The getUint8()
method gets an unsigned 8-bit integer (unsigned byte) at the specified byte offset from the start of the DataView
.
DataView.prototype.getUint8()
Try it
Syntax
getUint8(byteOffset)
Parameters
-
byteOffset
-
The offset, in byte, from the start of the view where to read the data.
Return value
An unsigned 8-bit integer number.
Errors thrown
-
RangeError
-
Thrown if the
byteOffset
is set such as it would read beyond the end of the view.
Description
There is no alignment constraint; multi-byte values may be fetched from any offset.
Examples
Using the getUint8 method
var buffer = new ArrayBuffer(8); var dataview = new DataView(buffer); dataview.getUint8(1); // 0
Specifications
Browser compatibility
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
getUint8 |
9
|
12
|
15
|
10
|
12.1
|
5.1
|
4
|
18
|
15
|
12.1
|
5
|
1.0
|
1.0
|
0.10.0
|
See also
© 2005–2022 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint8