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

js

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()

js

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

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See also