From c5d16e4e5a0997c8221c9837ee50300082eed72d Mon Sep 17 00:00:00 2001
From: Shivam Kumar Choudhary <choudharyshiv420@gmail.com>
Date: Fri, 17 Apr 2026 10:05:32 +0530
Subject: [PATCH] Fixed divide by zero issue in basic calculator

### Changes Made
- Added validation to prevent division by zero
- Improved calculation reliability
- Enhanced user experience

### Type
- Bug Fix
---
 projects/basic-calculator/index.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/projects/basic-calculator/index.js b/projects/basic-calculator/index.js
index 40fa6e8..283534a 100644
--- a/projects/basic-calculator/index.js
+++ b/projects/basic-calculator/index.js
@@ -20,7 +20,16 @@ function clearResult() {
 }
 
 function calculateResult() {
-  inputFieldEl.value = eval(inputFieldEl.value);
+
+  const expression = inputFieldEl.value;
+
+  // 🔥 VALIDATION: divide by zero detect
+  if (expression.includes("/0")) {
+    alert("Cannot divide by zero");
+    return;
+  }
+
+  inputFieldEl.value = eval(expression);
 }
 
 function appendValue(buttonValue) {