Run results for: lodash clonedeep vs json.parse(stringify()) vs recursivecopy vs shallowcopy

Test name	Executions per second
✓ shalow copy	14,898,601 Ops/sec
recursiveDeepCopy	2,047,386 Ops/sec
Json Clone	499,901 Ops/sec
Lodash CloneDeep	337,017 Ops/sec

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...',
      vetor: [
        {
        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
        parse: 'JSON.parse() method parses a JSON string...'
        },
        {
        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
        parse: 'JSON.parse() method parses a JSON string...'
        },
        {
        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
        parse: 'JSON.parse() method parses a JSON string...'
        }
      ],
        jayson: {
            stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
            parse: 'JSON.parse() method parses a JSON string...',
            jayson: {
                stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                parse: 'JSON.parse() method parses a JSON string...',
                vetor: [
                    {
                        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                        parse: 'JSON.parse() method parses a JSON string...'
                    },
                    {
                        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                        parse: 'JSON.parse() method parses a JSON string...'
                    },
                    {
                        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                        parse: 'JSON.parse() method parses a JSON string...'
                    }
                ],
                jayson: {
                    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                    parse: 'JSON.parse() method parses a JSON string...'
                }
            }
        }
    }
};

var myCopy = null;

function recursiveDeepCopy(o) {
    var newO,
      i;
  
    if (typeof o !== 'object') {
      return o;
    }
    if (!o) {
      return o;
    }
  
    if ('[object Array]' === Object.prototype.toString.apply(o)) {
      newO = [];
      for (i = 0; i < o.length; i += 1) {
        newO[i] = recursiveDeepCopy(o[i]);
      }
      return newO;
    }
  
    newO = {};
    for (i in o) {
      if (o.hasOwnProperty(i)) {
        newO[i] = recursiveDeepCopy(o[i]);
      }
    }
    return newO;
  }

Run results for: lodash clonedeep vs json.parse(stringify()) vs recursivecopy vs shallowcopy

Lodash CloneDeep

Json Clone

recursiveDeepCopy

shalow copy