var buf1 = Buffer.from('abc'); var buf2 = Buffer.from('abc'); var x = Buffer.compare(buf1, buf2); console.log(x); var buf1 = Buffer.from('a'); var buf2 = Buffer.from('b'); var x = Buffer.compare(buf1, buf2); console.log(x); var buf1 = Buffer.from('b'); var buf2 = Buffer.from('a'); var x = Buffer.compare(buf1, buf2); console.log(x);