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Update templates/index.html
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templates/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8"
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<meta name="viewport" content="width=device-width, initial-scale=1.0"
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<title>Gold Price Prediction System</title>
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<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet"
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<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet"
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<style>
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</div>
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<div class="
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<td
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<td
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function formatNumber(num) {
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return new Intl.NumberFormat('id-ID').format(num);
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}
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</script>
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</body>
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</html>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Gold Price Prediction System</title>
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<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" />
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<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet" />
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<style>
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.gradient-bg {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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}
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.gold-accent {
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color: #ffd700;
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}
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.prediction-card {
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border: none;
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box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
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transition: transform 0.3s ease;
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}
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.prediction-card:hover {
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transform: translateY(-5px);
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}
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.price-up {
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color: #28a745;
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}
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.price-down {
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color: #dc3545;
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}
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.loading-spinner {
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display: none;
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}
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.navbar-brand {
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font-weight: bold;
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}
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.hero-section {
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background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
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url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 300"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%23FFD700;stop-opacity:0.3" /><stop offset="100%" style="stop-color:%23FFA500;stop-opacity:0.1" /></linearGradient></defs><rect width="1000" height="300" fill="url(%23grad)"/></svg>');
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color: white;
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padding: 100px 0;
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}
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</style>
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</head>
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<body>
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<!-- Navigation -->
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<nav class="navbar navbar-expand-lg navbar-dark gradient-bg">
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<div class="container">
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<a class="navbar-brand" href="#">
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<i class="fas fa-coins gold-accent"></i>
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Gold Price Predictor
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</a>
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<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
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<span class="navbar-toggler-icon"></span>
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</button>
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<div class="collapse navbar-collapse" id="navbarNav">
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<ul class="navbar-nav ms-auto">
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<li class="nav-item">
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<a class="nav-link active" href="/">Home</a>
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</li>
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<li class="nav-item">
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<a class="nav-link" href="/data-analysis">Data Analysis</a>
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</li>
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</ul>
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</div>
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</div>
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</nav>
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<!-- Hero Section -->
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<section class="hero-section text-center">
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<div class="container">
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<h1 class="display-4 mb-4">
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<i class="fas fa-chart-line gold-accent"></i>
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Prediksi Harga Emas 7 Hari Kedepan
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</h1>
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<p class="lead mb-5">Sistem prediksi harga emas menggunakan Machine Learning dengan Linear Regression</p>
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<button class="btn btn-warning btn-lg" onclick="predictGoldPrice()"><i class="fas fa-magic"></i> Prediksi Sekarang</button>
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</div>
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</section>
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<!-- Main Content -->
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<div class="container my-5">
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<!-- Loading Spinner -->
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<div class="text-center loading-spinner" id="loadingSpinner">
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<div class="spinner-border text-warning" role="status" style="width: 3rem; height: 3rem">
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<span class="visually-hidden">Loading...</span>
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</div>
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<p class="mt-3">Menganalisis data dan membuat prediksi...</p>
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</div>
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<!-- Results Section -->
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<div id="resultsSection" style="display: none">
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<!-- Current Prices -->
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<div class="row mb-4">
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<div class="col-md-6">
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<div class="card prediction-card text-center">
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<div class="card-body">
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<h5 class="card-title"><i class="fas fa-clock"></i> Harga Saat Ini</h5>
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<div id="currentPrices"></div>
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</div>
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</div>
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</div>
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<div class="col-md-6">
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<div class="card prediction-card text-center">
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<div class="card-body">
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<h5 class="card-title"><i class="fas fa-trending-up"></i> Perkiraan Perubahan Total</h5>
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<div id="totalChanges"></div>
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</div>
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</div>
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</div>
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</div> <!-- Prediction Chart -->
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<div class="card prediction-card mb-4">
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<div class="card-header">
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<h5 class="mb-0"><i class="fas fa-chart-area"></i> Grafik Prediksi Harga Emas</h5>
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</div>
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<div class="card-body">
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<div id="predictionChart"></div>
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</div>
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</div>
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<!-- Predictions Table -->
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<div class="card prediction-card">
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<div class="card-header">
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<h5 class="mb-0"><i class="fas fa-table"></i> Prediksi Harga 7 Hari Kedepan</h5>
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</div>
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<div class="card-body">
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<div class="table-responsive">
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<table class="table table-striped table-hover">
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<thead class="table-dark">
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<tr>
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<th>Tanggal</th>
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<th>Harga Tutup (IDR)</th>
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<th>Perubahan Tutup (%)</th>
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<th>Harga Buka (IDR)</th>
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<th>Perubahan Buka (%)</th>
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</tr>
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</thead>
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<tbody id="predictionsTable"></tbody>
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</table>
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</div>
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</div>
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</div>
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</div>
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<!-- Error Section -->
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<div id="errorSection" style="display: none">
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<div class="alert alert-danger text-center" role="alert">
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<i class="fas fa-exclamation-triangle"></i>
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<span id="errorMessage"></span>
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</div>
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</div>
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</div>
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<!-- Footer -->
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<footer class="gradient-bg text-center py-4 mt-5">
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<div class="container">
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<p class="mb-0">© 2025 Kelompok 4 - Sistem Prediksi Harga Emas. Powered by Machine Learning.</p>
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</div>
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</footer>
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<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
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<script>
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function predictGoldPrice() {
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// Show loading spinner
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document.getElementById("loadingSpinner").style.display = "block";
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document.getElementById("resultsSection").style.display = "none";
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document.getElementById("errorSection").style.display = "none";
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// Make API call
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fetch("/predict", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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})
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.then((response) => response.json())
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.then((data) => {
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document.getElementById("loadingSpinner").style.display = "none";
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if (data.success) {
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displayResults(data);
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} else {
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displayError(data.error || "Unknown error occurred");
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}
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})
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.catch((error) => {
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document.getElementById("loadingSpinner").style.display = "none";
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displayError("Network error: " + error.message);
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});
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}
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function displayResults(data) {
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// Display current prices
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const currentPricesHtml = `
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<p class="mb-1"><strong>Harga Tutup:</strong> <span class="gold-accent">IDR ${data.current_prices.close.toLocaleString()}</span></p>
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<p class="mb-0"><strong>Harga Buka:</strong> <span class="gold-accent">IDR ${data.current_prices.open.toLocaleString()}</span></p>
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`;
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document.getElementById("currentPrices").innerHTML = currentPricesHtml;
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// Display total changes
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const totalChangesHtml = `
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<p class="mb-1"><strong>Tutup:</strong>
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<span class="${data.total_changes.close >= 0 ? "price-up" : "price-down"}">
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${data.total_changes.close >= 0 ? "+" : ""}${data.total_changes.close}%
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<i class="fas fa-arrow-${data.total_changes.close >= 0 ? "up" : "down"}"></i>
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</span>
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</p>
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<p class="mb-0"><strong>Buka:</strong>
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<span class="${data.total_changes.open >= 0 ? "price-up" : "price-down"}">
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${data.total_changes.open >= 0 ? "+" : ""}${data.total_changes.open}%
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<i class="fas fa-arrow-${data.total_changes.open >= 0 ? "up" : "down"}"></i>
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</span>
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</p>
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`;
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document.getElementById("totalChanges").innerHTML = totalChangesHtml; // Display chart
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document.getElementById("predictionChart").innerHTML = data.chart_html;
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// Display predictions table
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let tableHtml = "";
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data.predictions.forEach((prediction) => {
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tableHtml += `
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+
<tr>
|
| 223 |
+
<td><strong>${prediction.date}</strong></td>
|
| 224 |
+
<td>IDR ${prediction.close_price.toLocaleString()}</td>
|
| 225 |
+
<td class="${prediction.close_change >= 0 ? "price-up" : "price-down"}">
|
| 226 |
+
${prediction.close_change >= 0 ? "+" : ""}${prediction.close_change}%
|
| 227 |
+
<i class="fas fa-arrow-${prediction.close_change >= 0 ? "up" : "down"}"></i>
|
| 228 |
+
</td>
|
| 229 |
+
<td>IDR ${prediction.open_price.toLocaleString()}</td>
|
| 230 |
+
<td class="${prediction.open_change >= 0 ? "price-up" : "price-down"}">
|
| 231 |
+
${prediction.open_change >= 0 ? "+" : ""}${prediction.open_change}%
|
| 232 |
+
<i class="fas fa-arrow-${prediction.open_change >= 0 ? "up" : "down"}"></i>
|
| 233 |
+
</td>
|
| 234 |
+
</tr>
|
| 235 |
+
`;
|
| 236 |
+
});
|
| 237 |
+
document.getElementById("predictionsTable").innerHTML = tableHtml;
|
| 238 |
+
|
| 239 |
+
document.getElementById("resultsSection").style.display = "block";
|
| 240 |
+
}
|
| 241 |
+
|
| 242 |
+
function displayError(errorMessage) {
|
| 243 |
+
document.getElementById("errorMessage").textContent = errorMessage;
|
| 244 |
+
document.getElementById("errorSection").style.display = "block";
|
| 245 |
+
}
|
| 246 |
+
|
| 247 |
+
function formatNumber(num) {
|
| 248 |
+
return new Intl.NumberFormat("id-ID").format(num);
|
| 249 |
+
}
|
| 250 |
+
</script>
|
| 251 |
+
</body>
|
| 252 |
+
</html>
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