Run results for: deep cloning tests

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 121

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

_.cloneDeep(num)

880K/s

JSON.parse(JSON.stringify(num))

413K/s

structuredClone(num)

142K/s

structuredClone(obj)

43K/s

JSON.parse(JSON.stringify(obj))

42K/s

_.cloneDeep(obj)

36K/s

View exact numbers

Test name	Executions per second
✓ _.cloneDeep(num)	879,511 Ops/sec
JSON.parse(JSON.stringify(num))	413,144 Ops/sec
structuredClone(num)	141,848 Ops/sec
structuredClone(obj)	42,642 Ops/sec
JSON.parse(JSON.stringify(obj))	41,950 Ops/sec
_.cloneDeep(obj)	36,246 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js"></script>

Script Preparation code:

var original = {
  timestamp: new Date(),
  results: new Map([["duration", 15000], ["started", 200], ["type", "hack"]]),
  well: {
    then: "idk",
    list: Array.from({length: 8}, () => Math.random())
  }
};
var results = [];

Tests:

_.cloneDeep(obj)
results[0] = _.cloneDeep(original);
JSON.parse(JSON.stringify(obj))
results[1] = JSON.parse(JSON.stringify(original));
structuredClone(obj)
results[2] = structuredClone(original);
_.cloneDeep(num)
results[3] = _.cloneDeep(8);
JSON.parse(JSON.stringify(num))
results[4] = JSON.parse(JSON.stringify(8));
structuredClone(num)
results[5] = structuredClone(8);