type="submit"

 1 <?php var_dump($_REQUEST); ?>
 2 <form action="" id="javascript_page">
 3     SHOP-ASIN <input type="text" name="shopasin">
 4     <button type="submit" name="whelp2017" value="whelp2017" >whelp2017-2016</button>
 5 </form>
 6
 7
 8 <div onclick="w()">w_pagination</div>
 9 <script>
10     function w() {
11         document.getElementById(‘javascript_page‘).submit();
12     }
13 </script>

<?php var_dump($_REQUEST); ?>
<form action="" id="javascript_page">
    SHOP-ASIN <input type="text" name="shopasin">
    <input type="submit" name="whelp2017" value="whelp2017">
</form>

<div onclick="w()">w_pagination</div>
<script>
    function w() {
        document.getElementById(‘javascript_page‘).submit();
    }
</script>

//array(2) { ["shopasin"]=> string(3) "www" ["whelp2017"]=> string(9) "whelp2017" }

//array(1) { ["shopasin"]=> string(4) "w123" }