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width, height, scrollLeft, and scrollTop now work with windows and documents other than just the one it was loaded in (like iframes and popups)

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Brandon Aaron 2009-04-22 00:55:44 +00:00
parent a0d079f430
commit 2adb9b2a0f
2 changed files with 27 additions and 17 deletions
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18
src/dimensions.js
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@ -19,24 +19,26 @@ jQuery.each([ "Height", "Width" ], function(i, name){
jQuery.fn[ type ] = function( size ) {
// Get window width or height
return this[0] == window ?
var elem = this[0];
if ( !elem ) return null;
return ("scrollTo" in elem && elem.document) ? // does it walk and quack like a window?
// Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] ||
document.body[ "client" + name ] :
elem.document.compatMode === "CSS1Compat" && elem.document.documentElement[ "client" + name ] ||
elem.document.body[ "client" + name ] :
// Get document width or height
this[0] == document ?
(elem.nodeName === "#document") ? // is it a document
// Either scroll[Width/Height] or offset[Width/Height], whichever is greater
Math.max(
document.documentElement["client" + name],
document.body["scroll" + name], document.documentElement["scroll" + name],
document.body["offset" + name], document.documentElement["offset" + name]
elem.documentElement["client" + name],
elem.body["scroll" + name], elem.documentElement["scroll" + name],
elem.body["offset" + name], elem.documentElement["offset" + name]
) :
// Get or set width or height on the element
size === undefined ?
// Get width or height on the element
(this.length ? jQuery.css( this[0], type ) : null) :
jQuery.css( elem, type ) :
// Set the width or height on the element (default to pixels if value is unitless)
this.css( type, typeof size === "string" ? size : size + "px" );