Simple example: on one route u have 1 component with hook specified above. U change route. Then go back. What will happen on specified keydown? Assume SPA with react router. This is simple example. There are tons more complicated ones. It's even that case when we have no deps and adding event on mount, useEffect is MUCH more flexible.
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Simple example: on one route u have 1 component with hook specified above. U change route. Then go back. What will happen on specified keydown? Assume SPA with react router. This is simple example. There are tons more complicated ones. It's even that case when we have no deps and adding event on mount, useEffect is MUCH more flexible.