Logical statements without if in functions in JavaScript

Let's say we have a function with an if. Here it is:

javascriptfunction func(a, b) {
  if (a > b) {
    return true;
  } else {
    return false;
  }
}

As you already know from the previous lessons, the if constructs that return Boolean values can be rewritten in a shortened form. Let's do that:

javascriptfunction func(a, b) {
  return a > b;
}

Задание 1

Given the following function:

javascriptfunction func(a, b) {
  if (a == b) {
    return true;
  } else {
    return false;
  }
}

Rewrite its code in an shortened form according to the theory studied.

Задание 2

Given the following function:

javascriptfunction func(a, b) {
  if (a != b) {
    return true;
  } else {
    return false;
  }
}

Rewrite its code in an shortened form according to the theory studied.

Задание 3

Given the following function:

javascriptfunction func(a, b) {
  if (a + b >= 10) {
    return true;
  } else {
    return false;
  }
}

Rewrite its code in an shortened form according to the theory studied.

Задание 4

Given the following function:

javascriptfunction func(num) {
  if (num >= 0) {
    return true;
  } else {
    return false;
  }
}

Rewrite its code in an shortened form according to the theory studied.