我目前有一个选择下拉菜单，其中的一些选项应该根据我拥有的字符串列表被禁用和隐藏。这是我尝试过的非选择 JavaScript 函数：
<!DOCTYPE html>
<html>
<body>
<select onchange="ToggleSelectizeOptions(this.value)">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="opel">Opel</option>
<option value="audi">Audi</option>
<option value="ford">Ford</option>
<option value="hyundai">Hyundai</option>
<option value="honda">Honda</option>
<option value="porsche">Porsche</option>
</select>
<select id="selectize">
<option value="">All Vehicles</option>
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="opel">Opel</option>
<option value="audi">Audi</option>
<option value="ford">Ford</option>
<option value="hyundai">Hyundai</option>
<option value="honda">Honda</option>
<option value="porsche">Porsche</option>
</select>
<script>
function ToggleSelectizeOptions(ids) {
var selectizeOptions = document.getElementById("selectize").options;
var selectizeSingleOption;
//We always start at 1 because index 0 always have "" as the value.
for (var idx = 1; idx < selectizeOptions.length; …