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dormd/array-sum-by.step2.js

Last active August 18, 2019 16:13
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array-sum-by.step2.js
function sumBy(items, iteratee) {
const sumByFunc = getSumByFunc(iteratee);
let sum = 0;
for(let i = 0; i < items.length; i++) {
sum += sumByFunc(items[i]);
}
return sum;
}
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