method Buffer.writeFloatLE
Buffer.writeFloatLE(value: number,offset?: number,): numberDeprecated
Writes value to buf at the specified offset as little-endian. Behavior is
undefined when value is anything other than a JavaScript number.
import { Buffer } from 'node:buffer';
const buf = Buffer.allocUnsafe(4);
buf.writeFloatLE(0xcafebabe, 0);
console.log(buf);
// Prints: <Buffer bb fe 4a 4f>
numberoffset plus the number of bytes written.