structuredClone()
Widely available since 2024-09-14
The structuredClone() global method creates a deep copy of an object. Values that cannot be cloned can instead be transferred, making the original value no longer usable.
Learning resources on MDN
Browser support
- Chrome 98 Released on 2022-02-01
- Chrome Android 98 Released on 2022-02-01
- Edge 98 Released on 2022-02-03
- Firefox 94 Released on 2021-11-02
- Firefox for Android 94 Released on 2021-11-02
- Safari 15.4 Released on 2022-03-14
- Safari on iOS 15.4 Released on 2022-03-14
Usage (according to Chrome Platform Status)
~18.546% of page loads. More data at chromestatus.
Specifications
- HTML (#structured-cloning), from HTML Workstream (WHATWG).
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