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.

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Syntax

js

setUint8(byteOffset, value)

Parameters

byteOffset

The offset, in byte, from the start of the view where to store the data.

value

The value to set.

Return value

Errors thrown

RangeError

Thrown if the byteOffset is set such as it would store beyond the end of the view.

Examples

Using the setUint8 method

js

const buffer = new ArrayBuffer(8);
const dataview = new DataView(buffer);
dataview.setUint8(1, 3);
dataview.getUint8(1); // 3

Specifications

Specification
ECMAScript Language Specification
# sec-dataview.prototype.setuint8

Browser compatibility

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See also