diff --git a/javascript/Day29/index.js b/javascript/Day29/index.js
index 011d1b5..b9fa553 100644
--- a/javascript/Day29/index.js
+++ b/javascript/Day29/index.js
@@ -76,7 +76,7 @@ let min_array = [13, 40, 10, 5, 1, -1, -3, 12, 24];
 
 let min = Infinity;
 
-for (let i = 0; i < min_array.length - 1; i++) {
+for (let i = 0; i < min_array.length; i++) {
   const currentNumber = min_array[i];
 
   if (currentNumber <= min) {
diff --git a/javascript/Day30/index.js b/javascript/Day30/index.js
new file mode 100644
index 0000000..adbc577
--- /dev/null
+++ b/javascript/Day30/index.js
@@ -0,0 +1,85 @@
+let i = 0;
+
+while (i < 3) {
+  //0<3
+  console.log(i);
+  i++;
+}
+console.log("End");
+
+do {
+  console.log(i);
+  i++;
+} while (i < 3); //1<3
+console.log("End");
+
+function my_function() {
+  console.log("Hello I am Function");
+}
+
+my_function();
+function my_function(name, age) {
+  console.log("Hello I am" + " " + name + ", " + age);
+}
+
+my_function("Utkarsh", 24);
+
+function printTable(value) {
+  let count = 1;
+
+  while (count <= 10) {
+    let answer = count * value;
+    console.log(value + " * " + count + " = " + answer);
+    count++;
+  }
+}
+
+let x = 2;
+
+printTable(x);
+printTable(y);
+printTable(4);
+printTable(5);
+printTable(20);
+printTable(12);
+
+function fun(x, y, z = 10) {
+  console.log(x, y, z);
+}
+
+fun(2, 3);
+
+fun(2, 3, 4);
+
+function getSum(x, y, z) {
+  let sum = x + y + z;
+  return sum;
+}
+
+const result = getSum(2, 3, 4);
+
+console.log(result);
+
+function xyz() {
+  console.log("Utkarsh");
+}
+
+function abc(x) {
+  console.log(x);
+  xyz();
+}
+
+abc(2);
+
+let z = 2;
+
+function abc(my_function) {
+  const name = my_function();
+  console.log(name);
+}
+
+function xyz() {
+  return "Utkarsh";
+}
+
+abc(xyz);