PushMessageData: bytes() method
Baseline 2023Newly available
Since March 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is only available in Service Workers.
The bytes() method of the PushMessageData interface extracts push message data as an Uint8Array object.
Syntax
js
bytes()
Parameters
None.
Return value
An Uint8Array.
Exceptions
The returned Uint8Array is backed by an ArrayBuffer of bytes.
Exceptions thrown during creation of this backing buffer are re-thrown.
See TypedArray.
Examples
js
self.addEventListener("push", (event) => {
const buffer = event.data.Uint8Array();
// do something with your typed array
});
Specifications
| Specification |
|---|
| Push API # dom-pushmessagedata-bytes |