1let previous_value;
2
3document.getElementById("input").addEventListener("change", function() {
4  let value = document.getElementById("input").value;
5  if (previous_value > value) {
6    console.log("Decreased");
7  } else if (previous_value < value) {
8    console.log("Increased");
9  }
10  previous_value = value;
11});