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Run results for:
clonedeep vs structuredclone vs jsonstringify parse
https://developer.mozilla.org/en-US/docs/Web/API/structuredClone
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=612837" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
JSON.parse
145K/s
±5.15%
structedClone (native)
83K/s
±2.70%
lodash
49K/s
±3.51%
View exact numbers
Test name
Executions per second
✓
JSON.parse
144,506 Ops/sec
±5.15%
structedClone (native)
82,685 Ops/sec
±2.70%
lodash
49,291 Ops/sec
±3.51%
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var MyObject = { "key1": "value1", "key2": 2, "key3": true, "key4": [1, 2, 3], "key5": { "nested": "object" }, "key6": "value6", "key7": 7, "key8": false, "key9": [9, 8, 7], "key10": { "data": 10 }, "key11": "value11", "key12": 12, "key13": true, "key14": [14], "key15": { "inner": 15 }, "key16": "value16", "key17": 17, "key18": false, "key19": [1, 9], "key20": { "info": "twenty" }, "key21": "value21", "key22": 22, "key23": true, "key24": [24], "key25": { "nested": 25 }, "key26": "value26", "key27": 27, "key28": false, "key29": [2, 9], "key30": { "key": "thirty" }, "key31": "value31", "key32": 32, "key33": true, "key34": [34], "key35": { "number": 35 }, "key36": "value36", "key37": 37, "key38": false, "key39": [3, 9], "key40": { "k": 40 }, "key41": "value41", "key42": 42, "key43": true, "key44": [44], "key45": { "v": 45 }, "key46": "value46", "key47": 47, "key48": false, "key49": [4, 9], "key50": { "x": "fifty" }, "key51": "value51", "key52": 52, "key53": true, "key54": [54], "key55": { "nested": "fifty-five" }, "key56": "value56", "key57": 57, "key58": false, "key59": [5, 9], "key60": { "extra": 60 }, "key61": "value61", "key62": 62, "key63": true, "key64": [64], "key65": { "deep": 65 }, "key66": "value66", "key67": 67, "key68": false, "key69": [6, 9], "key70": { "hint": 70 }, "key71": "value71", "key72": 72, "key73": true, "key74": [74], "key75": { "test": 75 }, "key76": "value76", "key77": 77, "key78": false, "key79": [7, 9], "key80": { "desc": 80 }, "key81": "value81", "key82": 82, "key83": true, "key84": [84], "key85": { "info": "eighty-five" }, "key86": "value86", "key87": 87, "key88": false, "key89": [8, 9], "key90": { "data": 90 }, "key91": "value91", "key92": 92, "key93": true, "key94": [94], "key95": { "final": 95 }, "key96": "value96", "key97": 97, "key98": false, "key99": [9, 9], "key100": { "last": "hundert" } }; var myCopy = null;
Tests:
lodash
myCopy = _.cloneDeep(MyObject);
structedClone (native)
myCopy = structuredClone(MyObject);
JSON.parse
myCopy = JSON.parse(JSON.stringify(MyObject));