JSFiddle - React, Tailwind, and code Playground

HTML

<div class="question_answer"> 
    <div id="statementRow_1" class="clearfix t_a_ui_data_list_content"> 
        <div class="question"> 
            <p>answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] answer[1] </p> 
        </div> 
        <div class="answer"> 
            <ul><li><input type="radio" name="statement_1" id="1_1_0"value="0">0</li><li><input type="radio" name="statement_1" id="1_1_1" value="1">1</li><li><input type="radio" name="statement_1" id="1_1_2" value="2">2</li><li><input type="radio" name="statement_1" id="1_1_3" value="3">3</li></ul>                                        </div> 
    </div> 
    
    <div class="question_answer"> 
        <div id="statementRow_2" class="clearfix t_a_ui_data_list_content"> 
            <div class="question"> 
                <p>Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde Derde </p> 
            </div> 
            <div class="answer"> 
                <ul><li><input type="radio" name="statement_2" id="1__0" value="0">0</li><li><input type="radio" name="statement_2" id="1_2_1" value="1">1</li><li><input type="radio" name="statement_2" id="1_2_2" value="2">2</li><li><input type="radio" name="statement_2" id="1_2_3" value="3">3</li></ul>                                        </div> 
        </div> 
        <div><hr /></div> 
        
    </div> 
</div> 
<div class="score"> 
    Mean score: <span id="avg_1"> </span> 
</div>

JavaScript

var answered = new Array();
$(document).ready(function() {
    
    $('input:radio').click(function() {
        var statementScore = $(this).attr('id');
        var answer = statementScore.split('_');
        if(answered[answer[1]] != '1') {
            $.ajax({
                url: "/foo/bar",
                type: 'POST',
                data: {
                    id: answer[1],
                    value: answer[2]
                },
                success: function(){
                    answered[answer[1]] = '1';
                }
            });
        } else {
            $.ajax({
                url: "/foo/bar2",
                type: 'POST',
                data: {
                    id: answer[1],
                    value: answer[2]
                }
            });
        }
        var avg = $('input[id^=' + answer[0] + ']:checked').avg();
        $('span[id=avg_' + answer[0] + ']').text(avg);
 
    });
 
});