Why Form doesn't submit on event if input field name is submit. I already know it won't based on recent experience, but why not.
http://jsfiddle.net/btm5j599/1/
Edited Code
$('#btn1').click(function() {
$('#form1').attr('action', '');
$('#form1').submit();
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<form action="http://mytestsite.com/test/" method="post" id='form1'>
<span>This is a form content</span>
<input type="submit" name="submit" value="Submit" />
</form>
<hr>
<button id="btn1">Submit form on same page</button>