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Run results for:
klona vs lodash.cloneDeep vs rfdc vs structuredClone vs structuredClone
比较不同深度拷贝的test big ObjectData
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=575421" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
klona
347K/s
rfdc
280K/s
recursion
89K/s
structuredClone
60K/s
cloneDeep
45K/s
View exact numbers
Test name
Executions per second
✓
klona
346,665 Ops/sec
rfdc
279,752 Ops/sec
recursion
88,923 Ops/sec
structuredClone
59,774 Ops/sec
cloneDeep
45,293 Ops/sec
HTML Preparation code:
<script src="https://unpkg.com/klona@2.0.4/json/index.js"></script> <script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script> <script src="https://cdn.jsdelivr.net/npm/rfdc@1.1.4/index.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" } ] }, { "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:
cloneDeep
myCopy = _.cloneDeep(sampleObject);
klona
myCopy = klona(sampleObject);
rfdc
var clone = rfdc({ proto: false,circles: false }); myCopy = clone(sampleObject);
recursion
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)
structuredClone
myCopy=structuredClone(sampleObject)