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dormd/array-sum-by.step3.js

Last active August 18, 2019 16:30
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array-sum-by.step3.js
function sumBy(items, iteratee) {
const sumByFunc = getSumByFunc(iteratee);
let sum = 0;
items.forEach(item => {
sum += sumByFunc(item);
});
return sum;
}
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