1:  const obj1 = { valueOf() { return 5; } };

   2:  console.log(obj1 < 10);  // Output: true (valueOf() returns 5)

   3:  

   4:  const obj2 = { toString() { return "10"; } };

   5:  console.log(obj2 > 5);  // Output: true ("10" coerced to 10, and valueOf() will be executed first, but returns object, so toString() is called.)

   6:  

   7:  

   8:  const obj3 = {

   9:      valueOf() { return {}; }, // returns an object, not a primitive

  10:      toString() { return "20"; }

  11:  };

  12:  console.log(obj3 > 10); // Output: true (toString() is called)