var reverse = require('buffer-reverse')
var a = new Buffer('00ff0f', 'hex')

console.log(reverse(a))
// => <Buffer 0f ff 00>

var reverseInplace = require('buffer-reverse/inplace')
var a = new Buffer('00ff0f', 'hex')

console.log(reverseInplace(a))
// => <Buffer 0f ff 00>

// See that a has been mutated
console.log(a)
// => <Buffer 0f ff 00>