History of Idiom 52 > diff from v23 to v24
Edit summary for version 24 by 1.7.4:
New JS implementation by user [1.7.4]
New JS implementation by user [1.7.4]
↷
Version 23
2016-11-29, 20:25:36
Version 24
2019-01-24, 09:48:56
Idiom #52 Check if map contains value
Determine whether map m contains an entry with value v, for some key.
Idiom #52 Check if map contains value
Determine whether map m contains an entry with value v, for some key.
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Object.values converts a hashmap to a list of values.
Array#indexOf finds the first location of a value in an array, or returns -1 if the value isn't in the array.