Function before_enter

pywebio/output.py:2133–2136

()

    check_dom_name_value(name, 'scope name')

    def before_enter():
        if create_scope:
            if_exist = 'blank' if clear else None
            set_scope(name, if_exist=if_exist, **scope_params)  # lock the height of the scope and clear its content

    return use_scope_(name=name, before_enter=before_enter)