DataView.prototype.getInt16()

The getInt16() method of DataView instances reads 2 bytes starting at the specified byte offset of this DataView and interprets them as a 16-bit signed integer. There is no alignment constraint; multi-byte values may be fetched from any offset within bounds.

Try it

// Create an ArrayBuffer with a size in bytes
const buffer = new ArrayBuffer(16);

const view = new DataView(buffer);
view.setInt16(1, 32767); // Max signed 16-bit integer

console.log(view.getInt16(1));
// Expected output: 32767

Syntax

js
getInt16(byteOffset)
getInt16(byteOffset, littleEndian)

Parameters

byteOffset

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

littleEndian Optional

Indicates whether the data is stored in little- or big-endian format. If false or undefined, a big-endian value is read.

Return value

An integer from -32768 to 32767, inclusive.

Exceptions

RangeError

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

Examples

undefined

Using getInt16()

js
const { buffer } = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
const dataview = new DataView(buffer);
console.log(dataview.getInt16(1)); // 258

Specifications

See also