JSFiddle - React, Tailwind, and code Playground

HTML

<input type='radio' name='TravelToCountryId' value='PH'> Philippines
<input type='radio' name='TravelToCountryId' value='CA'> Canada
<input type='radio' name='TravelToCountryId' value='ZH'> China

JavaScript

var country = $('input[name=TravelToCountryId]');
    
$(country).change(function() {     
    alert($(this).val());
});
    

$(country).filter('[value=CA]').prop('checked',true);