DataView.prototype.setUint8()
The setUint8() method of DataView instances takes a number and stores it as an 8-bit unsigned integer in the byte at the specified byte offset of this DataView.
Try it
Syntax
js
setUint8(byteOffset, value)
Parameters
byteOffset-
The offset, in bytes, from the start of the view to store the data in.
value-
The value to set. For how the value is encoded in bytes, see Value encoding and normalization.
Return value
Exceptions
RangeError-
Thrown if the
byteOffsetis set such that it would store beyond the end of the view.
Examples
Using setUint8()
js
const buffer = new ArrayBuffer(10);
const dataview = new DataView(buffer);
dataview.setUint8(0, 3);
dataview.getUint8(0); // 3
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-dataview.prototype.setuint8 |
Browser compatibility
| desktop | mobile | server | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
setUint8 | |||||||||||||