RoustamManookian
New Coder
which is cheaper
1) store an array of map keys
or
2) use Array.from(map.keys()) function
1) store an array of map keys
or
2) use Array.from(map.keys()) function
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JavaScript Array.from(map.keys())
- Thread starter RoustamManookian
- Start date
If you store an array of map keys it would be done on the server in a DB, nowhere near the JS you would use the invoke the from(map.key()) function.
Depends on how you are going to use it. If the map doesn't change or changes very infrequently go with the DB else ......
Depends on how you are going to use it. If the map doesn't change or changes very infrequently go with the DB else ......
RoustamManookian
New Coder
The map is being created on startup but the key searching once a 15 seconds, and the question is
-- is it cheaper to store an array of keys in memory or invoke from(keys()) function, witch as I guess creates an array every time I invoke the method???
-- is it cheaper to store an array of keys in memory or invoke from(keys()) function, witch as I guess creates an array every time I invoke the method???
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