Benchmark: bonkers - MeasureThat.net

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.12/lodash.min.js"></script>

Script Preparation code:

var max1 = 1000;
var arr1 = [];
for (var i = 0; i <= max1; i++) { arr1.push({ objectID: i.toString(), a: 'b', c: 'd', e: 'f', g: 'h' }); }

Tests:

lodash reduce current
_.reduce(arr1, (memo, item) => ({ ...memo, [item.objectID]: item }), {});
lodash reduce direct
_.reduce(arr1, (memo, item) => { memo[item.objectID] = item; return memo }, {});
lodash forEach object assign
const hits = {}; _.forEach(arr1, item => Object.assign(hits, { [item.objectID]: item }));
lodash forEach direct
const hits = {}; _.forEach(arr1, item => hits[item.objectID] = item);
native forEach object assign
const hits = {}; arr1.forEach(item => Object.assign(hits, { [item.objectID]: item }));
native forEach direct
const hits = {}; arr1.forEach(item => hits[item.objectID] = item);

Rendered benchmark preparation results:

Previous results

Test case name	Result
lodash reduce current
lodash reduce direct
lodash forEach object assign
lodash forEach direct
native forEach object assign
native forEach direct

Latest run results:

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Related benchmarks:

bonkers (version: 0)