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How to Submit a Form Using Jquery

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Demo



Code 
 <script src="http://code.jquery.com/jquery-latest.js"></script>
  <form action="#" target="_blank">
      <input type="text" />
      <input type="submit" />
  </form>
  <span style="color:red;" id='alert'></span>
<script>

$("form").submit(function() {
      if ($("input:first").val() != "")
        return true;
      $("#alert").text("Empty Text Box!!").show().fadeOut(1500);
      return false;
    });
</script>
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