我試圖在點擊時再次附加相同的代碼。我的“education_wrap”類現在是空的。除此之外，我現在剛剛添加了內聯 CSS。var max_fields = 5; //maximum input boxes allowedvar wrapper = $(".education_wrap"); //Fields wrappervar add_button = $("#add_education"); //Add button ID    $(add_button).click(function(e){    e.preventDefault();    var total_fields = wrapper[0].childNodes.length;    if(total_fields < max_fields){        $(wrapper).append('<p style="font-weight:bold;">Institute Name<span class="required">*</span></p><div class="item"><input type="text" id="institute" name="institute" placeholder="Institute Name" required/></div><p style="font-weight:bold;">Degree Name<span class="required">*</span></p><div class="item"><input type="text" id="degree" name="degreen" placeholder="Bachelor of Engineering in Software Engineering, etc." required/></div><p style="font-weight:bold;">From<span class="required">*</span></p><div class="item"><input type="date" id="from_date" name="from_date" value="2020-07-22" required/></div><p style="font-weight:bold;">To<span class="required">*</span></p><div class="item">                    <input type="date" id="to_date" name="to_date" value="2020-07-22" required/></div></div>'); //add input box      }});<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <form><h3 style="font-weight: bold;">Education</h3>        <div class="education_wrap">        <p style="font-weight:bold;">Institute Name<span class="required">*</span></p>          <div>                                <input type="text" id="institute" name="institute" placeholder="Institute Name" required/>          </div>另外，我無法理解如何使用 POST 方法一次提交多組信息。請指導。