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2026/2/19 -structuredClone() is based on the Structured Clone Algorithm, which is used internally by the browser (like in postMessage , IndexedDB , and ...

2024/9/4 -structuredClone() is often faster than JSON.stringify() + JSON.parse() for large, complex data, and avoids the pitfalls of serializing and ...

2016/11/8 -The JSON way has many drawbacks like not supporting circular references, dropping everything not supported by JSON spec, like functions, and ...

2025/12/7 -Interview Question #6 — structuredClone vs JSON.parse(JSON.stringify()) — Explained in Under 60 Seconds (No BS!)

2023/12/22 -Per your benchmark, in Firefox, structuredClone is slightly faster, but in Chromium, JSON.stringify is more than twice as fast. I wonder what ...

structuredClone(object); : This method creates a new object that is a deep copy of the input object. It is designed to preserve the original structure and ...

2026/3/13 -Discover how structuredClone() finally solves JavaScript's deep copying problem in Node.js - no more JSON hacks or heavy libraries required.

2025/8/1 -If your object is simple and you need a string—stick with JSON.stringify() . If you're working with complex nested data, state snapshots, or ...

2026/10/26 -The structuredClone() method of the Window interface creates a deep clone of a value using the structured clone algorithm.

This test compares performance of deep cloning a nested object using JSON.parse(JSON.stringify(...)) versus structuredClone to determine which cloning method