This was a fun quick app that does an analysis on reading and grade levels and takes some input and then outputs the score and some custom grade level information.
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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>Readability Analyzer</title>
<style>
body {
font-family: 'Arial', sans-serif;
background-color: #f4f4f9;
color: #333;
margin: 0;
padding: 0;
}
.container {
max-width: 800px;
margin: 50px auto;
background-color: white;
padding: 20px;
box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
border-radius: 10px;
}
h1 {
text-align: center;
color: #007bff;
}
textarea {
width: 100%;
height: 200px;
padding: 10px;
border-radius: 5px;
border: 1px solid #ddd;
margin-bottom: 20px;
font-size: 16px;
}
button {
width: 48%;
padding: 15px;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
font-size: 18px;
cursor: pointer;
margin-right: 2%;
}
button.clear {
background-color: #dc3545;
}
button:hover {
background-color: #0056b3;
}
button.clear:hover {
background-color: #c82333;
}
.result {
margin-top: 20px;
padding: 20px;
background-color: #e9ecef;
border-radius: 5px;
}
.result p {
font-size: 18px;
margin: 10px 0;
}
footer {
text-align: center;
margin-top: 50px;
font-size: 14px;
color: #666;
}
@media (max-width: 600px) {
.container {
margin: 20px;
padding: 15px;
}
button {
padding: 10px;
font-size: 16px;
}
textarea {
height: 150px;
font-size: 14px;
}
}
</style>
</head>
<body>
<div class="container">
<h1>Readability Analyzer</h1>
<textarea id="inputText" placeholder="Paste your text here..."></textarea>
<div>
<button onclick="calculateReadability()">Analyze Readability</button>
<button class="clear" onclick="clearText()">Clear</button>
</div>
<div id="result" class="result" style="display: none;">
<p><strong>Scores:</strong></p>
<p id="fleschScore"></p>
<p id="fogScore"></p>
<p id="daleChallScore"></p>
</div>
</div>
<footer>
Readability Analyzer
</footer>
<script>
function countSyllables(word) {
word = word.toLowerCase();
if(word.length <= 3) return 1;
word = word.replace(/(?:[^laeiouy]es|ed|[^laeiouy]e)$/, '');
word = word.replace(/^y/, '');
const syllableMatch = word.match(/[aeiouy]{1,2}/g);
return syllableMatch ? syllableMatch.length : 1;
}
function calculateReadability() {
const text = document.getElementById('inputText').value;
const sentences = text.split(/[.!?]+/).filter(Boolean).length;
const words = text.split(/\s+/).filter(Boolean);
const wordCount = words.length;
const syllableCount = words.reduce((acc, word) => acc + countSyllables(word), 0);
const difficultWordCount = words.filter(word => countSyllables(word) > 2).length;
// Flesch-Kincaid Grade Level
const fleschKincaid = 0.39 * (wordCount / sentences) + 11.8 * (syllableCount / wordCount) - 15.59;
let fleschDescription = getGradeDescription(fleschKincaid);
// Gunning Fog Index
const gunningFog = 0.4 * ((wordCount / sentences) + 100 * (difficultWordCount / wordCount));
let fogDescription = getGradeDescription(gunningFog);
// Dale-Chall Readability
const difficultWordPercentage = (difficultWordCount / wordCount) * 100;
const daleChall = 0.1579 * difficultWordPercentage + 0.0496 * (wordCount / sentences) + (difficultWordPercentage > 5 ? 3.6365 : 0);
let daleChallDescription = getGradeDescription(daleChall);
// Display individual results
document.getElementById('fleschScore').textContent = `Flesch-Kincaid: ${fleschKincaid.toFixed(2)} (${fleschDescription})`;
document.getElementById('fogScore').textContent = `Gunning Fog: ${gunningFog.toFixed(2)} (${fogDescription})`;
document.getElementById('daleChallScore').textContent = `Dale-Chall: ${daleChall.toFixed(2)} (${daleChallDescription})`;
document.getElementById('result').style.display = 'block';
}
function getGradeDescription(score) {
if (score <= 4) {
return "K - 4th Grade: Very easy to read, suitable for young readers.";
} else if (score <= 7) {
return "5th - 7th Grade: Easy to read, suitable for children.";
} else if (score <= 10) {
return "8th - 10th Grade: Moderately challenging, suitable for teens.";
} else {
return "11th Grade and Above: Challenging, suitable for advanced readers or adults.";
}
}
function clearText() {
// Clear the input text area and hide the results
document.getElementById('inputText').value = '';
document.getElementById('result').style.display = 'none';
}
</script>
</body>
</html>
