DataView.prototype.setInt16() - JavaScript | MDN
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
setInt16(byteOffset, value)
setInt16(byteOffset, value, littleEndian)
Parameters
byteOffset-
The offset, in bytes, from the start of the view to store the data in.
value-
The value to set. For how the value is encoded in bytes, see Value encoding and normalization.
littleEndianOptional-
Indicates whether the data is stored in little- or big-endian format. If
falseorundefined, a big-endian value is written.
Return value
Exceptions
RangeError-
Thrown if the
byteOffsetis set such that it would store beyond the end of the view.
Examples
Using setInt16()
js
const buffer = new ArrayBuffer(10);
const dataview = new DataView(buffer);
dataview.setInt16(0, 3);
dataview.getInt16(1); // 768
Specifications
| Specification |
|---|
| ECMAScript® 2027 Language Specification # sec-dataview.prototype.setint16 |