从这个例子中可以看到:http://jsfiddle.net/UTwGS/

HTML:

<label><input type="radio" value="1" name="my-radio">Radio One</label>
<label><input type="radio" value="2" name="my-radio">Radio One</label>

jQuery:

$('input[type="radio"]').on('click change', function(e) {
    console.log(e.type);
});

在选择单选按钮选项时(至少在某些浏览器中)会触发单击和更改事件。

我还应该指出，在我的例子中，当您使用tab和键盘选择一个选项时，单击事件仍然会触发。

因此，我的观点是，即使某些浏览器触发了change事件，但click事件应该提供所需的覆盖范围。

将之前选中的radio存储在一个变量中: http://jsfiddle.net/dsbonev/C5S4B/

HTML

<input type="radio" name="myRadios" value="1" /> 1
<input type="radio" name="myRadios" value="2" /> 2
<input type="radio" name="myRadios" value="3" /> 3
<input type="radio" name="myRadios" value="4" /> 4
<input type="radio" name="myRadios" value="5" /> 5

JS

var changeHandler = (function initChangeHandler() {
    var previousCheckedRadio = null;

    var result = function (event) {
        var currentCheckedRadio = event.target;
        var name = currentCheckedRadio.name;

        if (name !== 'myRadios') return;

        //using radio elements previousCheckedRadio and currentCheckedRadio

        //storing radio element for using in future 'change' event handler
        previousCheckedRadio = currentCheckedRadio;
    };

    return result;
})();

document.addEventListener('change', changeHandler, false);

Js示例代码

var changeHandler = (function initChangeHandler() {
    var previousCheckedRadio = null;

    function logInfo(info) {
        if (!console || !console.log) return;

        console.log(info);
    }

    function logPrevious(element) {
        if (!element) return;

        var message = element.value + ' was unchecked';

        logInfo(message);
    }

    function logCurrent(element) {
        if (!element) return;

        var message = element.value + ' is checked';

        logInfo(message);
    }

    var result = function (event) {
        var currentCheckedRadio = event.target;
        var name = currentCheckedRadio.name;

        if (name !== 'myRadios') return;

        logPrevious(previousCheckedRadio);
        logCurrent(currentCheckedRadio);

        previousCheckedRadio = currentCheckedRadio;
    };

    return result;
})();

document.addEventListener('change', changeHandler, false);

This is just off the top of my head, but you could do an onClick event for each radio button, give them all different IDs, and then make a for loop in the event to go through each radio button in the group and find which is was checked by looking at the 'checked' attribute. The id of the checked one would be stored as a variable, but you might want to use a temp variable first to make sure that the value of that variable changed, since the click event would fire whether or not a new radio button was checked.

最简单和动力十足

使用getAttribute只读无线电输入

文件。addEventListener“输入”,(e) = > { 如果目标(e。“name”getAttribute () = = myRadios”) 控制台日志(e .目标。价值) }) <输入类型=“无线电 <输入类型=“无线电

我知道这是一个老问题，但这段代码适合我。也许将来有人会发现它很有用:

<h2>Testing radio functionality</h2>
<script type="text/javascript">var radioArray=[null];</script>
<input name="juju" value="button1" type="radio" onclick="radioChange('juju','button1',radioArray);" />Button 1
<input name="juju" value="button2" type="radio" onclick="radioChange('juju','button2',radioArray);" />Button 2
<input name="juju" value="button3" type="radio" onclick="radioChange('juju','button3',radioArray);" />Button 3
<br />

<script type="text/javascript">
function radioChange(radioSet,radioButton,radioArray)
  {
  //if(radioArray instanceof Array) {alert('Array Passed');}
  var oldButton=radioArray[0];
  if(radioArray[0] == null)
    {
    alert('Old button was not defined');
    radioArray[0]=radioButton;
    }
  else
    {
    alert('Old button was set to ' + oldButton);
    radioArray[0]=radioButton;
    }
  alert('New button is set to ' + radioArray[0]);
  }
</script>

您可以添加以下JS脚本

<script>
    function myfunction(event) {
        alert('Checked radio with ID = ' + event.target.id);
    }
    document.querySelectorAll("input[name='myRadios']").forEach((input) => {
        input.addEventListener('change', myfunction);
    });
</script>