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Dammmien/average.js

Last active October 3, 2019 09:06
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Average of an array ES6
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average.js
var average = arr => arr.reduce( ( p, c ) => p + c, 0 ) / arr.length;
average( [ 1, 2, 3, 4, 5, 6, 7, 8, 9 ] );
// 5
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