
* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
강의 내용 그대로 따라했을 때 "$('#cards-box').append(temp_html)" 작성하기 전까지는 문제 없이 됐는데,
해당 코드를 입력하고 나서, 카드가 추가되지 않았습니다.
그래서 강의 처음부터 다시 따라할수록 에러가 더 뜨는 상황입니다 ㅠㅠㅠ
let temp_html = ` <div class="col">
<div class="card">
<img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">${title}.</h5>
<p class="card-text">여기에 내용이 들어갑니다.</p>
<p> ⭐⭐⭐</p>
<p class="mycomment"> 여기에 코멘트가 들어갑니다</p>
</div>
</div>
</div>`
여기서도 <h5 class="card-title">${title}.</h5> 내용에 원래 '여기에 제목이 들어갑니다'로 되어 있던 것을 수업 노트보고 따라서 ${title}. 작성했는데도 변화가 없습니다.

<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script> <title>스파르타코딩클럽 | 부트스트랩 연습하기</title> <link href="https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap" rel="stylesheet"> <style> * { * { font-family: 'Gowun Dodum', sans-serif; } } .mytitle{ background-color: green; height:250px; width:100%; background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("https://movie-phinf.pstatic.net/20210715_95/1626338192428gTnJl_JPEG/movie_image.jpg"); background-position: center; background-size: cover; color: white; display:flex; flex-direction: column; justify-content: center; align-items: center; } .mytitle > button{ width: 200px; height: 50px; background-color: transparent; color: white; border-radius: 50px; border: 1px solid white; margin-top: 10px; } .mytitle > button:hover { border: 2px solid white; } .mycomment { color: gray; } .wrap { max-width:1200px; width: 95%; margin: 20px auto 0px auto; } .mypost { max-width: 500px; width: 95%; margin: 20px auto 0px auto; box-shadow: 0px 0px 3px 0px gray; padding:20px; } .mybutton { display: flex; flex-direction: row; align-items: center; justify-content: center; margin-top: 10px; } .mybutton > button { margin-right: 10px; } </style> <script> </script> </head> <body> <div class="mytitle"> <h1>내 생애 최고의 영화들</h1> <button onclick="hey()">영화 기록하기💜</button> </div> <div class="mypost" id="post-box"> <div class="form-floating mb-3"> <input type="영화URL" class="form-control" id="url" placeholder="name@example.com"> <label for="floatingInput">영화URL</label> </div> <div class="input-group mb-3"> <label class="input-group-text" for="inputGroupSelect01">별점</label> <select class="form-select" id="inputGroupSelect01"> <option selected>선택하기</option> <option value="1">⭐</option> <option value="2">⭐⭐</option> <option value="3">⭐⭐⭐</option> <option value="4">⭐⭐⭐⭐</option> <option value="5">⭐⭐⭐⭐⭐</option> </select> </div> <div class="form-floating"> <textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea"></textarea> <label for="floatingTextarea">코멘트</label> </div> <div class="mybutton"> <button type="button" class="btn btn-dark">기록하기</button> <button type="button" class="btn btn-outline-dark">닫기</button> </div> </div> <div class="wrap"> <div id="cards-box" class="row row-cols-1 row-cols-md-4 g-4"> <div class="col"> <div class="card"> <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg" class="card-img-top" alt="..."> <div class="card-body"> <h5 class="card-title">${title}.</h5> <p class="card-text">여기에 내용이 들어갑니다.</p> <p> ⭐⭐⭐</p> <p class="mycomment"> 여기에 코멘트가 들어갑니다</p> </div> </div> </div> <div class="col"> <div class="card"> <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg" class="card-img-top" alt="..."> <div class="card-body"> <h5 class="card-title">여기에 제목이 들어갑니다.</h5> <p class="card-text">여기에 내용이 들어갑니다.</p> <p> ⭐⭐⭐</p> <p class="mycomment"> 여기에 코멘트가 들어갑니다</p> </div> </div> </div> <div class="col"> <div class="card"> <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg" class="card-img-top" alt="..."> <div class="card-body"> <h5 class="card-title">여기에 제목이 들어갑니다.</h5> <p class="card-text">여기에 내용이 들어갑니다.</p> <p> ⭐⭐⭐</p> <p class="mycomment"> 여기에 코멘트가 들어갑니다</p> </div> </div> </div> <div class="col"> <div class="card"> <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg" class="card-img-top" alt="..."> <div class="card-body"> <h5 class="card-title">여기에 제목이 들어갑니다.</h5> <p class="card-text">여기에 내용이 들어갑니다.</p> <p> ⭐⭐⭐</p> <p class="mycomment"> 여기에 코멘트가 들어갑니다</p> </div> </div> </div> </div> </div> </body> </html>
