从单选按钮获取值是前端开发中常见的操作,可以通过JavaScript来实现。
首先,需要给每个单选按钮设置一个相同的name属性,以便它们可以被组合在一起。然后,可以使用JavaScript来获取选中的单选按钮的值。
以下是一个示例代码:
<input type="radio" name="gender" value="male"> Male
<input type="radio" name="gender" value="female"> Female
<button onclick="getSelectedValue()">Get Value</button>
<script>
function getSelectedValue() {
var radios = document.getElementsByName('gender');
for (var i = 0; i < radios.length; i++) {
if (radios[i].checked) {
console.log('Selected value: ' + radios[i].value);
break;
}
}
}
</script>
在上述代码中,我们给两个单选按钮设置了相同的name属性为"gender",并分别给它们设置了不同的value值。当点击"Get Value"按钮时,调用getSelectedValue()函数,该函数会遍历所有name为"gender"的单选按钮,找到被选中的按钮,并输出其值。
这种方法适用于任何前端开发中需要获取单选按钮值的场景。
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