diff --git a/Day-1/day1_script.js b/Day-1/day1_script.js
new file mode 100644
index 0000000..a3a2a71
--- /dev/null
+++ b/Day-1/day1_script.js
@@ -0,0 +1,136 @@
+var factorial = function() {
+    var number = document.getElementById("factorial").value;
+    var result = 1;
+    if (number == 0) {
+        result = 1;
+    } else if (number > 0) {
+        for (var index = 1; index <= number; index++) {
+            result = result * index;
+        }
+    } else {
+        result = "Give proper input";
+    }
+
+    document.getElementById("getfactorial").innerHTML = result;
+};
+
+var sumNatural = function() {
+    var inputNum = document.getElementById("sumNautral").value;
+    var result = inputNum * (inputNum / 2 + 1 / 2);
+    document.getElementById("sumNaturalOp").innerHTML = result;
+};
+
+var multiplr = function() {
+    var n = document.getElementById("multipleNautral").value;
+    var sum = 0;
+    for (var index = 1; index < n; index++) {
+        if (index % 3 == 0 || index % 5 == 0) {
+            sum = sum + index;
+        }
+    }
+    document.getElementById("multipleNautralop").innerHTML = sum;
+};
+
+var powCal = function() {
+    var Inputvalue = document.getElementById("power2").value;
+    var res = 1;
+    if (Inputvalue < 1)
+        return 0;
+    for (var i = 0; i < Inputvalue; i++) {
+        var curr = 1 << i;
+        if (curr > Inputvalue)
+            break;
+        res = curr;
+    }
+    // return res ---> to get value
+    document.getElementById("power2op").innerHTML = (i - 1);
+};
+
+var multiplr_2 = function() {
+    var lastIndex = document.getElementById("Multipler").value;
+    var result = [];
+    for (var index = 1; index < lastIndex; index++) {
+        if (index % 3 == 0) {
+            result.push("Fizz");
+        } else if (index % 5 == 0) {
+            result.push("Buzz");
+        } else {
+            result.push(index);
+        }
+    }
+    document.getElementById("Multipleop").innerHTML = result;
+};
+
+var getPairsCount = function() {
+    var arr = [1, 4, 3, 5, 4, 6, 7, 8, 3];
+    var sum = document.getElementById("sumTofind").value;
+    var map = {};
+    var result = [];
+    var i, temp;
+    for (i = 0; i < arr.length; i++) {
+        temp = sum - arr[i];
+        if (temp >= 0 && map[temp] == 1)
+            result.push("(" + arr[i] + "," + temp + ")");
+        map[arr[i]] = 1;
+    }
+    document.getElementById("sumTofindop").innerHTML = result;
+};
+
+var getRepeatNumb = function() {
+    var arr = [1, 2, 3, 5, 8, 4, 7, 9, 1, 4, 12, 5, 6, 5, 2, 1, 0, 8, 1];
+    var result = [];
+    var map = {};
+    for (var i = 0; i < arr.length; i++) {
+        if (arr[i] in map) {
+            map[arr[i]] = (map[arr[i]]) + 1;
+        } else {
+            map[arr[i]] = 1;
+        }
+    }
+    for (var key in map) {
+        if (key in map && (map[key]) > 1) {
+            result.push(key);
+        }
+    }
+    document.getElementById("repeatNumberop").innerHTML = result;
+};
+
+var getSum = function() {
+    var inputObj = {
+        "Rick": 85,
+        "Amit": 42,
+        "George": 53,
+        "Tanya": 60,
+        "Linda": 35
+    };
+    var sum = 0;
+    for (var key in inputObj) {
+        sum += inputObj[key];
+    }
+    document.getElementById("sumObjop").innerHTML = sum;
+};
+
+var checkpalindrome = function() {
+    var str = document.getElementById("Inputstr").value;
+    str = str.toLowerCase();
+    var revStr = str.split('').reverse().join('');
+    document.getElementById("outputStr").innerHTML = (str == revStr);
+};
+
+var checkpalindromeI = function(str) {
+    str = str.toLowerCase();
+    var revStr = str.split('').reverse().join('');
+    return (str == revStr);
+};
+
+var checkArypalindrome = function() {
+    var result = [];
+    var arr = ["Malayalam", "tree", "boat", "civic", "melt", "level"];
+    for (var index = 0; index < arr.length; index++) {
+        if (checkpalindromeI(arr[index])) {
+            result.push(arr[index]);
+        }
+    }
+    document.getElementById("outputAryStr").innerHTML = result;
+
+};
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diff --git a/Day-1/file.html b/Day-1/file.html
new file mode 100644
index 0000000..8f0b42d
--- /dev/null
+++ b/Day-1/file.html
@@ -0,0 +1,103 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <title></title>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+</head>
+
+<body>
+    <div>
+        <!-- Program 1-->
+        <h2>Program 1#</h2>
+        <p>Input :
+            <input type="text" id="factorial" />
+            <button onclick="factorial()"> Get Factorial</button></p>
+        <p>Output :
+            <p id="getfactorial"></p>
+        </p>
+    </div>
+    <!-- Program 2-->
+    <h2>Program 2#</h2>
+    <p>Input :
+        <input type="text" id="sumNautral" />
+        <button onclick="sumNatural()">Sum</button></p>
+    <p>Output :
+        <p id="sumNaturalOp"></p>
+    </p>
+    </div>
+    <!-- Program 3-->
+    <h2>Program 3#</h2>
+    <p>Input :
+        <input type="text" id="multipleNautral" />
+        <button onclick="multiplr()">Sum of multiplr of 3 & 5</button></p>
+    <p>Output :
+        <p id="multipleNautralop"></p>
+    </p>
+    </div>
+    <!-- Program 4#-->
+    <h2>Program 4#</h2>
+    <p>Input :
+        <input type="text" id="power2" />
+        <button onclick="powCal()">Calulate the power of 2</button></p>
+    <p>Output :
+        <p id="power2op"></p>
+    </p>
+    </div>
+    <!-- Program 5#-->
+    <h2>Program 5#</h2>
+    <p>Input :
+        <input type="text" id="Multipler" />
+        <button onclick="multiplr_2()">Sum</button></p>
+    <p>Output :
+        <p id="Multipleop"></p>
+    </p>
+    </div>
+    <!-- Program 6#-->
+    <h2>Program 6#</h2>
+    <p>Array used : [1, 4, 3, 5, 4, 6, 7, 8, 3]</p>
+    <p>Input :
+        <input type="text" id="sumTofind" />
+        <button onclick="getPairsCount()">Sum</button></p>
+    <p>Output :
+        <p id="sumTofindop"></p>
+    </p>
+    </div>
+    <!-- Program 7#-->
+    <h2>Program 7#</h2>
+    <p>Input :
+        <p>Array used : [1, 2, 3, 5, 8, 4, 7, 9, 1, 4, 12, 5, 6, 5, 2, 1, 0, 8, 1]</p>
+        <button onclick="getRepeatNumb()">Check</button></p>
+    <p>Output :
+        <p id="repeatNumberop"></p>
+    </p>
+    </div>
+    <!-- Program 8#-->
+    <h2>Program 8#</h2>
+    <p>Input :
+        <p>{ "Rick": 85, "Amit": 42, "George": 53, "Tanya": 60, "Linda": 35 }</p>
+        <button onclick="getSum()">Check</button></p>
+    <p>Output :
+        <p id="sumObjop"></p>
+    </p>
+    </div>
+    <!-- Program 9#-->
+    <h2>Program 9#</h2>
+    <p>Input :
+        <input type="text" id="Inputstr" />
+        <button onclick="checkpalindrome()">Check</button></p>
+    <p>Output :
+        <p id="outputStr"></p>
+    </p>
+    </div>
+    <h2>Program 10#</h2>
+    <p>Input : ["Malayalam", "tree", "boat", "civic", "melt", "level"]
+        <button onclick="checkArypalindrome()">Check</button></p>
+    <p>Output :
+        <p id="outputAryStr"></p>
+    </p>
+    </div>
+</body>
+
+</html>
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