JSFiddle - React, Tailwind, and code Playground
HTML
<input type="radio" name="radiogrp" value="op1" checked="checked">Option1
<input type="radio" name="radiogrp" value="op2"> Option2
<input type="radio" name="radiogrp" value="op3" > Option3
<input type="radio" name="radiogrp" value="op4"> Option4
JavaScript
var radios = $('input[type="radio"][name="radiogrp"]');
var first = $('input[type="radio"][name="radiogrp"][value="op1"]');
radios.not(first).change(function() {
alert('changed');
first.prop('disabled', true);
radios.unbind('change');
});