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dataView.getUint8

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

Syntax

dataview.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

Feature Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 9 12 15 10 12.1 5.1
Feature Android webview Chrome for Android Edge mobile Firefox for Android Opera Android iOS Safari Samsung Internet
Basic support 4 Yes Yes 15 12 4.2 ?

See also

© 2005–2018 Mozilla Developer Network and individual 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