jQuery.fn.offset = function() {
if ( !this[0] ) return { top: 0, left: 0 };
if ( this[0] === this[0].ownerDocument.body ) return jQuery.offset.bodyOffset( this[0] );
- var box = this[0].getBoundingClientRect(), doc = this[0].ownerDocument, docElem = doc.documentElement,
- top = box.top + (self.pageYOffset || jQuery.boxModel && docElem.scrollTop || doc.body.scrollTop ) - docElem.clientTop,
- left = box.left + (self.pageXOffset || jQuery.boxModel && docElem.scrollLeft || doc.body.scrollLeft) - docElem.clientLeft;
+ var box = this[0].getBoundingClientRect(), doc = this[0].ownerDocument, body = doc.body, docElem = doc.documentElement,
+ clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,
+ top = box.top + (self.pageYOffset || jQuery.boxModel && docElem.scrollTop || body.scrollTop ) - clientTop,
+ left = box.left + (self.pageXOffset || jQuery.boxModel && docElem.scrollLeft || body.scrollLeft) - clientLeft;
return { top: top, left: left };
};
else
jQuery.offset = {
initialize: function() {
if ( this.initialized ) return;
- var body = document.body, container = document.createElement('div'), innerDiv, checkDiv, table, rules, prop, bodyMarginTop = body.style.marginTop,
+ var body = document.body, container = document.createElement('div'), innerDiv, checkDiv, table, td, rules, prop, bodyMarginTop = body.style.marginTop,
html = '<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"cellpadding="0"cellspacing="0"><tr><td></td></tr></table>';
- rules = { position: 'absolute', top: 0, left: 0, margin: 0, border: 0, width: '1px', height: '1px', visibility: 'hidden' }
+ rules = { position: 'absolute', top: 0, left: 0, margin: 0, border: 0, width: '1px', height: '1px', visibility: 'hidden' };
for ( prop in rules ) container.style[prop] = rules[prop];
container.innerHTML = html;
var method = 'scroll' + name;
jQuery.fn[ method ] = function(val) {
- if (!this[0]) return;
+ if (!this[0]) return null;
- return val != undefined ?
+ return val !== undefined ?
// Set the scroll offset
this.each(function() {