Baseline Widely available
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.
// 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
getInt16(byteOffset)
getInt16(byteOffset, littleEndian)
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.
An integer from -32768 to 32767, inclusive.
ExceptionsRangeError
Thrown if the byteOffset is set such that it would read beyond the end of the view.
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
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