Run results for: es6 destructuring vs lodash _.get vs dlv

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36

Browser: Chrome 77

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
destructuring with defaults, find item	1714324.0 Ops/sec
lodash get, find item	898961.5 Ops/sec
dlv get, find item	946865.7 Ops/sec
destructuring dynamic key	1756258.5 Ops/sec
lodash dynamic key	733293.6 Ops/sec
dlv dynamic key	649810.4 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4/lodash.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dlv@1.1.3/dist/dlv.umd.min.js"></script>

Script Preparation code:


function destructuringFn(input) {
  const { contextMenu: { data: { documents = [] } = {} } = {} } = input;
  return documents;
}

function destructuringFnDynamic(input, key) {
  const { contextMenu: { data: { [key]: documents = [] } = {} } = {} } = input;
  return documents;
}

function lodashFn(input) {
  const documents = _.get(input, 'contextMenu.data.documents', []);
  return documents;
}

function delveFn(input) {
  const documents = dlv(input, 'contextMenu.data.documents', []);
  return documents;
}

function lodashFnDynamic(input, key) {
  const documents = _.get(input, `contextMenu.data.${key}`, []);
  return documents;
}

function delveFnDynamic(input, key) {
  const documents = dlv(input, `contextMenu.data.${key}`, []);
  return documents;
}

function test(fn, input, key) {
  fn(input, key);
}

Tests:

destructuring with defaults, find item
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(destructuringFn, input);
lodash get, find item
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(lodashFn, input);
dlv get, find item
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(delveFn, input);
destructuring dynamic key
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(destructuringFnDynamic, input, 'documents');
lodash dynamic key
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(lodashFnDynamic, input, 'documents');
dlv dynamic key
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(delveFnDynamic, input, 'documents');

Run results for: es6 destructuring vs lodash _.get vs dlv

compare performance of _.get to es6 desu

destructuring with defaults, find item

lodash get, find item

dlv get, find item

destructuring dynamic key

lodash dynamic key

dlv dynamic key