Run results for: RFDC clone vs clone-deep clone vs Lodash cloneDeep vs JSON Clone

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36

Browser: Chrome 91

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
RFDC clone	282734.8 Ops/sec
LoDash cloneDeep clone	69446.7 Ops/sec
Json clone	86148.9 Ops/sec
clone-deep clone	12508.0 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/rfdc@1.1.4/index.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>

Script Preparation code:

var sampleObject = [{
        "id": "0001",
        "type": "donut",
        "name": "Cake",
        "ppu": 0.55,
        "batters": {
            "batter": [{
                    "id": "1001",
                    "type": "Regular"
                },
                {
                    "id": "1002",
                    "type": "Chocolate"
                },
                {
                    "id": "1003",
                    "type": "Blueberry"
                },
                {
                    "id": "1004",
                    "type": "Devil's Food"
                }
            ]
        },
        "topping": [{
                "id": "5001",
                "type": "None"
            },
            {
                "id": "5002",
                "type": "Glazed"
            },
            {
                "id": "5005",
                "type": "Sugar"
            },
            {
                "id": "5007",
                "type": "Powdered Sugar"
            },
            {
                "id": "5006",
                "type": "Chocolate with Sprinkles"
            },
            {
                "id": "5003",
                "type": "Chocolate"
            },
            {
                "id": "5004",
                "type": "Maple"
            }
        ]
    },
    {
        "id": "0002",
        "type": "donut",
        "name": "Raised",
        "ppu": 0.55,
        "batters": {
            "batter": [{
                "id": "1001",
                "type": "Regular"
            }]
        },
        "topping": [{
                "id": "5001",
                "type": "None"
            },
            {
                "id": "5002",
                "type": "Glazed"
            },
            {
                "id": "5005",
                "type": "Sugar"
            },
            {
                "id": "5003",
                "type": "Chocolate"
            },
            {
                "id": "5004",
                "type": "Maple"
            }
        ]
    },
    {
        "id": "0003",
        "type": "donut",
        "name": "Old Fashioned",
        "ppu": 0.55,
        "batters": {
            "batter": [{
                    "id": "1001",
                    "type": "Regular"
                },
                {
                    "id": "1002",
                    "type": "Chocolate"
                }
            ]
        },
        "topping": [{
                "id": "5001",
                "type": "None"
            },
            {
                "id": "5002",
                "type": "Glazed"
            },
            {
                "id": "5003",
                "type": "Chocolate"
            },
            {
                "id": "5004",
                "type": "Maple"
            }
        ]
    }
];

var myCopy = null;

// minified clone-deep
var toString=Object.prototype.toString;function isObject(r){return"[object Object]"===Object.prototype.toString.call(r)}function isPlainObject(r){var e,t;return!1!==isObject(r)&&(void 0===(e=r.constructor)||!1!==isObject(t=e.prototype)&&!1!==t.hasOwnProperty("isPrototypeOf"))}function kindOf(r){if(void 0===r)return"undefined";if(null===r)return"null";var e=typeof r;if("boolean"===e)return"boolean";if("string"===e)return"string";if("number"===e)return"number";if("symbol"===e)return"symbol";if("function"===e)return isGeneratorFn(r)?"generatorfunction":"function";if(isArray(r))return"array";if(isBuffer(r))return"buffer";if(isArguments(r))return"arguments";if(isDate(r))return"date";if(isError(r))return"error";if(isRegexp(r))return"regexp";switch(ctorName(r)){case"Symbol":return"symbol";case"Promise":return"promise";case"WeakMap":return"weakmap";case"WeakSet":return"weakset";case"Map":return"map";case"Set":return"set";case"Int8Array":return"int8array";case"Uint8Array":return"uint8array";case"Uint8ClampedArray":return"uint8clampedarray";case"Int16Array":return"int16array";case"Uint16Array":return"uint16array";case"Int32Array":return"int32array";case"Uint32Array":return"uint32array";case"Float32Array":return"float32array";case"Float64Array":return"float64array"}if(isGeneratorObj(r))return"generator";switch(e=toString.call(r)){case"[object Object]":return"object";case"[object Map Iterator]":return"mapiterator";case"[object Set Iterator]":return"setiterator";case"[object String Iterator]":return"stringiterator";case"[object Array Iterator]":return"arrayiterator"}return e.slice(8,-1).toLowerCase().replace(/\s/g,"")}function ctorName(r){return"function"==typeof r.constructor?r.constructor.name:null}function isArray(r){return Array.isArray?Array.isArray(r):r instanceof Array}function isError(r){return r instanceof Error||"string"==typeof r.message&&r.constructor&&"number"==typeof r.constructor.stackTraceLimit}function isDate(r){return r instanceof Date||"function"==typeof r.toDateString&&"function"==typeof r.getDate&&"function"==typeof r.setDate}function isRegexp(r){return r instanceof RegExp||"string"==typeof r.flags&&"boolean"==typeof r.ignoreCase&&"boolean"==typeof r.multiline&&"boolean"==typeof r.global}function isGeneratorFn(r,e){return"GeneratorFunction"===ctorName(r)}function isGeneratorObj(r){return"function"==typeof r.throw&&"function"==typeof r.return&&"function"==typeof r.next}function isArguments(r){try{if("number"==typeof r.length&&"function"==typeof r.callee)return!0}catch(r){if(-1!==r.message.indexOf("callee"))return!0}return!1}function isBuffer(r){return!(!r.constructor||"function"!=typeof r.constructor.isBuffer)&&r.constructor.isBuffer(r)}function cloneDeep(r,e){switch(kindOf(r)){case"object":return cloneObjectDeep(r,e);case"array":return cloneArrayDeep(r,e);default:return clone(r)}}function cloneObjectDeep(r,e){if("function"==typeof e)return e(r);if(e||isPlainObject(r)){const t=new r.constructor;for(let n in r)t[n]=cloneDeep(r[n],e);return t}return r}function cloneArrayDeep(r,e){const t=new r.constructor(r.length);for(let n=0;n<r.length;n++)t[n]=cloneDeep(r[n],e);return t}const valueOf=Symbol.prototype.valueOf;function clone(r,e){switch(kindOf(r)){case"array":return r.slice();case"object":return Object.assign({},r);case"date":return new r.constructor(Number(r));case"map":return new Map(r);case"set":return new Set(r);case"buffer":return cloneBuffer(r);case"symbol":return cloneSymbol(r);case"arraybuffer":return cloneArrayBuffer(r);case"float32array":case"float64array":case"int16array":case"int32array":case"int8array":case"uint16array":case"uint32array":case"uint8clampedarray":case"uint8array":return cloneTypedArray(r);case"regexp":return cloneRegExp(r);case"error":return Object.create(r);default:return r}}function cloneRegExp(r){const e=void 0!==r.flags?r.flags:/\w+$/.exec(r)||void 0,t=new r.constructor(r.source,e);return t.lastIndex=r.lastIndex,t}function cloneArrayBuffer(r){const e=new r.constructor(r.byteLength);return new Uint8Array(e).set(new Uint8Array(r)),e}function cloneTypedArray(r,e){return new r.constructor(r.buffer,r.byteOffset,r.length)}function cloneBuffer(r){const e=r.length,t=Buffer.allocUnsafe?Buffer.allocUnsafe(e):Buffer.from(e);return r.copy(t),t}function cloneSymbol(r){return valueOf?Object(valueOf.call(r)):{}}

Tests:

RFDC clone
var clone = rfdc(); myCopy = clone(sampleObject);
LoDash cloneDeep clone
myCopy = _.cloneDeep(sampleObject);
Json clone
myCopy = JSON.parse(JSON.stringify(sampleObject));
clone-deep clone
myCopy = cloneDeep(sampleObject);

Run results for: RFDC clone vs clone-deep clone vs Lodash cloneDeep vs JSON Clone

Comparing performance of: Lodash cloneDeep vs Json clone vs RFDC copy vs clone-deep copy

RFDC clone

LoDash cloneDeep clone

Json clone

clone-deep clone