Execution diferential time between cloning with JSON and locash#cloneDeep

json-lodash-clone.js

const _ = require('lodash');
const times = 1000000;
const srcObj = {
  _string: 'hey you',
  _array: [1, 2, 3, 4, 5, 6],
  _obj: {
    _string: 'hey you',
    _array: [1, 2, 3, 4, 5, 6]
  }
};

function jsonCloning(obj) {
  return JSON.parse(JSON.stringify(obj));
}

function _cloning(obj) {
  return _.cloneDeep(obj);
}

var i;
var startTime;


startTime = Date.now();
for (var i = 0; i < times; i++) {
  jsonCloning(srcObj);  
}
console.info(Date.now() - startTime);


startTime = Date.now();
for (var i = 0; i < times; i++) {
  _cloning(srcObj);  
}
console.info(Date.now() - startTime);