Transpose function as an array method

transpose.js

// one line transpose array
// iterate over th elements of the first arra to dtermine the number of rows in the new array
// then iterate over the arrays of the original parent array to determine the number of columns and add the new values to the created array(s)

Array.prototype.Transpose = function()  { 
    return this[0].map((elem1, indx1) => (this.map((elem2) => (elem2[indx1]))));
}