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demo_csv0.html
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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>CSV Textarea</title>
<script type="module" src="csvtextarea.js"></script>
<script>
document.addEventListener('DOMContentLoaded', () => {
const csvTextarea = document.querySelector('csv-textarea');
// Listen for change events on the csv-textarea
csvTextarea.addEventListener('change', () => {
console.log('CSV content changed:', csvTextarea.innerHTML);
});
});
</script>
</head>
<body>
<p>This is a minimal test of the csv-textarea component. The column headings should be taken from the first row of CSV content.</p>
<form id="csvDataTest">
<csv-textarea id="csvData" name="csvData" column-headings="Name,Age,City" debug="true">
<textarea name="csvData">
John,30,New York
Jane,25,Los Angeles
</textarea>
</csv-textarea>
<p></p>
<button type="submit">Submit</button>
</form>
<script>
// Example usage
document.getElementById('csvDataTest').addEventListener('submit', async function(event) {
event.preventDefault();
const csvTextarea = document.getElementById('csvData');
const src = csvTextarea.toCSV();
const data = new FormData(event.target);
data.delete('csvData');
data.set('csvData', src);
for (const pair of data.entries()) {
console.log(pair[0], pair[1]);
}
/*
const response = await fetch(data.action, {
method: data.method,
body: data.body
})
if (! response.ok) {
console.log(`failed with ${response.status}`);
}
*/
});
// Add an event listener for the custom 'cell-changed' event
document.querySelector('csv-textarea').addEventListener('cell-changed', (event) => {
console.log('Cell changed:', event.detail);
});
</script>
</body>
</html>