Method add

core/src/stdlib/pyscript/web.py:765–771

Add a CSS class.

(self, class_name)

        )

    def add(self, class_name):
        """
        Add a CSS class.
        """
        for name in self._extract_class_names(class_name):
            super().add(name)
            self._class_list.add(name)

    def remove(self, class_name):
        """