Method getTabIndex

src/main/java/org/htmlunit/html/HtmlElement.java:447–462

Returns this element's tab index, if it has one. If the tab index is outside the valid range (less than 0 or greater than 32767 ), this method returns #TAB_INDEX_OUT_OF_BOUNDS. If this element does not have a tab index, or its tab index is otherwise invalid, this met

()

     * @return this element's tab index
     */
    public Short getTabIndex() {
        final String index = getAttributeDirect("tabindex");
        if (index == null || index.isEmpty()) {
            return null;
        }
        try {
            final long l = Long.parseLong(index);
            if (l >= 0 && l <= Short.MAX_VALUE) {
                return Short.valueOf((short) l);
            }
            return TAB_INDEX_OUT_OF_BOUNDS;
        }
        catch (final NumberFormatException e) {
            return null;
        }
    }

    /**
     * Returns the first element with the specified tag name that is an ancestor to this element, or