diff --git a/public/js/main.js b/public/js/main.js
index e69de29..ffd1891 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -0,0 +1,4 @@
+const number = prompt("Enter the number: ");
+
+const result = Math.sqrt(number);
+console.log(`The square root of ${number} is ${result}`);