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DataView.prototype.getInt32() - JavaScript | MDN
// Create an ArrayBuffer with a size in bytes
const buffer = new ArrayBuffer(16);
const view = new DataView(buffer);
view.setInt32(1, 2147483647); // Max signed 32-bit integer
console.log(view.getInt32(1));
// Expected output: 2147483647
getInt32(byteOffset)
getInt32(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 -2147483648 to 2147483647, inclusive.
RangeError
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.getInt32(1)); // 16909060