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.

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

See also

• DataView
• ArrayBuffer