1 keystream.js

var Kefir = require('kefir') 

var keystream  = Kefir.fromEvents(document.body, 'keydown')

var charstream = keystream.map(function (ev) {
  return String.fromCharCode(ev.which)
})

var stringStream = charstream.scan(function (acc, cur) {
  return acc += (cur + ' ')
})


stringStream.log()