Run results for: RFDC clone vs lodash cloneDeep vs JSON Clone vs 递归 vs klona

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser: Chrome 111

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
myCopy = _.cloneDeep(sampleObject);	97008.0 Ops/sec
JSON Clone	142725.6 Ops/sec
RFDC 深度拷贝	437706.9 Ops/sec
递归	270959.4 Ops/sec
klona test	563954.2 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 src="https://unpkg.com/klona@2.0.4/json/index.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;

Tests:

myCopy = _.cloneDeep(sampleObject);
myCopy = _.cloneDeep(sampleObject);
JSON Clone
myCopy = JSON.parse(JSON.stringify(sampleObject));
RFDC 深度拷贝
var clone = rfdc({ proto: false,circles: false }); myCopy = clone(sampleObject);
递归
function deepCopy(data) { const t = typeof(data); let o; if (t === 'array') { o = []; } else if (t === 'object') { o = {}; } else { return data; } if (t === 'array') { for (let i = 0; i < data.length; i++) { o.push(deepCopy(data[i])); } } else if (t === 'object') { for (const i in data) { if (!data.hasOwnProperty(i)) { continue; } o[i] = deepCopy(data[i]); } } return o; } myCopy = deepCopy(sampleObject)
klona test
myCopy = klona(sampleObject);

Run results for: RFDC clone vs lodash cloneDeep vs JSON Clone vs 递归 vs klona

比较 rfdc 深度拷贝与 cloneDeep 与 json clone 与递归 的速度

myCopy = _.cloneDeep(sampleObject);

JSON Clone

RFDC 深度拷贝

递归

klona test

比较 rfdc 深度拷贝与 cloneDeep 与 json clone 与递归的速度