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Run results for:
JSON stringify vs slice vs structuredClone vs spread vs Array from
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 122
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Test name
Executions per second
JSON.stringify
108932.9 Ops/sec
slice
847182.4 Ops/sec
Array from
500215.1 Ops/sec
Spread
840467.9 Ops/sec
structuredClone
51908.7 Ops/sec
Script Preparation code:
var vertices = [ [1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1], ] var myCopy = null;
Tests:
JSON.stringify
myCopy = JSON.parse(JSON.stringify(vertices));
slice
myCopy = vertices.slice();
Array from
myCopy = Array.from(vertices)
Spread
myCopy = [...vertices]
structuredClone
myCopy = structuredClone(vertices)