Javascript 根据用户从下拉菜单中的选择将用户定向到url
我找到了一个脚本,可以满足我的需要(下拉菜单),但我希望它能够根据用户从下拉菜单中的选择将用户带到外部/内部url,例如,如果用户选择美国,然后选择纽约,他们将转到url#1,如果选择美国和新泽西,则转到url#2,这就是我想要的全部 剧本:Javascript 根据用户从下拉菜单中的选择将用户定向到url,javascript,drop-down-menu,menu,Javascript,Drop Down Menu,Menu,我找到了一个脚本,可以满足我的需要(下拉菜单),但我希望它能够根据用户从下拉菜单中的选择将用户带到外部/内部url,例如,如果用户选择美国,然后选择纽约,他们将转到url#1,如果选择美国和新泽西,则转到url#2,这就是我想要的全部 剧本: <!DOCTYPE html> <html> <head> <title></title> <meta http-equiv="Content-Type" content="
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript">
var citiesByState = {
USA: ["NY","NJ"],
Singapore: ["taas","naas"]
}
function makeSubmenu(value) {
if(value.length==0) document.getElementById("citySelect").innerHTML = "<option></option>";
else {
var citiesOptions = "";
for(cityId in citiesByState[value]) {
citiesOptions+="<option>"+citiesByState[value][cityId]+"</option>";
}
document.getElementById("citySelect").innerHTML = citiesOptions;
}
}
function displaySelected() {
var country = document.getElementById("countrySelect").value;
var city = document.getElementById("citySelect").value;
alert(country+"\n"+city);
}
function resetSelection() {
document.getElementById("countrySelect").selectedIndex = 0;
document.getElementById("citySelect").selectedIndex = 0;
}
</script>
</head>
<body onload="resetSelection()">
<select id="countrySelect" size="1" onchange="makeSubmenu(this.value)">
<option></option>
<option>USA</option>
<option>Singapore</option>
</select>
<select id="citySelect" size="1">
<option></option>
</select>
<button onclick="displaySelected()">show selected</button>
</body>
</html>
var Citiesbytate={
美国:[“纽约州”、“新泽西州”],
新加坡:[“taas”、“naas”]
}
函数生成子菜单(值){
if(value.length==0)document.getElementById(“citySelect”).innerHTML=“”;
否则{
var citiesOptions=“”;
for(citiesByState中的cityId[值]){
citiesOptions+=“”+citiesByState[value][cityId]+“”;
}
document.getElementById(“citySelect”).innerHTML=CitieOptions;
}
}
函数displaySelected(){
var country=document.getElementById(“countrySelect”).value;
var city=document.getElementById(“citySelect”).value;
警报(国家+“\n”+城市);
}
函数resetSelection(){
document.getElementById(“countrySelect”)。selectedIndex=0;
document.getElementById(“citySelect”).selectedIndex=0;
}
美国
新加坡
显示选定的
请帮忙
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript">
var citiesByState = {
"USA": ["NY","NJ"],
"Singapore": ["taas","naas"]
}
var navURLs = {
"USA": {"NY": "http://www.yahoo.com","NJ": "http://www.google.com"},
"Singapore": {"taas": "http://www.bing.com","naas": "http://www.ibm.com"}
}
function makeSubmenu(value) {
if(value.length==0) document.getElementById("citySelect").innerHTML = "<option></option>";
else {
var citiesOptions = "";
for(cityId in citiesByState[value]) {
citiesOptions+="<option>"+citiesByState[value][cityId]+"</option>";
}
document.getElementById("citySelect").innerHTML = citiesOptions;
}
}
function displaySelected() {
var country = document.getElementById("countrySelect").value;
var city = document.getElementById("citySelect").value;
alert(country+"\n"+city);
navURL = navURLs[country][city];
if(navURL){
alert(navURL);
window.location.href = navURL;
}
}
function resetSelection() {
document.getElementById("countrySelect").selectedIndex = 0;
document.getElementById("citySelect").selectedIndex = 0;
}
</script>
</head>
<body onload="resetSelection()">
<select id="countrySelect" size="1" onchange="makeSubmenu(this.value)">
<option></option>
<option>USA</option>
<option>Singapore</option>
</select>
<select id="citySelect" size="1">
<option></option>
</select>
<button onclick="displaySelected()">show selected</button>
</body>
</html>
var Citiesbytate={
“美国”:[“纽约”、“新泽西”],
“新加坡”:[“taas”、“naas”]
}
var navURL={
“美国”:{“纽约”:”http://www.yahoo.com,“NJ”:http://www.google.com"},
“新加坡”:{“taas”:”http://www.bing.com“,“naas”:”http://www.ibm.com"}
}
函数生成子菜单(值){
if(value.length==0)document.getElementById(“citySelect”).innerHTML=“”;
否则{
var citiesOptions=“”;
for(citiesByState中的cityId[值]){
citiesOptions+=“”+citiesByState[value][cityId]+“”;
}
document.getElementById(“citySelect”).innerHTML=CitieOptions;
}
}
函数displaySelected(){
var country=document.getElementById(“countrySelect”).value;
var city=document.getElementById(“citySelect”).value;
警报(国家+“\n”+城市);
navURL=navURL[国家][城市];
如果(导航URL){
警报(navURL);
window.location.href=navURL;
}
}
函数resetSelection(){
document.getElementById(“countrySelect”)。selectedIndex=0;
document.getElementById(“citySelect”).selectedIndex=0;
}
美国
新加坡
显示选定的
谢谢您我非常感谢您的帮助,我是否可以删除单击后立即出现的弹出框?我只希望它只重定向?是的-只需删除行警报(navURL)代码>