bloomberg interview currying.js

const zeros = (i) => {
    let result = '';
    for (var x=0; x<i; x++) {
        result = result+'0'
    }
    return result
}

const inner = (numZero) => (str) => {
      if (str === undefined) {
          return inner(numZero + 1) // should be a function
      }
      return `bl${zeros(numZero)}mberg`
    
}

const bl = inner(0);

console.log(bl('mberg')) // blmberg
console.log(bl()('mberg')) // blomberg
console.log(bl()()('mberg')) // bloomberg

console.log(zeros(2))