Web platform features explorer - structuredClone()

Web platform features explorer

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.

Status

Baseline Widely Available (since 2024-09-14)

MDN documentation

Window: structuredClone() method

Specifications

HTML (#structured-cloning), from HTML Workstream (WHATWG).

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)

~20.186% of page loads. More data at chromestatus.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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