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dataView.setUint8

The setUint8() method stores an unsigned 8-bit integer (byte) value at the specified byte offset from the start of the DataView.

Syntax

dataview.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

undefined.

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

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

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
setUint8 9 12 15 10 12.1 5.1
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
setUint8 4 18 15 12.1 4.2 1.0
Server
Node.js
setUint8 0.10

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://wiki.developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint8