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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Timer App</title>
<style>
body {
font-family: Arial, sans-serif;
text-align: center;
margin-top: 50px;
}
.container {
display: inline-block;
text-align: left;
}
#timer_output {
margin-top: 20px;
font-size: 20px;
font-weight: bold;
}
</style>
</head>
<body>
<div class="container">
<h1>Timer App</h1>
<label for="seconds">Set Timer (seconds):</label>
<input type="number" id="seconds" min="1" max="600" step="1" value="10">
<button onclick="startTimer()">Start Timer</button>
<div id="timer_output"></div>
</div>
<script>
function startTimer() {
var seconds = document.getElementById("seconds").value;
fetch("/start_timer", {
method: "POST",
body: new URLSearchParams({
seconds: seconds
}),
headers: {
"Content-Type": "application/x-www-form-urlencoded"
}
})
.then(response => response.json())
.then(data => {
console.log(data.message);
});
updateTimerOutput();
}
function updateTimerOutput() {
var timerOutput = document.getElementById("timer_output");
var interval = setInterval(function() {
fetch("/get_timer")
.then(response => response.json())
.then(data => {
if (data.message) {
timerOutput.innerText = data.message;
}
if (data.message === "Time's up!") {
clearInterval(interval);
}
});
}, 1000); // Poll every second to get the timer update
}
</script>
</body>
</html>
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