Get an error when I call object's properties in Array

Question

In typescript code I have an array with objects in it. When I call \"getUsers(users)\" function, it returns the result as I need, but in console I get this error \"Uncaught Type

Answer 1

it should be less than length not less than equal to

for (var i = 0; i < users.length; i++) {
   console.log(users[i].firstName + " is " + users[i].age + " years old!");
}