Executes a string of Javascript in the context of the current page asynchronously.
@param javascript The string of Javascript to execute.
@param frame_name The name of the frame to execute in; pass an empty string to execute in the main frame.
See Implementation
Executes a string of Javascript in the context of the current page asynchronously.
@param javascript The string of Javascript to execute.
@param frame_name The name of the frame to execute in; pass an empty string to execute in the main frame.