JSFiddle - React, Tailwind, and code Playground

HTML

<label for="electronics">Electronics</label>
<input type="radio" id="electronics" name="rdbutton" />
<label for="computers">Computers</label>
<input type="radio" id="computers" name="rdbutton" />
<label for="others">Others</label>
<input type="radio" id="others" name="rdbutton" />
<input id="others-text" style="display:none" name="others-text" />

JavaScript

$(function() {
    $('input[type="radio"]').click(function() {
        if($(this).attr('id') == 'others') {
            $('#others-text').show();
        } else {
            $('#others-text').hide();
            $('#others-text').val('');
        }
    });
});