diff --git a/week-10/stopwatch.html b/week-10/stopwatch.html
new file mode 100644
index 0000000..b439179
--- /dev/null
+++ b/week-10/stopwatch.html
@@ -0,0 +1,96 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Stopwatch</title>
+</head>
+<style>
+    h1 {
+        font-family: Arial, Helvetica, sans-serif;
+        display: flex;
+        justify-content: center;
+        margin-top: 10px;
+    }
+
+    #display {
+        font-family: Arial, Helvetica, sans-serif;
+        display: flex;
+        justify-content: center;
+        border: solid 1px black;
+        padding-top: 5px;
+        padding-bottom: 5px;
+    }
+
+    .button {
+        display: flex;
+        flex-direction: row;
+        justify-content: center;
+        gap: 10px;
+        margin-top: 10px;
+        margin-bottom: 10px;
+    }
+
+    .container {
+        border: solid 1px black;
+        max-width: fit-content;
+        padding: 10px;
+        display: flex;
+        flex-direction: column;
+        justify-content: center;
+    }
+
+    body {
+        display: flex;
+        justify-content: center;
+    }
+</style>
+<body>
+    <div class="container">
+        <h1>Stopwatch</h1>
+        <div id="display">0</div>
+        <div class="button">
+            <button id="startBtn">Start</button>
+            <button id="stopBtn">Stop</button>
+            <button id="resetBtn">Reset</button>
+        </div>
+    </div>
+<script>
+    let timerInterval;
+    let elapsedTime = 0;
+    const display = document.getElementById('display');
+    const startBtn = document.getElementById('startBtn');
+    const stopBtn = document.getElementById('stopBtn');
+    const resetBtn = document.getElementById('resetBtn');
+
+    function startTimer() {
+        timerInterval = setInterval(updateDisplay, 1000);
+        startBtn.disabled = true;
+        stopBtn.disabled = false;
+    }
+
+    function stopTimer() {
+        clearInterval(timerInterval);
+        startBtn.disabled = false;
+        stopBtn.disabled = true;
+    }
+
+    function resetTimer() {
+        clearInterval(timerInterval);
+        elapsedTime = 0;
+        display.textContent = elapsedTime;
+        startBtn.disabled = false;
+        stopBtn.disabled = true;
+    }
+
+    function updateDisplay() {
+        elapsedTime++;
+        display.textContent = elapsedTime;
+    }
+
+    startBtn.addEventListener('click', startTimer);
+    stopBtn.addEventListener('click', stopTimer);
+    resetBtn.addEventListener('click', resetTimer);
+</script>
+</body>
+</html>
\ No newline at end of file
