<header>
  <h2 class="title">element.style.animationPlayState</h2>
  <p class="description">Призупиняє або відновлює відтворення анімації для елемента.</p>
</header>
<main>
  <div class="result">
    <div class="box"></div>
    <div class="controls">
      <button id="playPauseButton">Призупинити</button>
    </div>
  </div>
</main>
body {
  font-size: 16px;
  line-height: 1.5;
  font-family: monospace;
}

header {
  background-color: #f1f1f1;
  margin-bottom: 25px;
  padding: 15px;
  -webkit-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  -moz-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}

header h2.title {
  padding-bottom: 15px;
  border-bottom: 1px solid #999;
}

header p.description {
  font-style: italic;
  color: #222;
}

.result {
  background-color: #f8f8f8;
  padding: 15px;
  -webkit-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  -moz-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}

.box {
  width: 100px;
  height: 100px;
  background-color: #333;
  animation-name: moveAnimation;
  animation-duration: 2s;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

@keyframes moveAnimation {
  from { transform: translateX(0); }
  to { transform: translateX(300px); }
}
const box = document.querySelector('.box');
const playPauseButton = document.getElementById('playPauseButton');

function toggleAnimation() {
  if (box.style.animationPlayState === 'paused') {
    box.style.animationPlayState = 'running';
    playPauseButton.textContent = 'Призупинити';
  } else {
    box.style.animationPlayState = 'paused';
    playPauseButton.textContent = 'Відновити';
  }
}

playPauseButton.addEventListener('click', toggleAnimation);

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