Array.of()

console.log(Array.of("foo", 2, "bar", true));
// : Array ["foo", 2, "bar", true]

console.log(Array.of());
// : Array []

Array.of()
Array.of(element1)
Array.of(element1, element2)
Array.of(element1, element2, /* , */ elementN)

Array.of(7); // [7]
Array(7); // 7 

Array.of(1, 2, 3); // [1, 2, 3]
Array(1, 2, 3); // [1, 2, 3]

Array.of(1); // [1]
Array.of(1, 2, 3); // [1, 2, 3]
Array.of(undefined); // [undefined]

function NotArray(len) {
  console.log("NotArray called with length", len);
}

console.log(Array.of.call(NotArray, 1, 2, 3));
// NotArray called with length 3
// NotArray { '0': 1, '1': 2, '2': 3, length: 3 }

console.log(Array.of.call(Object)); // [Number: 0] { length: 0 }

console.log(Array.of.call({}, 1)); // [ 1 ]