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DataView.prototype.getInt8()

The getInt8() method of DataView instances reads 1 byte at the specified byte offset of this DataView and interprets it as an 8-bit signed integer.

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Syntax

getInt8(byteOffset)

Parameters

byteOffset: The offset, in bytes, from the start of the view to read the data from.

Return value

An integer from -128 to 127, inclusive.

Exceptions

RangeError: Thrown if the byteOffset is set such that it would read beyond the end of the view.

Examples

Using getInt8()

const { buffer } = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
const dataview = new DataView(buffer);
console.log(dataview.getInt8(1)); // 1

Specifications

Specification
ECMAScript Language Specification # sec-dataview.prototype.getint8

Browser compatibility

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	Deno	Node.js
`getInt8`	9	12	15	12.1	5.1	18	15	12.1	5	1.0	4	1.0	0.10.0

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Syntax

Parameters

Return value

Exceptions

Examples

Using getInt8()

Specifications

Browser compatibility

See also