Bulk memory operations, such as copy and init, mirror the efficiency of native memcpy and memmove operations.

Learning resources on MDN

No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.

Browser support (view on caniuse.com)

• Chrome 75 Released on 2019-06-04
• Chrome Android 75 Released on 2019-06-04
• Edge 79 Released on 2020-01-15
• Firefox 78 Released on 2020-06-30
• Firefox for Android 79 Released on 2020-07-28
• Safari 15.1 Released on 2021-10-25
• Safari on iOS 15.1 Released on 2021-10-25

View web-platform-tests results for this feature - View the feature source file - Edit the feature - Report an issue about this feature