JSON stringify vs slice vs structuredClone vs spread vs Array from

one month ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Test name Executions per second
JSON.stringify 1590880.0 Ops/sec
slice 10915440.0 Ops/sec
Array from 6616601.0 Ops/sec
Spread 10619310.0 Ops/sec
structuredClone 729029.9 Ops/sec
Script Preparation code:
Tests:
  • JSON.stringify

  • slice

  • Array from

  • Spread

  • structuredClone

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