Optional options: boolean | AddEventListenerOptionsOptional options: boolean | AddEventListenerOptionsDispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.
Optional options: boolean | EventListenerOptionsOptional options: boolean | EventListenerOptions
This Web Speech API interface represents a speech request. It contains the content the speech service should read and information about how to read it (e.g. language, pitch and volume.)
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