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ericelliott/map-custom-data-type.js

Created January 4, 2017 00:20
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Map with custom data type
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map-custom-data-type.js
const double = n => n.points * 2;
const doubleMap = numbers => numbers.map(double);
console.log(doubleMap([
{ name: 'ball', points: 2 },
{ name: 'coin', points: 3 },
{ name: 'candy', points: 4}
])); // [ 4, 6, 8 ]
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