<form name="f1">
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</form>
<form name="f3">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</form>javascript
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</form>
<form name="f3">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</form>javascript
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/JavaScript">
$(function(){
var t=0;
var f=0;
$("#abv").click(function(){
$("#div1 p :input").each(function(){
if(this.checked){
t=$(this).attr("value");
}
});
if(t==0){
alert("form1未选择选项");
return false;
}
$("#div2 p :input").each(function(){
if(this.checked){
f=$(this).attr("value");
}
});
if(f==0){
alert("form2未选择选项");
return false;
}
alert(t*f);
});
})
</script>
<input type="button" id="abv" value="测试用按钮" />
<form name="f1">
<div id="div1">
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</div>
</form>
<form name="f3">
<div id="div2">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</div>
</form>
var len = document.getElementsByName("r1");
for (var i = 0; i < len.length; i++) {
if (len[i].checked) {
radio1 = len[i].value;
chk1 = true;
break;
}
}
} function getRadioValue2() {
var len = document.getElementsByName("r3");
for (var i = 0; i < len.length; i++) {
if (len[i].checked) {
radio2 = len[i].value;
chk3 = true;
break;
}
}
}
function Calculation() {
getRadioValue();
getRadioValue2();
if (chk1||chk3){
alert (radio1*radio2);
}
else {
alert ("please");
}
}
<form name="f1">
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50" >Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</form>
<form name="f3">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" onclick="fn1()" id="r31" value="2" >General attendee</p>
<p><input type="radio" name="r3" onclick="fn1()" id="r32" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" onclick="fn1()" id="r33" value="1"/>Student</p>
</form>
<button onclick="Calculation()">Calculation</button>
<script>
var inputs=document.getElementsByTagName('input'),vs=[];
for(var i=0,L=inputs.length;i<L;i++)
inputs[i].onclick=function(){
vs[this.name=='r1'?0:1]=this.value
}
function Calculation(){
var error=['Ticket type','Delegate type']
if(!vs[0]) {
alert( 'Ticket type can not be empty');
}else if(!vs[0]) {
alert( 'Ticket type can not be empty');
}else
alert( vs[0]* vs[1])
}
</script>
<script src="http://code.jquery.com/jquery-latest.js"></script>这行一定要加上
我重新排了下版,你从新粘上试试<script src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/JavaScript">
$(function(){
var t=0;
var f=0;
$("#abv").click(function(){
$("#div1 p :input").each(function(){
if(this.checked){
t=$(this).attr("value");
}
});
if(t==0){
alert("form1未选择选项");
return false;
}
$("#div2 p :input").each(function(){
if(this.checked){
f=$(this).attr("value");
}
});
if(f==0){
alert("form2未选择选项");
return false;
}
alert(t*f);
});
})
</script>
<input type="button" id="abv" value="测试用按钮" />
<form name="f1">
<div id="div1">
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</div>
</form>
<form name="f3">
<div id="div2">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</div>
</form>
var radio1,radio2; //原来你变量未定义
function getRadioValue() {
......
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js" type="text/javascript"></script>
<title>无标题文档</title>
<script type="text/javascript">
function test() {
var r1 = $(":radio[name=r1]:checked");
var r3 = $(":radio[name=r3]:checked");
if (r1.length == 0 || r3.length == 0) {
alert("两组都必须有一个得选中");
return;
} alert(r1.val()*r3.val());
}
</script>
</head>
<body>
<input type="button" id="btnTest" value="测试" onclick="test()" />
<form name="f1">
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</form><form name="f3">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</form>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
</head><body>
<form name="f1">
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</form>
<form name="f3">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</form>
<script type="text/javascript">
//两个form
var forms = document.getElementsByTagName("form");
//第一个form
var firstForm = forms[0];
//第二个form
var secondForm = forms[1];
//第一个form的input集合
var f1_inputs = firstForm.getElementsByTagName("input");
//第二个form的input集合
var f3_inputs = secondForm.getElementsByTagName("input");
//相乘的两个值
var f1_value =-1, f3_value =-1;
//遍历所有input绑定change事件
for(var i=0; i<f1_inputs.length; i++){
var t = this;
t.addEventListener("change",cal,false);
}
for(var i=0; i<f3_inputs.length; i++){
var t = this;
if(t.checked == true){
f3_value = t.value;
}
t.addEventListener("change",cal,false);
}
//计算
function cal(){
for(var i=0; i<f1_inputs.length; i++){
if(f1_inputs[i].checked==true){
f1_value = Number(f1_inputs[i].value);
}
};
for(var i=0; i<f3_inputs.length; i++){
if(f3_inputs[i].checked==true){
f3_value = Number(f3_inputs[i].value);
}
};
if(f1_value == -1 || f3_value == -1){
alert("not checked");
return
}
else{
alert(f1_value * f3_value);
}
}
</script>
</body></html>
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</form>
<form name="f3">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</form>
<button onclick="Calculation()">Calculation</button>
<script>
var inputs=document.getElementsByTagName('input'),vs=[];
for(var i=0,L=inputs.length;i<L;i++)
inputs[i].onclick=function(){
vs[this.name]=this.value
}
function Calculation(){
if(!vs['r1'] ) {
alert( 'Ticket type can not be empty');
}else if(!vs['r3']) {
alert( 'Ticket type can not be empty');
}else
alert( vs['r1']* vs['r3'])
}
</script>
<head runat="server">
<title></title>
<script type="text/javascript">
window.onload = function cal() {
var _r1 = document.getElementsByName("r1");
var _r3 = document.getElementsByName("r3");
//单选项单击事件注册
for (var i = 0; i < _r1.length; i++) {
_r1[i].attachEvent("onclick", radioClick);
}
//单选项单击事件注册
for (var i = 0; i < _r3.length; i++) {
_r3[i].attachEvent("onclick", radioClick);
}
}
function radioClick() {
var obj = window.event.srcElement; //事件源对象
var name = obj.name; //事件源对象单选项name
var objVal = obj.value; //选中项value //选中r1选项时,检查r3选项
if (name == "r1") {
var _r3 = document.getElementsByName("r3");
var _r3CheckedVal = "";
var _r3IsChecked = false;
for (var i = 0; i < _r3.length; i++) {
if (_r3[i].checked) {
_r3IsChecked = true;
_r3CheckedVal = _r3[i].value;
}
}
if (_r3IsChecked == false) {
alert("另一组单选项未选中。");
return;
}
else {
alert(parseFloat(objVal) * parseFloat(_r3CheckedVal));
}
}
//选中r3选项时,检查r1选项
else {
var _r1 = document.getElementsByName("r1");
var _r1CheckedVal = "";
var _r1IsChecked = false;
for (var i = 0; i < _r1.length; i++) {
if (_r1[i].checked) {
_r1IsChecked = true;
_r1CheckedVal = _r1[i].value;
}
}
if (_r1IsChecked == false) {
alert("另一组单选项未选中。");
return;
}
else {
alert(parseFloat(objVal) * parseFloat(_r1CheckedVal));
}
}
}
</script>
</head>
<body>
<form name="f1">
<p><h3>Ticket type:</h3></p>
<p><input type="radio" name="r1" value="50"/>Admission to the conference only</p>
<p><input type="radio" name="r1" value="75"/>Admission to the conference and exhibition</p>
<p><input type="radio" name="r1" value="100"/>Admission to the conference, exhibition and all screenings</p>
</form>
<form name="f3">
<p><h3>Delegate type:</h3></p>
<p><input type="radio" name="r3" value="2"/>General attendee</p>
<p><input type="radio" name="r3" value="1.5"/>Presenter</p>
<p><input type="radio" name="r3" value="1"/>Student</p>
</form>
</body>
</html>