JSFiddle - React, Tailwind, and code Playground

by Benjamin DeLong

HTML

1 <input type="checkbox" name="finallevelusers[]" value="1"/>
2 <input type="checkbox" name="finallevelusers[]" value="1"/>
3 <input type="checkbox" name="finallevelusers[]" value="1"/>
4 <input type="checkbox" name="finallevelusers[]" value="1"/>

JavaScript

$('input[type=checkbox]').change(function(){
    if($(this).is(':checked')){
$('input[type=checkbox]').attr('disabled',true);
    $(this).attr('disabled','');
}
else{
$('input[type=checkbox]').attr('disabled','');
}
});