Array.map()

const xdata = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

const ydata = xdata.map((item) => (item ** 2));

console.log(ydata);

[
   1,  4,  9, 16,  25,
  36, 49, 64, 81, 100
]