toUnicode

gistfile1.js

function toUnicode(string) {
  var index = -1
  var length = string.length
  var chars = []
  var item
  while(++index < length) {
    item = string.charCodeAt(index).toString(16).toUpperCase()
    item = "\\u" + Array(5 - item.length).join("0") + item
    chars.push(item)
  }
  return chars
}