How to add HTML <input> accept file_extension Attribute

file_extension

Specify the file extension(s) (e.g: .gif, .jpg, .png, .doc) the user can pick from

index.html

Example: HTML

<form action="/action_page.php">
  <label for="img">Select image:</label>
  <input type="file" id="img" name="img" accept="file_extension">
  <input type="submit">
</form>

Output should be:

Type:	html
Category:	Web Tutorial
Sub Category:	HTML Tag
Uploaded by:	Admin