Function objIsArr

Pagetual/pagetual.user.js:10662–10667

(obj)

    }

    function objIsArr(obj) {
        return obj &&
            typeof obj === 'object' &&
            typeof obj.length === 'number' &&
            !(obj.propertyIsEnumerable('length'));
    }

    function isVisible(el, win) {
        if(!el || !el.offsetParent)return false;