submit button with onclick

Does onclick submit form twice?

by Julian

HTML

<form id="target" action="destination.html">
  <input type="text" value="Hello there">
  <input type="submit" value="Go" onClick="alert('calling form.submit()');">
</form>
<div id="other">
  Trigger the handler
</div>

JavaScript

$( "#target" ).submit(function( event ) {
  alert( "Handler for .submit() called." );
  event.preventDefault();
});