How to restrict my input type=“file” to accept only png image files not working in Firefox

Question

I am using input type=\"file\", Now my requirement is that I only want to select png images, that is when I select browse a \"png\" filter should be applied.

I have

Answer 1

The browser support information on that page of w3schools is not correct.

If you check this page, you see that the accept attribute it's not implemented in Firefox:

https://developer.mozilla.org/en/HTML/Element/Input

Update:
The accept attribute is now implemented in Firefox, but users who don't have a recent version still won't have the support.