jQuery.fn.offset = function( options ) {
var elem = this[0], box;
- if ( options ) {
+ if ( options ) {
return this.each(function( i ) {
jQuery.offset.setOffset( this, options, i );
});
// Make sure we're not dealing with a disconnected DOM node
if ( !box || !jQuery.contains( docElem, elem ) ) {
- return box || { top: 0, left: 0 };
+ return box ? { top: box.top, left: box.left } : { top: 0, left: 0 };
}
var body = doc.body,
jQuery.fn.offset = function( options ) {
var elem = this[0];
- if ( options ) {
+ if ( options ) {
return this.each(function( i ) {
jQuery.offset.setOffset( this, options, i );
});
jQuery.offset.initialize();
- var offsetParent = elem.offsetParent, prevOffsetParent = elem,
- doc = elem.ownerDocument, computedStyle, docElem = doc.documentElement,
- body = doc.body, defaultView = doc.defaultView,
+ var computedStyle,
+ offsetParent = elem.offsetParent,
+ prevOffsetParent = elem,
+ doc = elem.ownerDocument,
+ docElem = doc.documentElement,
+ body = doc.body,
+ defaultView = doc.defaultView,
prevComputedStyle = defaultView ? defaultView.getComputedStyle( elem, null ) : elem.currentStyle,
- top = elem.offsetTop, left = elem.offsetLeft;
+ top = elem.offsetTop,
+ left = elem.offsetLeft;
while ( (elem = elem.parentNode) && elem !== body && elem !== docElem ) {
if ( jQuery.offset.supportsFixedPosition && prevComputedStyle.position === "fixed" ) {
},
bodyOffset: function( body ) {
- var top = body.offsetTop, left = body.offsetLeft;
+ var top = body.offsetTop,
+ left = body.offsetLeft;
jQuery.offset.initialize();
return { top: top, left: left };
},
-
+
setOffset: function( elem, options, i ) {
var position = jQuery.css( elem, "position" );
if (options.left != null) {
props.left = (options.left - curOffset.left) + curLeft;
}
-
+
if ( "using" in options ) {
options.using.call( elem, props );
} else {
jQuery.fn[ method ] = function(val) {
var elem = this[0], win;
-
+
if ( !elem ) {
return null;
}