javascript else if condition always returning true [on hold]

I have following values and the condition.

While checking condition in else if statement it always returns true

var val1 = 8;
var val2 = 10;

if (val1 == "" || val1 == null) {
  error = true;
} else if (val1 > val2) {
  error = true;
} else {
  error = false;
}

console.log(error);

It's returning true, while it must return false