Function isElementFocusZone

docs/app/js/sanddance-app.js:24686–24688

(element)

    return checkTabIndex ? tabIndex !== -1 && result : result;
}
function isElementFocusZone(element) {
    return !!(element && element.getAttribute && !!element.getAttribute(FOCUSZONE_ID_ATTRIBUTE));
}
function isElementFocusSubZone(element) {
    return !!(element && element.getAttribute && element.getAttribute(FOCUSZONE_SUB_ATTRIBUTE) === "true");
}