Open Bug 475648 Opened 12 years ago Updated 2 years ago

Javascript returns wrong values for screen.width and screen.height (1920x1200)

Categories

(Core :: DOM: Core & HTML, defect, P5)

x86
Windows Vista
defect

Tracking

()

UNCONFIRMED

People

(Reporter: samsabra, Unassigned)

References

()

Details

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5

Firefox 3.05 running on Vista
Screen resolution is 1920x1200
screen.width and screen.height return 960x600


Reproducible: Always

Steps to Reproduce:
1. Run Firefox 3.05 on Vista (might also happen on other OS's)
2. Make sure your resolution is 1920x1200
3. type this in the url: javascript:alert('Your%20resolution%20is%20'+screen.width+'x'+screen.height);
Actual Results:  
Your resolution is 960x600

Expected Results:  
Your resolution is 1920x1200

Can't access website's that check for resolution 1024x768 or greater!
Summary: Javascript wrong values for screen.width and screen.height (1920x1200) → Javascript returns wrong values for screen.width and screen.height (1920x1200)
See http://www.postimage.org/image.php?v=aVCISMJ for screenshot
Version: unspecified → 3.0 Branch
It's possibly Vista only. I don't see the problem on XP.

I'm thinking this belongs in DOM land.
Component: General → DOM
Product: Firefox → Core
QA Contact: general → general
Version: 3.0 Branch → Trunk
https://bugzilla.mozilla.org/show_bug.cgi?id=1472046

Move all DOM bugs that haven’t been updated in more than 3 years and has no one currently assigned to P5.

If you have questions, please contact :mdaly.
Priority: -- → P5
Component: DOM → DOM: Core & HTML
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