.

cheers
0
 
LVL 16

Author Comment

by:ellandrd
ID: 16958755
so it finding out what browser version you have changed too? to check if user is ie6 or ie7?
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LVL 7

Expert Comment

by:geordie007
ID: 16958824

exactly. something like

if(ie6){
width = document.documentElement.­clientWidth;
}else{
width = document.body.­clientWidth;
}
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LVL 16

Author Comment

by:ellandrd
ID: 16958879
ok thank you!
0
 
LVL 16

Author Comment

by:ellandrd
ID: 16958885
ive only started developing in IE7 since last week and didnt know they changed standards....

but thank you!

Sean
0
 

Expert Comment

by:tomarmga
ID: 20443960
This is bertter than sensing the IE version

return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
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