JSFiddle - React, Tailwind, and code Playground

HTML

<input class="blah" name="abc" type="checkbox" id="blah1" />
<input class="blah" name="abc" type="checkbox" id="blah2" />
<input class="blah" name="abc" type="checkbox" id="blah3" />
<input class="blah" name="abc" type="checkbox" id="blah4" />
<input class="blah" name="abc1" type="checkbox" id="blah5" />
<input class="blah" name="abc1" type="checkbox" id="blah6" />

JavaScript

(function($){
    if (typeof $.fn.prop !== 'function')
        $.fn.prop = function(name, value){
            if (typeof value === 'undefined') {
                return this.attr(name);
            } else {
                return this.attr(name, value);
            }
        };
})(jQuery);

alert($('.blah').attr('checked', true));
alert('checked?');
alert($('.blah').attr('checked', false));
alert('unchecked?');
alert($('.blah').prop('checked', true));
alert('checked?');
alert($('.blah').prop('checked', false));
alert('unchecked?');
alert($('.blah').attr('name'));
alert($('.blah').prop('name'));