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1 line of code: How to get the average of an array
source link: https://dev.to/martinkr/1-line-of-code-how-to-get-the-average-of-an-array-7bj
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const average = arr = arr.reduce((a, b) => a + b, 0) / arr.length;
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Returns the average of the sum of all items in a numerical array.
Beware of JavaScripts Automatic Type Conversion if your Array contains something else than Numbers.
The repository & npm package
You can find the all the utility functions from this series at github.com/martinkr/onelinecode
The library is also published to npm as @onelinecode for your convenience.
The code and the npm package will be updated every time I publish a new article.
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