W3C home > Mailing lists > Public > www-style@w3.org > March 2008

cssom - clientTop, et v

From: Garrett Smith <dhtmlkitchen@gmail.com>
Date: Sun, 9 Mar 2008 11:39:58 -0800
Message-ID: <c9e12660803091239y2c6ab58s519e82efc6358e8f@mail.gmail.com>
To: Www-style <www-style@w3.org>

There is no way to get the border-right and border-bottom widths.

clientTop - border-top-width
clientLeft - border-left-width
_______  - border-right-width?
_______  - border-bottom-width?

The other problem with the client* properties is that they are rounded
pixel values (at least in IE, Opera, and Safari).

The other problem I have is the name. "clientTop" does not describe a

Would it make sense to:

1) include widths for ALL borders?
2) include floating point pixels (sub-pixels) (to avoid cumulative
rounding issues mentioned in earlier msg)
3) renames these properties to something non-conflicting so as to
avoid compatibility issues with (2)?


This is more complete, but still shows signs of feature envy. The
element wants properties of its style values.

Adapter/Strategy seems more appropriate. The way it would work would
be to abstract parts of the style that the element would be interested


Changes would be localized to the would-be Adapter. (marginLeftWidth
is a would-be change);

The method available today is not an instance method:

// wrap in parseFloat( )
document.defaultView.getComputedStyle(element, "").borderLeftWidth;

It's in a strange place - on the defaultView - not the element. It is
too verbose and less natural.

Received on Sunday, 9 March 2008 19:40:06 UTC

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