diff --git a/2-js-basics/4-arrays-loops/array.js b/2-js-basics/4-arrays-loops/array.js
new file mode 100644
index 000000000..d78810887
--- /dev/null
+++ b/2-js-basics/4-arrays-loops/array.js
@@ -0,0 +1,12 @@
+function NumPattern() {
+
+let Pattern = [];
+    for (i = 1; i < 20; i++){
+        if (i % 3 === 0 ){
+            Pattern.push(i);
+        }
+}
+return Pattern;
+}
+
+console.log(NumPattern());
\ No newline at end of file