<select id="s1">
<option>所有省</option>
</select>当我点击该控件后就将所有省份显示出来。请问这样怎样 实现呢?
我从服务器那边取出数据function getProviceBack(obj, text) {
if (text != null && text.length > 4) {
var json = eval(text);
var item;
var str = '<option>所有省份</option>';
for (var i = 0; i < json.length; i++) {
item = json[i];
str += "<option value='" + item.name + "'>" + item.name + "</option>";
}
// alert(str);
obj.innerHTML = str;
}但是这样没用 。而且我是在click事件里加载的
<option>所有省</option>
</select>当我点击该控件后就将所有省份显示出来。请问这样怎样 实现呢?
我从服务器那边取出数据function getProviceBack(obj, text) {
if (text != null && text.length > 4) {
var json = eval(text);
var item;
var str = '<option>所有省份</option>';
for (var i = 0; i < json.length; i++) {
item = json[i];
str += "<option value='" + item.name + "'>" + item.name + "</option>";
}
// alert(str);
obj.innerHTML = str;
}但是这样没用 。而且我是在click事件里加载的
(select好像不能用innerHTML我以前用也不管用) :for (var i = 0; i < json.length; i++) {
item = json[i];
//str += "<option value='" + item.name + "'>" + item.name + "</option>";
obj.options.add(new Options(item.name,item.name));
}
// alert(str);
//obj.innerHTML = str;
obj.options.add(new [color=#FF0000]Option(item.name,item.name));
[/color]
谁说的 select不能用innerHTML?
然后它就返回拉。当我再次点击的时候它就正常拉
<!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>
<title> new document </title> </head> <body>
<select id="list">
</select>
<script type="text/javascript">
<!--//测试数据
var json = [
{"name": "beijing"},
{"name": "shanghai"},
{"name": "tianjin"},
{"name": "chengdu"},
{"name": "yunnan"}
];
function getProviceBack(obj, json) {
if (json != null && json.length > 4) {
var item, op = ['<option>所有省份</option>'];
for (var i = 0; i < json.length; i++) {
op[op.length] = "<option value='"+json[i].name+"'>"+json[i].name+"</option>";
}
if(obj.outerHTML){
obj.outerHTML = obj.outerHTML.replace(/></,">"+op.join('')+"<");
}
else if(obj.innerHTML)
{
obj.innerHTML = op.join('');
} }
}
getProviceBack(document.getElementById('list'), json);
//-->
</script>
</body>
</html>
select1.options[i] = new Option(i,i);
}
} function fill_select2() { var sOpts = "<SELECT>";
for (var i=0;i<100;i++)
{
sOpts += '<OPTION VALUE="' + i + '">' + i + '</OPTION>\n';
}
select2.outerHTML = sOpts + "</SELECT>";
} function fill_select3() { for(var i=0; i < 100; i++) {
var oOption = document.createElement("OPTION");
oOption.text="Option: " + i;
oOption.value=i;
document.all.select3.add(oOption)
}
}FROM:http://support.microsoft.com/kb/276228