Ich möchte bei Auswahl einer Kategorie die dazu angezeigte Produkte in die Auswahlliste hinzufügen und die gesamtsumme berechnen.
Hat jemand eine Idee?
	
	
	
		
				
			Hat jemand eine Idee?
		HTML:
	
	<html><head>
    <style>
        select {
  min-width: 150px;
  min-height: 150px;
}
    </style>
</head>
<body>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
    <script>
        function img(x) {
            if (x == 0) {
                document.getElementById('img4').style.display = 'none';
                document.getElementById('img3').style.display = 'none';
              document.getElementById('img2').style.display = 'none';
              document.getElementById('img1').style.display = 'block';
            } else if (x == 2){
              document.getElementById('img1').style.display = 'none';
              document.getElementById('img2').style.display = 'block';
              document.getElementById('img3').style.display = 'none';
              document.getElementById('img4').style.display = 'none';
            
            }else if (x == 3){
              document.getElementById('img1').style.display = 'none';
              document.getElementById('img2').style.display = 'none';
              document.getElementById('img3').style.display = 'block';
              document.getElementById('img4').style.display = 'none';
            }else {
              document.getElementById('img1').style.display = 'none';
              document.getElementById('img2').style.display = 'none';
              document.getElementById('img3').style.display = 'none';
              document.getElementById('img4').style.display = 'block';
            }
          }
        </script>
<div>Tariftyp</div>
    <input type="radio" name="img" onclick="img(0)" checked="">
    Neukunden
   <input type="radio" name="img" onclick="img(2)">
    Bestandskunden
    <input type="radio" name="img" onclick="img(3)">
    Junge Leute
    <input type="radio" name="img" onclick="img(4)">
    Selbständig
    <div id="img1" style="display: block;">
<select name="selectfrom" id="select-from" multiple="" size="5">
    <option value="22.99">Product S</option>
    <option value="27.99">Product S Boost</option>
    <option value="32.99">Product M</option>
    <option value="37.99">Product M Boost</option>
    <option value="42.99">Product L</option>
    <option value="47.99">Product L Boost</option>
    <option value="62.99">Product XL</option>
    
</select>
</div>
<div id="img2" style="display: none;">
    <select name="selectfrom2" id="select-from2" multiple="" size="5">
    <option value="12.99">Product S YP</option>
    <option value="12.99">Product S Boost YP</option>
    <option value="22.99">Product M YP</option>
    <option value="22.99">Product M Boost YP</option>
    <option value="32.99">Product L YP</option>
    <option value="32.99">Product L Boost YP</option>
    <option value="52.99">Product XL YP</option>
    
</select>
</div>
<div id="img3" style="display: none;">
    <select name="selectfrom3" id="select-from3" multiple="" size="5">
    <option value="11.49">Product S KB</option>
    <option value="13.99">Product S Boost KB</option>
    <option value="16.49">Product M KB</option>
    <option value="18.99">Product M Boost KB</option>
    <option value="21.49">Product L KB</option>
    <option value="23.99">Product L Boost KB</option>
    <option value="31.49">Product XL KB</option>
    
</select>
</div>
<div id="img4" style="display: none;">
    <select name="selectfrom4" id="select-from4" multiple="" size="5">
    <option value="20.69">Product S SoHo</option>
    <option value="25.19">Product S Boost SoHo</option>
    <option value="29.69">Product M SoHo</option>
    <option value="34.19">Product M Boost SoHo</option>
    <option value="38.69">Product L SoHo</option>
    <option value="43.19">Product L Boost SoHo</option>
    <option value="56.69">Product XL SoHo</option>
    
</select>
</div>
<a href="#" class="btn add">Add »</a>
<a href="#" class="btn remove">« Remove</a>
<select name="selectto" id="select-to" multiple="" size="5"></select>
<input type="text" name="class" value="0" id="total">
    <script type="text/javascript">
        $(() => {
  const $totalField = $('#total');
  const calcTotal = () => {
    let total = $('#select-to option')
      .map((i, el) => +el.value)
      .get()
      .reduce((a, b) => a + b, 0)
    return total > 0 ? total + 99 : total;
  };
  $('.btn').on('click', (e) => {
    e.preventDefault();
    const tgt = e.target.closest('.btn');
    if (!tgt) return; // not a button
    if (tgt.matches('.add'))
    
    if($("select").attr("id") == "select-from"){
        $('#select-from option:selected').clone().appendTo('#select-to');
    }else if($("select").attr("id") == "select-from1"){
        $('#select-from1 option:selected').clone().appendTo('#select-to');
    }else if($("select").attr("id") == "select-from2"){
        $('#select-from2 option:selected').clone().appendTo('#select-to');
}else if($("select").attr("id") == "select-from3"){
    $('#select-from3 option:selected').clone().appendTo('#select-to');
}else if($("select").attr("id") == "select-from4"){
    $('#select-from4 option:selected').clone().appendTo('#select-to');
}
    
    else $('#select-to option:selected').remove();
    $totalField.val(calcTotal().toFixed(2));
  });
});
    </script>
</body></html>
	
	


			