Un-bind your JS with curry - https://medium.com/@wilmoore/un-bind-your-js-with-curry-a8657a4138cb#.i3hf8zc42

map.js

function map (fn, list) {
  var end = list.length
  var idx = -1
  var out = []
  while (++idx < end) {
    out.push(fn(list[idx]))
  }
  return out
}

math-curried.js

// math.js
'use strict'
// NOTE: remember to `npm install curry2`
const curry2 = require('curry2')
exports.binaryAdd = curry2(binaryAdd)

/**
 * Addition of two integers.
 *
 * @param {Number} n1
 * First integer.
 *
 * @param {Number} n2
 * Second integer.
 *
 * @return {Number}
 * Sum of adding two integers.
 */
function binaryAdd (n1, n2) {
 return n1 + n2
}

math.js

// math.js
'use strict'
exports.binaryAdd = binaryAdd
/**
 * Addition of two integers.
 *
 * @param {Number} n1
 * First integer.
 *
 * @param {Number} n2
 * Second integer.
 *
 * @return {Number}
 * Sum of adding two integers.
 */
function binaryAdd (n1, n2) {
 return n1 + n2
}

use-curried.js

'use strict'
const add = require('./math').binaryAdd
const integers = [3, 4, 5]
map(add(10), integers)
// => [ 13, 14, 15 ]

use1.js

'use strict'
const add = require('./math').binaryAdd
const integers = [3, 4, 5]
map(n => add(10, n), integers)
// => [ 13, 14, 15 ]

use2.js

'use strict'
const add = require('./math').binaryAdd
const add10 = add.bind(null, 10)
const integers = [3, 4, 5]
map(add10, integers)
// => [ 13, 14, 15 ]