Function isArraylike

2.0.3/2.0.3.js:852–867

( obj )

    });

    function isArraylike( obj ) {
        var length = obj.length,
            type = jQuery.type( obj );

        if ( jQuery.isWindow( obj ) ) {
            return false;
        }

        if ( obj.nodeType === 1 && length ) {
            return true;
        }

        return type === "array" || type !== "function" &&
            ( length === 0 ||
                typeof length === "number" && length > 0 && ( length - 1 ) in obj );
    }

// All jQuery objects should point back to these
    rootjQuery = jQuery(document);