JavaScript Assessment

javasscript-assessment.md

Question One:

Create a function that when given the following input:

[
    {
        a: [ 1, 2, 3, 4, 5 ]
    },
    {
        a: [ 1, 2, 3, 4 ]
    },
    {
        a: []
    },
    {
        b: [ 5, 4, 3, 2, 1 ]
    },
    {
        b: [ 5, 4, 3, 2 ]
    },
    {
        b: [ 0 ]
    }
]

Produces the following output:

{
  a: 25,
  b: 29
}

Question Two:

Implement the following functions:

const addOneAndDouble = compose(addTwo, double, addOne)

So that when the following is called:

addOneAndDouble(12)

It produces the result of 28

Question Three:

Create 2 custom implementations of the filter method.

so that the following expression:

filter(x => x != 'a')(['a', 'b', 'c', 'd'])

produces the following result:

['b', 'c', 'd']