DataView.prototype.getUint8()

The getUint8() method gets an unsigned 8-bit integer (unsigned byte) at the specified byte offset from the start of the DataView.

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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

const buffer = new ArrayBuffer(8);
const dataview = new DataView(buffer);
dataview.getUint8(1); // 0

Specifications

Specification
ECMAScript Language Specification
# sec-dataview.prototype.getuint8

Browser compatibility

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See also