MeasureThat.net

Run results for: lodash merge vs object.assign vs spread 3984398

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36
Chrome 94
Linux
Desktop
3 years ago
Test name Executions per second
lodash merge 1360357.8 Ops/sec
object.assign 3561493.5 Ops/sec
spread 5997407.5 Ops/sec
HTML Preparation code:
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<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:

  • lodash merge

     
    var a = {a: 1, b: 2, c: 3, d: 4, e: 5, f: 6};
    var b = {a: 10, b: 20, c: 30, d: 40, e: 50, f: 60};
    var c = _.merge(a, b);

  • object.assign

     
    var a = {a: 1, b: 2, c: 3, d: 4, e: 5, f: 6};
    var b = {a: 10, b: 20, c: 30, d: 40, e: 50, f: 60};
    var c = Object.assign(a, b);

  • spread

     
    var a = {a: 1, b: 2, c: 3, d: 4, e: 5, f: 6};
    var b = {a: 10, b: 20, c: 30, d: 40, e: 50, f: 60};
    var c = { ...a, ...b };