<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script language="javascript">function AllCity(){
var cityList=new Array();
cityList['北京市']=['北京市','朝阳区','东城区','西城区','海淀区'];
cityList['上海市']=['上海市','宝山区','长宁区','奉贤区','虹口区'];
for(var i in cityList){
var d=document.myform1.Province;
d.options.add(new Option(i,i));
}
document.myform1.Province.selectedIndex=0;
}
window.onLoad=AllCity();
</script>
</head><body>
<form name="myform1" method="post" action="">
<label>
<select name="Province" id="Province">
<option value="d">rdfd</option>
</select>
</label>
</form>
</body>
</html>帮个忙,为啥我在body中用onload事件却可以显示啊
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script language="javascript">function AllCity(){
var cityList=new Array();
cityList['北京市']=['北京市','朝阳区','东城区','西城区','海淀区'];
cityList['上海市']=['上海市','宝山区','长宁区','奉贤区','虹口区'];
for(var i in cityList){
var d=document.myform1.Province;
d.options.add(new Option(i,i));
}
document.myform1.Province.selectedIndex=0;
}
window.onLoad=AllCity();
</script>
</head><body>
<form name="myform1" method="post" action="">
<label>
<select name="Province" id="Province">
<option value="d">rdfd</option>
</select>
</label>
</form>
</body>
</html>帮个忙,为啥我在body中用onload事件却可以显示啊
AllCity(); // 立即执行了这个函数
改成:AllCity();
AllCity();
}
也可以
onload=AllCity
var cityList=new Array();
cityList['北京市']=['北京市','朝阳区','东城区','西城区','海淀区'];
cityList['上海市']=['上海市','宝山区','长宁区','奉贤区','虹口区'];
for(var i in cityList){
var d=document.myform1.Province;
d.options.add(new Option(i,i));
}
document.myform1.Province.selectedIndex=0;
}
window.onLoad=AllCity();
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档 </title>
<script language="javascript">function AllCity(){
var cityList={};
cityList['北京市']=['北京市','朝阳区','东城区','西城区','海淀区'];
cityList['上海市']=['上海市','宝山区','长宁区','奉贤区','虹口区'];
for(var i in cityList){
var d=document.myform1.Province;
for(var j in cityList[i])
d.options.add(new Option(cityList[i][j]),j);
}
document.myform1.Province.selectedIndex=0;
}
window.onload=function(){AllCity()};
</script>
</head><body>
<form name="myform1" method="post" action="">
<label>
<select name="Province" id="Province">
<option value="d">rdfd </option>
</select>
</label>
</form>
</body>
</html>
看了一下大部分的解决方案,我认为
是建一虚函数:
window.onload=function()
{
调用的函数;
}
上面一句有点小问题咯,onload都是小写呵,还有等号右边应该写成function(){AllCity()},呵呵要仔细
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档 </title>
<script language="javascript"> function AllCity(){
var cityList=new Array();
cityList['北京市']=['北京市','朝阳区','东城区','西城区','海淀区'];
cityList['上海市']=['上海市','宝山区','长宁区','奉贤区','虹口区'];
var d=document.myform1.Province;
for(var i in cityList){
for(var j in cityList[i]){d.options.add(new Option(cityList[i][j]));}
}
document.myform1.Province.selectedIndex=0;
}
window.onload=AllCity;
</script>
</head> <body>
<form name="myform1" method="post" action="">
<label>
<select name="Province" id="Province">
<option value="d">rdfd </option>
</select>
</label>
</form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="_DrawTree.aspx.cs" Inherits="TestWeb._DrawTree" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title></title>
</head>
<body>
<form id="myform1" runat="server">
<div>
<select name="Province" id="Province">
<option value="d">rdfd </option>
</select>
</div>
</form>
</body>
</html> <script language="javascript">
function AllCity() {
var cityList = new Array();
cityList['北京市'] = ['北京市', '朝阳区', '东城区', '西城区', '海淀区'];
cityList['上海市'] = ['上海市', '宝山区', '长宁区', '奉贤区', '虹口区'];
for (var i in cityList) {
var d = document.myform1.Province;
d.options.add(new Option(i, i));
}
document.myform1.Province.selectedIndex = 0;
}
window.onLoad = AllCity();
</script>