Benchmark: cloneDeep vs merge

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var MyObject = {
  description: 'Creates a deep copy of source, which should be an object or an array.',
  myNumber: 123456789,
  myBoolean: true,
  jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...'
  }
};

var myCopy = null;

Tests:

myCopy = _.cloneDeep(MyObject);
myCopy = _.cloneDeep(MyObject);
myCopy = _.merge({}, MyObject);
myCopy = _.merge({}, MyObject);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
myCopy = _.cloneDeep(MyObject);
myCopy = _.merge({}, MyObject);

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser/OS: Chrome 69 on Windows

View result in a separate tab

Test name	Executions per second
myCopy = _.cloneDeep(MyObject);	376705.0 Ops/sec
myCopy = _.merge({}, MyObject);	343614.4 Ops/sec

cloneDeep vs merge (version: 0)

Comparing performance of: myCopy = _.cloneDeep(MyObject); vs myCopy = _.merge({}, MyObject);

Created: 5 years ago by: Guest

Jump to the latest result

myCopy = _.cloneDeep(MyObject);

myCopy = _.merge({}, MyObject);

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A