var buf = Buffer.allocUnsafe(15);
/*The value of an unsafe buffer is not emptied, and can contain data from older buffers*/
console.log(buf);
<Buffer 02 00 00 00 a7 01 00 00 10 53 49 90 02 a7 01>
var buf = Buffer.allocUnsafe(15);
/*The value of an unsafe buffer is not emptied, and can contain data from older buffers*/
console.log(buf);