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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Question Answering - Hugging Face Transformers.js</title>
<script type="module">
// Import the library
import { pipeline } from 'https://cdn.jsdelivr.net/npm/@xenova/transformers@2.5.4';
// Make it available globally
window.pipeline = pipeline;
</script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.0/dist/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" href="css/styles.css">
</head>
<body>
<div class="container-main">
<!-- Page Header -->
<div class="header">
<div class="header-logo">
<img src="images/logo.png" alt="logo">
</div>
<div class="header-main-text">
<h1>Hugging Face Transformers.js</h1>
</div>
<div class="header-sub-text">
<h3>Free AI Models for JavaScript Web Development</h3>
</div>
</div>
<hr> <!-- Separator -->
<!-- Back to Home button -->
<div class="row mt-5">
<div class="col-md-12 text-center">
<a href="index.html" class="btn btn-outline-secondary"
style="color: #3c650b; border-color: #3c650b;">Back to Main Page</a>
</div>
</div>
<!-- Content -->
<div class="container mt-5">
<!-- Centered Titles -->
<div class="text-center">
<h2>Natural Language Processing</h2>
<h4>Question Answering</h4>
</div>
<!-- Actual Content of this page -->
<div id="question-answering-container" class="container mt-4">
<h5>Question Answering:</h5>
<div class="d-flex align-items-center mb-2">
<label for="questionText" class="mb-0 text-nowrap" style="margin-right: 15px;">Enter Question:</label>
<input type="text" class="form-control flex-grow-1" id="questionText" value="Who was Jim Henson?"
placeholder="Enter question text" style="margin-right: 15px; margin-left: 15px;">
</div>
<div class="d-flex align-items-center">
<label for="contextText" class="mb-0 text-nowrap" style="margin-right: 15px;">Enter Context:</label>
<input type="text" class="form-control flex-grow-1" id="contextText" value="Jim Henson was a nice puppet."
placeholder="Enter context text" style="margin-right: 15px; margin-left: 15px;">
<button id="answerButton" class="btn btn-primary ml-2"
onclick="answerQuestion()">Answer</button>
</div>
<div class="mt-4">
<h4>Output:</h4>
<pre id="outputArea"></pre>
</div>
</div>
<hr> <!-- Line Separator -->
<div id="question-answering-container2" class="container mt-4">
<h5>Question Answering (Top Results):</h5>
<div class="d-flex align-items-center mb-2">
<label for="questionTopText" class="mb-0 text-nowrap" style="margin-right: 15px;">Enter Question:</label>
<input type="text" class="form-control flex-grow-1" id="questionTopText" value="What is the temperature today?"
placeholder="Enter question text" style="margin-right: 15px; margin-left: 15px;">
</div>
<div class="d-flex align-items-center">
<label for="contextTopText" class="mb-0 text-nowrap" style="margin-right: 15px;">Enter Context:</label>
<input type="text" class="form-control flex-grow-1" id="contextTopText" value="It is very hot today."
placeholder="Enter context text" style="margin-right: 15px; margin-left: 15px;">
<button id="answerTopButton" class="btn btn-primary ml-2"
onclick="answerQuestionTop()">Answer</button>
</div>
<div class="mt-4">
<h4>Output:</h4>
<pre id="outputTopArea"></pre>
</div>
</div>
<!-- Back to Home button -->
<div class="row mt-5">
<div class="col-md-12 text-center">
<a href="index.html" class="btn btn-outline-secondary"
style="color: #3c650b; border-color: #3c650b;">Back to Main Page</a>
</div>
</div>
</div>
</div>
<script>
let answerer;
// Initialize the sentiment analysis model
async function initializeModel() {
answerer = await pipeline('question-answering', 'Xenova/distilbert-base-uncased-distilled-squad');
}
async function answerQuestion() {
const question = document.getElementById("questionText").value.trim();
const context = document.getElementById("contextText").value.trim();
const result = await answerer(question, context);
document.getElementById("outputArea").innerText = JSON.stringify(result, null, 2);
}
async function answerQuestionTop() {
const question = document.getElementById("questionTopText").value.trim();
const context = document.getElementById("contextTopText").value.trim();
const result = await answerer(question, context, { topk: 3 });
document.getElementById("outputTopArea").innerText = JSON.stringify(result, null, 2);
}
// Initialize the model after the DOM is completely loaded
window.addEventListener("DOMContentLoaded", initializeModel);
</script>
</body>
</html> |