diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 75d501f..5f873f6 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -83,3 +83,5 @@
 
 * [Bhashitha Dhananjaya](https://github.com/glbdhananjaya)
 
+* [Mateusz urban](https://github.com/MateuszUrb)
+
diff --git a/Javascript/FizzBuzz_MateuzUrb.js b/Javascript/FizzBuzz_MateuzUrb.js
new file mode 100644
index 0000000..2f1e1b3
--- /dev/null
+++ b/Javascript/FizzBuzz_MateuzUrb.js
@@ -0,0 +1,11 @@
+function fizzBuzz (num) {
+    for (let i = 1; i <= num; i++) {
+        let output = '';
+            if (i % 3 === 0) {output += "Fizz"}
+            if (i % 5 === 0) {output += "Buzz"}
+            if (output == "") {output = i}
+                console.log(output)
+        } 
+}
+
+fizzBuzz(100)
\ No newline at end of file