<!DOCTYPE html>
<html>
<body>
Select a file to upload:
<input type="file" id="myFile" size="50" accept="image/*">
<p>Click the button below to display the value of the accept attribute of the file upload button.</p>
<button onclick="myFunction()">Display accepted file types</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myFile").accept;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>