<header>
  <h2 class="title">element.style.backgroundRepeat</h2>
  <p class="description">Визначає, як фонове зображення буде повторюватися всередині елемента.</p>
</header>
<main>
  <div class="result">
    <div id="backgroundElement" class="background-element"></div>
    <div class="controls">
      <label>
        <input type="radio" name="repeatOption" value="repeat" checked> Repeat
      </label>
      <label>
        <input type="radio" name="repeatOption" value="repeat-x"> Repeat-X
      </label>
      <label>
        <input type="radio" name="repeatOption" value="repeat-y"> Repeat-Y
      </label>
      <label>
        <input type="radio" name="repeatOption" value="no-repeat"> No-Repeat
      </label>
    </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);
}

.background-element {
  width: 300px;
  height: 300px;
  background-image: url('https://picsum.photos/100');
  background-repeat: repeat;
  margin-bottom: 15px;
}

.controls {
  display: flex;
  gap: 10px;
}

document.addEventListener('DOMContentLoaded', () => {
  const backgroundElement = document.getElementById('backgroundElement');
  const radioButtons = document.querySelectorAll('input[name="repeatOption"]');

  radioButtons.forEach(radio => {
    radio.addEventListener('change', (event) => {
      backgroundElement.style.backgroundRepeat = event.target.value;
    });
  });
});

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