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<!-- index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Transformer Sentiment Analyzer</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<header>
<h1>Transformer Sentiment Analyzer</h1>
</header>
<main class="container">
<form id="analyze-form">
<label for="inputText">Enter text to analyze:</label>
<textarea id="inputText" name="inputText" rows="4" placeholder="Type your text here..." required aria-required="true"></textarea>
<button type="submit" id="analyzeButton">Analyze Sentiment</button>
</form>
<section id="result" aria-live="polite"></section>
</main>
<script type="module" src="index.js"></script>
</body>
</html>
```
```javascript
// index.js
import { pipeline } from 'https://cdn.jsdelivr.net/npm/@xenova/transformers';
const analyzeForm = document.getElementById('analyze-form');
const inputText = document.getElementById('inputText');
const resultSection = document.getElementById('result');
const analyzeButton = document.getElementById('analyzeButton');
let sentimentPipeline;
async function initPipeline() {
analyzeButton.disabled = true;
analyzeButton.textContent = 'Loading model...';
sentimentPipeline = await pipeline('sentiment-analysis');
analyzeButton.textContent = 'Analyze Sentiment';
analyzeButton.disabled = false;
}
analyzeForm.addEventListener('submit', async (event) => {
event.preventDefault();
const text = inputText.value.trim();
if (!text) return;
analyzeButton.disabled = true;
analyzeButton.textContent = 'Analyzing...';
resultSection.textContent = '';
try {
const output = await sentimentPipeline(text);
const { label, score } = output[0];
resultSection.textContent = `Sentiment: ${label} (Confidence: ${(score * 100).toFixed(2)}%)`;
} catch (error) {
resultSection.textContent = 'Error analyzing sentiment.';
}
analyzeButton.textContent = 'Analyze Sentiment';
analyzeButton.disabled = false;
});
initPipeline(); |