JSFiddle - React, Tailwind, and code Playground

HTML

<select name='country' id='country'>
    <option value='india'>India</option>
    <option value='usa'>USA</option>
</select>
<select name='dates' id='dates'>
</select>

JavaScript

data = {
    india: ['2011-03-11','2010-02-01'],
    usa: ['2006-03-11','2009-02-01']
}

$('#country').change(function(){
    var dateopts = ''
    $.each(data[$(this).val()],function(i,v){
        dateopts += "<option value='"+v+"'>"+v+"</option>"
    }) 
    $('#dates').html(dateopts)
})