Function isHidden

2.0.3/2.0.3.js:6218–6223

( elem, el )

    }

    function isHidden( elem, el ) {
        // isHidden might be called from jQuery#filter function;
        // in that case, element will be second argument
        elem = el || elem;
        return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
    }

// NOTE: we've included the "window" in window.getComputedStyle
// because jsdom on node.js will break without it.