PushMessageData: bytes() method
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 |
Browser compatibility
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