JSFiddle - React, Tailwind, and code Playground

by Timmy Willison

HTML

<form>
    <input class="class1" type="radio" name="l1" value="0" checked="checked" /> c1
    <input class="class2" type="radio" name="l1" value="1" /> c2<br />
    <input class="class1" type="radio" name="l2" value="0" checked="checked" /> c3
    <input class="class2" type="radio" name="l2" value="1" /> c4<br />
    <input type="button" value="c1 et c2" /><br />
    <input type="button" value="c3 et c4" />
</form>

JavaScript

$('input[type="button"]:first').click(function(e) {
    e.preventDefault();
    $('.class1').prop('checked',true);
});
$('input[type="button"]:eq(1)').click(function(e) {
    e.preventDefault();
    $('.class2').prop('checked',true);
});