(strategy, locator, root=None)
Checks whether an element is displayed.

        :param strategy: Location strategy to use (type depends on the driver implementation)
        :param locator: Location of target element.
        :param root: (optional) root node.
        :type strategy: str
        :type locator: str
        :type root: web element object or None.
        :return: ``True`` if element is displayed, else ``False``.
        :rtype: bool
Checks whether an element is displayed.
Checks whether an element is displayed .
def is_element_displayed(strategy, locator, root=None):
        """Checks whether an element is displayed.

        :param strategy: Location strategy to use (type depends on the driver implementation)
        :param locator: Location of target element.
        :param root: (optional) root node.
        :type strategy: str
        :type locator: str
        :type root: web element object or None.
        :return: ``True`` if element is displayed, else ``False``.
        :rtype: bool
        """
def is_element_displayed ( strategy , locator , root = None ) :