document.body.appendChild( div );
jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
document.body.removeChild( div ).style.display = 'none';
+ div = null;
});
+
+ // release memory in IE
+ root = script = div = all = a = null;
})();
jQuery.props = {
maxlength: "maxLength",
cellspacing: "cellSpacing",
rowspan: "rowSpan",
+ colspan: "colSpan",
tabindex: "tabIndex"
};