diff --git a/PARTICIPANTS.md b/PARTICIPANTS.md
index 5a2e2f4..2ea2a5b 100644
--- a/PARTICIPANTS.md
+++ b/PARTICIPANTS.md
@@ -142,3 +142,13 @@
 - 🔭 Connect with me: **[Piyushjar](https://github.com/piyushjar))**
 
 ---
+### Connect with me:
+
+  <img align="right" src="https://avatars3.githubusercontent.com/19sajib?size=100" width="100px;" alt=""/>
+
+- 👨‍💻 My name is **Sajib**
+- 🌱 I’m a MERN Stack Developer.
+- 📫 Reach me: **contact2sajib@gmail.com**
+- 🔭 Connect with me: **[19sajib](https://github.com/19sajib)**
+
+---
diff --git a/javascript/12-Integer-to-Roman.js b/javascript/12-Integer-to-Roman.js
new file mode 100644
index 0000000..3c326f3
--- /dev/null
+++ b/javascript/12-Integer-to-Roman.js
@@ -0,0 +1,37 @@
+/**
+ * @param {number} num
+ * @return {string}
+ */
+ var intToRoman = function(num) {
+  const romanValue = {
+    I: 1,
+    IV: 4,
+    V: 5,
+    IX: 9,
+    X: 10,
+    XL: 40,
+    L: 50,
+    XC: 90,
+    C: 100,
+    CD: 400,
+    D: 500,
+    CM: 900,
+    M: 1000,
+  };
+  let result = '';
+  
+  for (key in romanValue) {  
+    const repeatCount = Math.floor(num / romanValue[key]);
+    
+    if (repeatCount !== 0) {
+      result += key.repeat(repeatCount);
+    }
+    
+    num %= romanValue[key];
+    
+    if (num === 0) return result;
+  }
+  
+  return result;
+ 
+};
\ No newline at end of file