我有两个带有“提交”按钮的下拉菜单,可根据下拉菜单中的选择将访问者重定向到特定的网址。
问题:访问者单击“提交”按钮时,浏览器向他显示一个弹出菜单,如下面的屏幕快照所示。我需要禁用此弹出窗口。这意味着访问者应该平稳,直接地进入目标网址。
HTML
<form>
<select id="carbrand">
<option value="volvo">Volvo</option>
<option value="saab" selected="selected">Saab</option>
<option value="opel">Opel</option>
<option value="audi">Audi</option>
</select>
<select id="carcolor">
<option value="white">White</option>
<option value="black" selected="selected">Black</option>
<option value="red">Red</option>
<option value="blue">Blue</option>
</select>
<br/><br/>
<input id="btnCallURL" type="button" value="Call URL">
</form>
JavaScript
<script>
document.getElementById('btnCallURL').onclick = function() {
var carbrandObj = document.getElementById('carbrand');
var carcolorObj = document.getElementById('carcolor');
var carbrandValue = carbrandObj.options[carbrandObj.selectedIndex].value;
var carColorValue = carcolorObj.options[carcolorObj.selectedIndex].value;
jsCallUrl(carbrandValue, carColorValue);
}
function jsCallUrl(carbrandValue, carColorValue){
var pageUrl = "";
switch (carbrandValue){
case "volvo":
switch (carColorValue){
case "white":
pageUrl = "volvo-white-page-url.php";
break;
case "black":
pageUrl = "volvo-black-page-url.php";
break;
default:
pageUrl = "volvo-othercolor-page-url.php";
break;
}
break;
case "saab":
switch (carColorValue){
case "white":
pageUrl = "saab-white-page-url.php";
break;
case "black":
pageUrl = "saab-black-page-url.php";
break;
default:
pageUrl = "saab-othercolor-page-url.php";
break;
}
break;
}
alert(pageUrl);
if (pageUrl != ""){
location.href = "https://domain/" + pageUrl;
}
}
</script>