Create fizzbuzz_if_else_and_switch_states.js

That the general fizzbuzz, but I tried to write with switch statement, and suddenly discovers for my self the difference between for-of-loop and for-in-loop, that gives values and indexes respectively.

Also I create a range generator for an custom length array.

fizzbuzz_if_else_and_switch_states.js

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+// Python-like print function
+const print = a => console.log(a);
+
+// return array filled from 1 to desired number
+const make_arr = (number) => {
+  let array = [];
+  array[number] = undefined;
+  array = Array.from(array.keys());
+  array.shift();
+  return array;
+};
+
+arr = make_arr(20);
+// output: [1, 2, 3... ...20]
+// print(arr); // to make sure of this
+
+// FOR OF takes values
+for (let i of arr) {
+  switch (true) {
+    case (i % 3 === 0 && i % 5 === 0):
+      print('fizzbuzz');
+      break;
+    case (i % 5 === 0):
+      print('buzz');
+      break;
+    case (i % 3 === 0):
+      print('fizz');
+      break;
+    default: print(i);
+  };
+}
+
+print('\n')
+
+// FOR-IN takes indexes
+for (let j in arr) {
+  if (j % 3 === 0 && j % 5 === 0) {
+    print('fizzbuzz');
+  } else if (j % 3 === 0) {
+    print('fizz');
+  } else if (j % 5 === 0) {
+    print('buzz');
+  } else {
+    print(j);
+  };
+}