Question

I need to submit combo box value with out form. When I click on any value of combo that suppose to submit automatically using javascript. I am using PHP in backend.

<select name="select" id="select" style="width:50px;">
  <option value="25">25</option>
  <option value="50">50</option>
  <option value="100">100</option>
  <option value="All">All</option>
</select>

Answer 1

Here a js part:

function getinfo() {
  var aList = document.getElementById("select");
  var val = aList.options[aList.selectedIndex].value;

  // document.write("<p>Here what you select: "+val+"</p>");
  // here you can send `val` to the server using... are you using any js library?
}

And you need to change your select declaration:

<select name="select" id="select" style="width:50px;" onchange="getinfo()">
                                                      --------------------
</select>

OK, how to send val to the server is another question… If you are using jQuery – you can use jQuery.ajax(...) or any helper like jQuery.get(...). If you are vanilla-js user you can use XMLHttpRequest way and if you use any other lib – just check this lib’s documentation to get helped about sending data to the server.