[basic] working with for loop, implement fizzBuzz

lib/fizzBuzz.ts

@@ -0,0 +1,38 @@
+function fizzBuzz(num?: number) {
+  let _n = num || 100;
+
+  for (let i = 1; i < _n; i++) {
+    if (i % 5 === 0 && i % 3 === 0) {
+      console.log(i + " FizzBuzz");
+      continue;
+    }
+
+    if (i % 3 === 0 && i % 5 !== 0) {
+      console.log(i + " Fizz");
+      continue;
+    }
+
+    if (i % 3 !== 0 && i % 5 === 0) {
+      console.log(i + " Buzz");
+      continue;
+    }
+
+    console.log(i + "");
+  }
+}
+
+function fizzBuzzAuthorSolution() {
+
+  for (let n = 1; n < 100; n++) {
+    let output = "";
+
+    if (n % 3 === 0) output += "Fizz";
+    if (n % 5 === 0) output += "Buzz";
+
+    console.log(output || n);
+  }
+
+}
+
+// fizzBuzz();
+fizzBuzzAuthorSolution();