v1
8/13/2021 by victor-homyakov -00
Setup HTML
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>Setup JavaScript
const array = [];
const LENGTH = 100; // 100, 1000, 10000, 100000
for (let i = 0; i < LENGTH; i++) array.push(i - LENGTH / 2);
ready
let result = _.transform(array, function(result, n) {
result.sum += n;
// break on numbers >= 0
if (n >= 0) return false;
}, {sum: 0});
ready
const BREAK_ERROR = 'BREAK';
let result = {sum: 0};
try {
array.reduce(function(_, n) {
result.sum += n;
if (n >= 0) throw new Error(BREAK_ERROR);
}, undefined);
} catch (e) {
if (e.message === BREAK_ERROR) {
// ignore our error
} else {
// rethrow other errors
result = undefined;
throw e;
}
}