Tell us what’s happening:
from the examples in the last task i answered the question however i dont understand one bit of it
x.sort((a,b) => a - b) - what is thr - actually symbolising here? a minus b or just a comes before b?
**Your code so far**
function nonMutatingSort(arr) {
// Add your code below this line
let x = globalArray.concat(array)
x.sort((a,b) => a - b)
return x
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.
Link to the challenge:
https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array