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mgdm/wat.js

Created December 3, 2015 15:39
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Explain this
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wat.js
var input = ['1', '2', '3'];
var a = input.map(parseInt);
console.log(a); // [ 1, NaN, NaN ]
var b = input.map(n => parseInt(n));
console.log(b); // [ 1, 2, 3 ]
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