php - How can I submit a form right after a user chooses a picture? -

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i have form , i'm trying figure out how can submit form after user uploads picture , verified picture. trying use javascript verify image being uploaded.

try this:

<script>     function submitformafterimagecheck()     {         if(/(\.jpeg|\.jpg|\.gif|\.png|\.tiff)$/.test(document.getelementbyid("myfile").value))         {             document.getelementbyid("myform").submit();         }         else         {             alert("you can upload image");         }     } </script>

and html:

<input id="myfile" type="file" onchange="submitformafterimagecheck();" />

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