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basics
Browser: parse from a file input
Accept any spreadsheet via <input type=file>.
Wire up a file input to TabularJS — the File object is passed straight through, no FileReader required.
html
<input type="file" id="file" />
<pre id="out"></pre>
<script type="module">
import tabularjs from 'https://cdn.jsdelivr.net/npm/tabularjs/dist/index.js';
document.getElementById('file').addEventListener('change', async (e) => {
const result = await tabularjs(e.target.files[0]);
document.getElementById('out').textContent = JSON.stringify(result, null, 2);
});
</script>Live Preview
Sample output rendered in Jspreadsheet — upload your own file to try it.
sample-output.xlsx
Drag a file anywhere on this card to replace the sample data