//可以保存为html文件,然后用IE打开看效果,一切正常;再用火狐浏览器打开就可以看到在firefox浏览器不行,请高手帮找出原因改正,谢谢!
<html>
<head>
<SCRIPT language=JavaScript>
function Dsy() { this.Items = {}; }
Dsy.prototype.add = function(id,iArray) { this.Items[id] = iArray; }
Dsy.prototype.Exists = function(id) { if(typeof(this.Items[id]) == "undefined") return false; return true; };
function change(v){
var str="0";
var aTemp
for(i=0;i<v;i++){ str+=("_"+(document.getElementById(s[i]).selectedIndex-1))};
var ss=document.getElementById(s[v]);
with(ss){
length = 0;
aTemp = opt0[v].split("|")
options[0]=new Option(aTemp[0],aTemp[1]);
if(v && document.getElementById(s[v-1]).selectedIndex>0 || !v)
{
if(dsy.Exists(str)){
ar = dsy.Items[str];
for(i=0;i<ar.length;i++)
{
aTemp = ar[i].split("|");
options[length]=new Option(aTemp[0],aTemp[1]);
}
if(v)options[0].selected = true;
}
}
if(++v<s.length){change(v);}
}
}
var dsy = new Dsy();
dsy.add("0_0_0",["东城区|110101","西城区|110102","海淀区|110108"]);
dsy.add("0_0_1",["密云县|110228","延庆县|110229"]);
dsy.add("0_0",["市辖区|110100","北京县|110200"]);
dsy.add("0_1_0",["和平区|120101","河东区|120102","河西区|120103"]);
dsy.add("0_1_1",["宁河县|120221","静海县|120223","蓟县|120225"]);
dsy.add("0_1",["市辖区|120100","天津县|120200"]);
dsy.add("0",["北京市|110000","天津市|120000"]);
<!--
var s=["province","city","region"];
var opt0 = ["--请选择所在省--|","--请选择市--|","--请选择区--|"];
function setup()
{
for(i=0;i<s.length-1;i++)
document.getElementById(s[i]).onchange=new Function("change("+(i+1)+");document.getElementById('identity').innerText=this.value");
change(0);
}
//-->
</SCRIPT>
</head>
<body onload=setup()>
请选择地区:<select name="province"></select> <select name="city"></select> <select name="region"></select> 区段为:<input type="text" id="identity" name="mm" value="">
</body>
</html>
<html>
<head>
<SCRIPT language=JavaScript>
function Dsy() { this.Items = {}; }
Dsy.prototype.add = function(id,iArray) { this.Items[id] = iArray; }
Dsy.prototype.Exists = function(id) { if(typeof(this.Items[id]) == "undefined") return false; return true; };
function change(v){
var str="0";
var aTemp
for(i=0;i<v;i++){ str+=("_"+(document.getElementById(s[i]).selectedIndex-1))};
var ss=document.getElementById(s[v]);
with(ss){
length = 0;
aTemp = opt0[v].split("|")
options[0]=new Option(aTemp[0],aTemp[1]);
if(v && document.getElementById(s[v-1]).selectedIndex>0 || !v)
{
if(dsy.Exists(str)){
ar = dsy.Items[str];
for(i=0;i<ar.length;i++)
{
aTemp = ar[i].split("|");
options[length]=new Option(aTemp[0],aTemp[1]);
}
if(v)options[0].selected = true;
}
}
if(++v<s.length){change(v);}
}
}
var dsy = new Dsy();
dsy.add("0_0_0",["东城区|110101","西城区|110102","海淀区|110108"]);
dsy.add("0_0_1",["密云县|110228","延庆县|110229"]);
dsy.add("0_0",["市辖区|110100","北京县|110200"]);
dsy.add("0_1_0",["和平区|120101","河东区|120102","河西区|120103"]);
dsy.add("0_1_1",["宁河县|120221","静海县|120223","蓟县|120225"]);
dsy.add("0_1",["市辖区|120100","天津县|120200"]);
dsy.add("0",["北京市|110000","天津市|120000"]);
<!--
var s=["province","city","region"];
var opt0 = ["--请选择所在省--|","--请选择市--|","--请选择区--|"];
function setup()
{
for(i=0;i<s.length-1;i++)
document.getElementById(s[i]).onchange=new Function("change("+(i+1)+");document.getElementById('identity').innerText=this.value");
change(0);
}
//-->
</SCRIPT>
</head>
<body onload=setup()>
请选择地区:<select name="province"></select> <select name="city"></select> <select name="region"></select> 区段为:<input type="text" id="identity" name="mm" value="">
</body>
</html>
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- 两个语句的区别.希望能给讲解一下。
if(window.navigator.userAgent.toLowerCase().indexOf("msie")==0){ //firefox innerText
HTMLElement.prototype.__defineGetter__( "innerText",
function(){
var anyString = "";
var childS = this.childNodes;
for(var i=0; i<childS.length; i++) {
if(childS[i].nodeType==1)
anyString += childS[i].tagName=="BR" ? '\n' : childS[i].textContent;
else if(childS[i].nodeType==3)
anyString += childS[i].nodeValue;
}
return anyString;
}
);
HTMLElement.prototype.__defineSetter__( "innerText",
function(sText){
this.textContent=sText;
}
);
}
请选择地区:
<select name="province" id="province"></select>
<select name="city" id="city"></select>
<select name="region" id="region"></select>
区段为:<input type="text" id="identity" name="mm" value="">
给每个select都加上id
<head>
<SCRIPT language=JavaScript>
alert(22);
function Dsy() { this.Items = {}; } Dsy.prototype.add = function(id,iArray) { this.Items[id] = iArray; } Dsy.prototype.Exists = function(id) {
if(typeof(this.Items[id]) == "undefined")
return false;
return true;
}; function change(v){
var str="0";
var aTemp
for(i=0;i<v;i++){
str+=("_"+(document.getElementById(s[i]).selectedIndex-1))
};
var ss=document.getElementById(s[v]);
// alert("ss:"+ss.innerHTML);
with(ss){
length = 0;
aTemp = opt0[v].split("|")
options[0]=new Option(aTemp[0],aTemp[1]);
//当v是0
if(v && document.getElementById(s[v-1]).selectedIndex>0 || !v)
{
if(dsy.Exists(str)){
ar = dsy.Items[str];
for(i=0;i<ar.length;i++)
{
aTemp = ar[i].split("|");
options[length]=new Option(aTemp[0],aTemp[1]);
}
if(v)options[0].selected = true;
}
}
if(++v<s.length){change(v);}
}
}
var dsy = new Dsy();
dsy.add("0_0_0",["东城区|110101","西城区|110102","海淀区|110108"]);
dsy.add("0_0_1",["密云县|110228","延庆县|110229"]);
dsy.add("0_0",["市辖区|110100","北京县|110200"]);
dsy.add("0_1_0",["和平区|120101","河东区|120102","河西区|120103"]);
dsy.add("0_1_1",["宁河县|120221","静海县|120223","蓟县|120225"]);
dsy.add("0_1",["市辖区|120100","天津县|120200"]);
dsy.add("0",["北京市|110000","天津市|120000"]);
<!--
var s=["province","city","region"];
var opt0 = ["--请选择所在省--|","--请选择市--|","--请选择区--|"];
//加载执行这个方法
function setup()
{
for(i=0;i<s.length-1;i++)
document.getElementById(s[i]).onchange=new Function("change("+(i+1)+");alert(this.value);document.getElementById('identity').value=this.value");
change(0);
}
//-->
</SCRIPT>
</head>
<body onload=setup()>
请选择地区:
<select name="province" id="province"></select>
<select name="city" id="city"></select>
<select name="region" id="region"></select>
区段为:<input type="text" id="identity" name="mm" value="">
</body>
</html>
<html>
<head>
<SCRIPT language=JavaScript>
alert(22);
function Dsy() { this.Items = {}; } Dsy.prototype.add = function(id,iArray) { this.Items[id] = iArray; } Dsy.prototype.Exists = function(id) {
if(typeof(this.Items[id]) == "undefined")
return false;
return true;
}; function change(v){
var str="0";
var aTemp
for(i=0;i<v;i++){
str+=("_"+(document.getElementById(s[i]).selectedIndex-1))
};
var ss=document.getElementById(s[v]);
// alert("ss:"+ss.innerHTML);
with(ss){
length = 0;
aTemp = opt0[v].split("|")
options[0]=new Option(aTemp[0],aTemp[1]);
//当v是0
if(v && document.getElementById(s[v-1]).selectedIndex>0 || !v)
{
if(dsy.Exists(str)){
ar = dsy.Items[str];
for(i=0;i<ar.length;i++)
{
aTemp = ar[i].split("|");
options[length]=new Option(aTemp[0],aTemp[1]);
}
if(v)options[0].selected = true;
}
}
if(++v<s.length){change(v);}
}
}
var dsy = new Dsy();
dsy.add("0_0_0",["东城区|110101","西城区|110102","海淀区|110108"]);
dsy.add("0_0_1",["密云县|110228","延庆县|110229"]);
dsy.add("0_0",["市辖区|110100","北京县|110200"]);
dsy.add("0_1_0",["和平区|120101","河东区|120102","河西区|120103"]);
dsy.add("0_1_1",["宁河县|120221","静海县|120223","蓟县|120225"]);
dsy.add("0_1",["市辖区|120100","天津县|120200"]);
dsy.add("0",["北京市|110000","天津市|120000"]);
<!--
var s=["province","city","region"];
var opt0 = ["--请选择所在省--|","--请选择市--|","--请选择区--|"];
//加载执行这个方法
function setup()
{
for(i=0;i<s.length-1;i++)
document.getElementById(s[i]).onchange=new Function("change("+(i+1)+");alert(this.value);document.getElementById('identity').value=this.value");
change(0);
}
//-->
</SCRIPT>
</head>
<body onload=setup()>
请选择地区:
<select name="province" id="province"></select>
<select name="city" id="city"></select>
<select name="region" id="region"></select>
区段为:<input type="text" id="identity" name="mm" value="">
</body>
</html>