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1. 코드

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Sort Without Articles</title>
</head>
<body>

  <style>
    body {
      margin: 0;
      font-family: sans-serif;
      background: url("https://source.unsplash.com/nDqA4d5NL0k/2000x2000");
      background-size: cover;
      display: flex;
      align-items: center;
      min-height: 100vh;
    }

    #bands {
      list-style: inside square;
      font-size: 20px;
      background: white;
      width: 500px;
      margin: auto;
      padding: 0;
      box-shadow: 0 0 0 20px rgba(0, 0, 0, 0.05);
    }
    
    #bands li {
      border-bottom: 1px solid #efefef;
      padding: 20px;
    }
    
    #bands li:last-child {
      border-bottom: 0;
    }

    a {
      color: #ffc600;
      text-decoration: none;
    }

  </style>

  <ul id="bands"></ul>

<script>
const bands = ['The Plot in You', 'The Devil Wears Prada', 'Pierce the Veil', 'Norma Jean', 'The Bled', 'Say Anything', 'The Midway State', 'We Came as Romans', 'Counterparts', 'Oh, Sleeper', 'A Skylit Drive', 'Anywhere But Here', 'An Old Dog'];


</script>

</body>
</html>

2. 결과

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Sort Without Articles</title>
</head>
<body>

  <style>
    body {
      margin: 0;
      font-family: sans-serif;
      background: url("https://source.unsplash.com/nDqA4d5NL0k/2000x2000");
      background-size: cover;
      display: flex;
      align-items: center;
      min-height: 100vh;
    }

    #bands {
      list-style: inside square;
      font-size: 20px;
      background: white;
      width: 500px;
      margin: auto;
      padding: 0;
      box-shadow: 0 0 0 20px rgba(0, 0, 0, 0.05);
    }
    
    #bands li {
      border-bottom: 1px solid #efefef;
      padding: 20px;
    }
    
    #bands li:last-child {
      border-bottom: 0;
    }

    a {
      color: #ffc600;
      text-decoration: none;
    }

  </style>

  <ul id="bands"></ul>

<script>
const bands = ['The Plot in You', 'The Devil Wears Prada', 'Pierce the Veil', 'Norma Jean', 'The Bled', 'Say Anything', 'The Midway State', 'We Came as Romans', 'Counterparts', 'Oh, Sleeper', 'A Skylit Drive', 'Anywhere But Here', 'An Old Dog'];

function strip(bandName) {
  return bandName.replace(/^(a |the |an )/i, '').trim();
}

const sortedBands = bands.sort((a, b) => strip(a) > strip(b) ? 1 : -1);

document.querySelector('#bands').innerHTML =
  sortedBands
    .map(band => `<li>${band}</li>`)
    .join('');

console.log(sortedBands);

</script>

</body>
</html>

3. 리뷰

replace로 관사들을 공백처리하여 없애준다.

trim()이란 문자열의 앞뒤 공백을 없애주는 것이다.

만약 sort를 할때 맨앞이 공백이라면 sort값이 이상하게 나올수 있기때문에 trim을 한것이다.

 

 

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