JSFiddle - React, Tailwind, and code Playground

HTML

<form id = "query" method = "post" action = "search.php">
    <input type = "checkbox" name = "col_list[]" value = "host"/>
    <input type = "checkbox" name = "col_list[]" value = "atom_name"/>
<input type="text" name="order"/>
     <input type = "submit"/>
</form>

JavaScript

$('[name*="col_list"]').change(function(){
    console.log(this)
   if ($(this).prop('checked')){
       $('[name="order"]').val($('[name="order"]').val()+','+$(this).val())
    }
});