diff --git a/insert-value-into-an-array/index.js b/insert-value-into-an-array/index.js
new file mode 100644
index 0000000..c408977
--- /dev/null
+++ b/insert-value-into-an-array/index.js
@@ -0,0 +1,9 @@
+// https://www.codewars.com/kata/insert-value-into-an-array/javascript
+
+Object.defineProperty(Array.prototype, 'insert', {
+  enumerable: false,
+  value: function(idx, val) {
+    this.splice(idx, 0, val);
+    return this;
+  }
+});