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Run results for: Lodash omit + cloneDeep vs JS forEach

Lodash omit + cloneDeep vs JS forEach

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Chrome 105
Windows
Desktop
2 years ago
Test name Executions per second
Lodash omit + cloneDeep 395995.2 Ops/sec
JS forEach 4639454.5 Ops/sec
HTML Preparation code:
AخA
 
1
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Tests:

  • Lodash omit + cloneDeep

     
    const a = {prop1: {a: 1}, prop2: {a: 2}};
    const b = _.cloneDeep(_.omit(a, 'prop1'));
    b['prop2'] = null;

  • JS forEach

     
    const a = {prop1: {a: 1}, prop2: {a: 2}};
    const b = {};
    Object.keys(a).forEach(key => {
      if(key !== 'prop1'){
        b[key] = {...a[key]};
      }
    });
    b['prop2'].a = null;