HTML Code

<!DOCTYPE html>
<html lang=en>
<head>
  <meta charset=UTF-8>
  <meta name=viewport content="width=device-width,initial-scale=1">
  <title>Dynamic accept Example</title>
  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 1rem;font-size:1.25rem;color:#0f172a}label{display:block;margin-bottom:.35rem;font-size:.875rem;font-weight:500;color:#475569}input[type=file]{font:inherit;max-width:420px}.hint{margin-top:1rem;font-size:.8125rem;color:#64748b;max-width:420px}</style>
</head>
<body>
  <h1>Dynamic accept with JavaScript</h1>
  <label for=dynamicFileInput>Upload a document:</label>
  <input type=file id=dynamicFileInput>
  <p class=hint>JavaScript sets accept to .pdf and .docx when the page loads.</p>
  <script>document.getElementById("dynamicFileInput").accept=".pdf, .docx"</script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

HTML accept Attribute — Dynamic JavaScript