Hi, I have taken a look at the Prototype API and it says that
document.viewport.getDimensions() should return the size of the
viewport. I have created a simple page with a <div> with width of
100px and height of 100px. I am hoping to alert the height of the
browser window, but I get the height of the div. I didn't understand
why the height of the div got alerted instead of the browser window.
It appears that I needed to add a DOCTYPE in order for
document.viewport.getDimensions() to work properly. Can anybody
explain why the DOCTYPE is required for Prototype to return the
correct viewport height? I have pasted the code that incorrectly
returns the height of the div instead of the viewport on pastie:
http://pastie.org/504692.
Just add a doctype and you get the correct result:
Replace <html>
with
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";>
I hope to use Prototype with Ext JS in the future, but it seems that
Prototype recommends/requires the use of DOCTYPES while Ext JS
recommends against using DOCTYPES in order to avoid bugs in IE.
- Paul K
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