$ node benchmark-getLocFromIndex.js
sortedLastIndex x 10,168,021 ops/sec ±1.34% (90 runs sampled)
Array#findIndex x 2,795,631 ops/sec ±1.41% (89 runs sampled)
$ node benchmark-search.js
sortedIndexBy x 7,188,306 ops/sec ±0.84% (89 runs sampled)
Array#findIndex x 2,764,162 ops/sec ±1.65% (84 runs sampled)