createOrder.html

<!doctype html>
<html>
  <head>
    <script src="jquery-3.3.1.min.js"></script>
    <title>GV</title>
  </head>
  <body>
    <a href="/investmentProgram.html">Back</a>
    <form id="target">
      <select name="type" size="1">
        <option value="buy">Buy</option>
        <option value="sell">Sell</option>
      </select>
      <select name="actType" size="1">
        <option value="market">Market</option>
        <option value="limit">Limit</option>
      </select> <br />
      <select name="currency" size="1">
        <option value="aura">AURA</option>
        <option value="mas">MAS</option>
      </select> <br/>
      Price: <input id="price" name="price" type="number" value="0" size="25"/> <br/>
      Amount: <input id="amount" name="amount" type="number" value="0" size="25"/> <br/>
      Total: <span id="total">0</span><br/>
      <input type="submit" data-method="serialize" value="Ok">
    </form>
  </body>
  <script src="createOrder.js"></script>
</html>