Finding the middle numbers in a array with javaScript

middle.js

//Find the median

var numArray = [2, 3, 6, 4, 8, 10, 11, 13, 1, 17, 25, 200, 210, 60];

numArray.sort(function(a, b) {return a-b;});
//log the contents of the array
console.log(numArray);
//log the array length
console.log("array length is: " + numArray.length);
//Split the array in half
var middle = Math.floor(numArray.length / 2);
//function to find the median
function findMedian () {
  if(numArray.length % 2 === 0) {
    console.log("middle nums when array length is even: " + numArray[middle - 1]  + " " + numArray[middle]);
  } else {
    console.log("middle num when array length is odd: " + numArray[middle]);
  }
}
//call function
findMedian();