โค๊ด ที่ผมทำนั้นสุ่มแต่ ตัว audio และปุ่มใส่คำตอบกลับไม่ขึ้น ผมอยากให้ช่วยดูโค๊ดหน่อยครับว่าผมผิดตรงไหน

JavaScript
<script>
    function question1()
        {
            var value = document.getElementById("question1").value;
                if (value == 2)
                    {    
                    window.alert("correct!");
                    }
                                    else
                                        {
                                            window.alert("try again");
                                        }    
                            }
                            function question2()
                            {
                                var value = document.getElementById("question2").value;
                                    if (value == 3)
                                        {    
                                            window.alert("correct!");
                                        }
                                    else
                                        {
                                            window.alert("try again");
                                        }    
                            }
                            function question3()
                            {
                                var value = document.getElementById("question3").value;
                                    if (value == 4)
                                        {    
                                            window.alert("correct!");
                                        }
                                    else
                                        {
                                            window.alert("try again");
                                        }    
                            }</script>            
                        
                        <script>    
                                (function () {                        
                                var audiosSection = document.getElementById("audios");
                                var audiosSectionClone = audiosSection.cloneNode();
                                var audios = audiosSection.getElementsByTagName("audio");
                                var randomAudio = audios.item(Math.floor(Math.random() * audios.length)).cloneNode(true);
                                randomAudio.setAttribute("preload", "auto");
                                audiosSectionClone.appendChild(randomAudio);
                                audiosSection.parentNode.replaceChild(audiosSectionClone, audiosSection);
                                })();
                                (function () {
                                var audiosSection = document.getElementById("answer");
                                })();
                            </script>
HTML
<div id="audios">
                        <audio class="easy" controls >
                            <source src="sounds/easy-2.ogg" type="audio/ogg"></audio><br>
                            <strong>Answer</strong><br>
                            <input type="text" name="answer" maxlength="1" id="question1"><br>
                            <button onclick="question1()" >Check if your answer is correct?</button><br>
                            
                        <audio class="easy" controls >
                            <source src="sounds/easy-3.ogg" type="audio/ogg"></audio><br>
                            <strong>Answer</strong><br>
                            <input type="text" name="answer" maxlength="1" id="question2"><br>
                            <button onclick="question2()" >Check if your answer is correct?</button><br>
                        
                        <audio class="easy" controls >    
                            <source src="sounds/easy-4.ogg" type="audio/ogg"></audio><br>
                            <strong>Answer</strong><br>
                            <input type="text" name="answer" maxlength="1" id="question3"><br>
                            <button onclick="question3()" >Check if your answer is correct?</button><br>
                        
                        <audio class="easy" controls >    
                            <source src="sounds/easy-5.ogg" type="audio/ogg"></audio><br>
                            <strong>Answer</strong><br>
                            <input type="text" name="answer" maxlength="1" id="question4"><br>
                            <button onclick="question4()" >Check if your answer is correct?</button><br>
                    </div>

Layout ของผมนั้น Randoms แต่วิดิโอครับ ช่องใส่คำตอบไม่ขึ้น
รบกวนผู้รู้ช่วยดูโค๊ดให้ด้วยครับ
ปล.ผมอยู่ม.5ครับ อย่าด่าผมเลยนะครับ