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Issue HowProgrammingWorks#4: Task four.
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Dmitry Porokhnya
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Sep 14, 2019
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Original file line number | Diff line number | Diff line change |
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@@ -1,5 +1,13 @@ | ||
'use strict'; | ||
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const countTypesInArray = null; | ||
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const countTypesInArray = arr => { | ||
const obj = {}; | ||
for (const item of arr) { | ||
const type = typeof item; | ||
type in obj ? obj[type]++ : obj[type] = 1; | ||
} | ||
return obj; | ||
}; | ||
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module.exports = { countTypesInArray }; |