Run results for: cloneDeep vs merge

Run details:

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: Chrome 69

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

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

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);

Run results for: cloneDeep vs merge

myCopy = _.cloneDeep(MyObject);

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