[英]How to get selected radio button value for multiple instances of radio button
[英]How to get the value of the prev selected radio button
小提琴示例: http : //jsfiddle.net/ARPCw/5/
相关js
var cb = document.getElementsByTagName('input'),
total = document.getElementById('tprice');
for (var i = 0; i < cb.length; i++) {
(function(c) {
c.onclick = function() {
var bp = 200;
for (var i = 0; i < cb.length; i++) {
if (!!cb[i].checked) {
bp += +cb[i].getAttribute('data-price');
}
}
total.innerHTML = bp;
}
}(cb[i]))
}
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