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javascriptのサンプル

JavaScript

Posted at 2023-02-23

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どうもミックです。IT系に転職を考えています。
今は勉強を始めて3ヶ月になります。
今はjavascript,phpを主に勉強しているので今やってることを記事に書いていきます。独学なのでコードは下手くそなのでご了承ください。
udemyのjavascriptのコースを勉強してみた。

index.html

<body>
  <div class="container">
    <div class="panel active" style="background-image: url('https://images.unsplash.com/photo-1624138784614-87fd1b6528f8?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=2066&q=80');">
      <h3>Explore The World</h3>
    </div>
    <div class="panel" style="background-image: url('https://images.unsplash.com/photo-1629259634957-e32a0c5c4f47?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1469&q=80');">
      <h3>Explore The World</h3>
    </div>
    <div class="panel" style="background-image: url('https://images.unsplash.com/photo-1598298388182-76077d53c943?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1374&q=80');">
      <h3>Explore The World</h3>
    </div>
    <div class="panel" style="background-image: url('https://images.unsplash.com/photo-1545251142-f32339076e6d?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80');">
      <h3>Explore The World</h3>
    </div>
    <div class="panel" style="background-image: url('https://images.unsplash.com/photo-1606503391282-df793e79b892?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80');">
      <h3>Explore The World</h3>
    </div>
  </div>
</body>

style.css

* {
  box-sizing: border-box;
}

body {
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.container {
  display: flex;
  width: 90vw;
}

.panel {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 80vh;
  border-radius: 50px;
  color: #fff;
  cursor: pointer;
  flex: 0.5;
  margin: 10px;
  position: relative;
  transition: flex 0.7s ease-in;
}

.panel h3 {
  font-size: 24px;
  position: absolute;
  bottom: 20px;
  left: 20px;
  margin: 0;
  opacity: 0;
}

.panel.active {
  flex: 5;
}

.panel.active h3 {
  opacity: 1;
  transition: opacity 0.3s ease-in 0.4s;
}

@media(max-width: 480px) {
  .container {
    width: 100vW;
  }

  .panel:nth-of-type(4),
  .panel:nth-of-type(5) {
    display: none;
  }
}

script.js

const panels = document.querySelectorAll('.panel');

panels.forEach((panel) => {
  panel.addEventListener('click', () => {
    removeActiveClasses()
    panel.classList.add('active')
  })
})

function removeActiveClasses () {
  panels.forEach( panel => {
    panel.classList.remove('active')
  } )
}

画像をクリックすると大きく広がるモーションになっています。

参考文献

https://unsplash.com/
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