The structured clone algorithm

The structured clone algorithm
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The structured clone algorithm copies complex JavaScript objects. It is used internally to transfer data between Workers via postMessage(), storing objects with IndexedDB, or copying objects for other APIs.

developer.mozilla.org 2 years ago

Open page

https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm

1 comments

鹿野壮

@tonkotsuboy_com

a month ago

配列やオブジェクトのディープコピーを
JSON.parse(JSON.stringify(object))
と書いてませんか？

2022年現在はstructuredClone()でディープコピーができます。

Safari 15.4の登場により全モダンブラウザで対応済み

デモ
https://codepen.io/tonkotsuboy/pen/MWrxGVy?editors=0011

アルゴリズム
https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm