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After the folder is renamed, the input box loses focus and the input disappears. Get the value of the input box so that the text value of its parent tag is the input value. How to achieve this?

htmlcode

<p class="subject_folder_box hidden">
    <ul class="subject_folder_ul">
        <li class="subject_li_1">
            <a><span class="folder_name">默認文件夾</span>（<span class="floder_num">1</span>）</a>
        </li>
    </ul>
    <p class="subject_edit_li">
        <a title="添加" class="add_subject js_add" id=""></a>
        <a title="編輯" class="edit_subject js_edit" id=""></a>
    </p>
</p>

js code

//編輯文件夾
$(".js_edit").click(function(){
    $(".subject_folder_ul li a").append("<a title='重命名' class='edit_subject js_edit1' id=''></a>");
});
//重命名文件夾
$(".js_edit1").live("click",function(){
    $(this).hide();
    var txt=$(this).siblings(".folder_name").text();
    $(this).parents("a").find(".folder_name").empty();
    $(this).parents("a").find(".folder_name").append("<input type='text' name='' maxlength='10' id='' value='"+txt+"'/>");
});
//添加文件夾
$(".js_add").click(function(){
    $(".subject_folder_ul").append("<li><input type='text' name='' maxlength='10' id='' placeholder='請輸入子類名稱'/></li>");
});

//input輸入框失去焦點
$(".subject_li_1 input").on("blur",function(){
    var value=$(this).val();
    $(this).remove();
    $(this).parents(".folder_name").text(value);
});