JSFiddle - React, Tailwind, and code Playground
by Tan
HTML
<label for="gender">Gender: </label>
<input type="radio" name="genderS" value="1" checked="checked">Male</input>
<input type="radio" name="genderS" value="0" >Female</input>
<div id="s1"></div>
<a href="#" onclick="check();">click</a>
JavaScript
var radios = document.getElementsByName('genderS');
for (var i = 0, length = radios.length; i < length; i++) {
if (radios[i].checked) {
// do whatever you want with the checked radio
var val = (radios[i].value);
}
}