jquery - PHP data not sent by ajax -


i trying pass value ajax get-data.php. have lot research on stackoverflow. however, still cannot work , not sure why case. whenever var_dump $_post , array(0).

index.php

    <select id="cis_major">       <option disabled selected value> -- select option -- </option>       <option value="cs150">cs150</option><option value="cs180">cs180</option>       <option value="cs240">cs240</option><option value="cs280">cs280</option>               <      option value="cs350">cs350</option><option value="cs360">cs360</option>       <option value="cs401">cs401</option><option value="cs402">cs402</option>       <option value="cs421">cs421</option><option value="cs440">cs440</option>       <option value="cs460">cs460</option><option value="cs476">cs476</option>       <option value="cs480">cs480</option>     </select>      <div id="selection"></div>      <div id="show">         <!-- items displayed here -->     </div>     <script type="text/javascript">         $(document).ready(function () {             $("#cis_major").on("change", function () {                 var selected = $(this).val();                 $("#selection").html("your selected:" + selected);                 $.ajax({                     type: "post",                     url: "get-data.php",                     data: {selected:selected},                     success: function (result) {                         $("#show").html(result);                     }                 });             });         });     </script>

get-data.php

<?php  var_dump($_post["selected"]);  if(isset($_post["selected"])){     /* query here , output want */     echo "i love you"; /* print output want, returned original page */ }

below inspection. enter image description here


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