day13.js

// program to generate range of numbers and characters
function* iterate(a, b) {
  for (let i = a; i <= b; i += 1) {
    yield i;
  }
}

function range(a, b) {
  if (typeof a === "string") {
    let result = [...iterate(a.charCodeAt(), b.charCodeAt())].map((n) =>
      String.fromCharCode(n)
    );
    console.log(result);
  } else {
    let result = [...iterate(a, b)];
    console.log(result);
  }
}

range(1, 5);
range("A", "G");

// program to perform function overloading

function sum() {
  // if no argument
  if (arguments.length == 0) {
    console.log("You have not passed any argument");
  }

  // if only one argument
  else if (arguments.length == 1) {
    console.log("Pass at least two arguments");
  }

  // multiple arguments
  else {
    let result = 0;
    let length = arguments.length;

    for (i = 0; i < length; i++) {
      result = result + arguments[i];
    }
    console.log(result);
  }
}

sum();
sum(5);
sum(5, 9);
sum(1, 2, 3, 4, 5, 6, 7, 8, 9);