<header>
  <h2 class="title">Властивість Array: constructor</h2>
  <p class="description">Демонструємо використання властивості Array.constructor.</p>
</header>
<main>
  <div class="result">
    <h3 class="result-title">Створені масиви:</h3>
    <pre id="data"></pre>
    <h3 class="result-title">Їх конструктори:</h3>
    <pre id="constructors"></pre>
  </div>
</main>

body {
  font-size: 16px;
  line-height: 1.5;
  font-family: monospace;
}

pre {
  color: #ff0000;
  letter-spacing: 1px;
}

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);
}

.result-title {
  font-weight: bold;
  color: #333;
}

let languages1 = ["JavaScript", "Java", "Python"];
let languages2 = new Array("C#", "Go", "Swift");
let emptyArray = new Array();

let data = [languages1, languages2, emptyArray];

let arrayStrings = [];
for(let array of data) {
  arrayStrings.push(JSON.stringify(array));
}

document.getElementById('data').innerText = arrayStrings.join('\n\n');

let constructors = [];
for (let i = 0; i < data.length; i++) {
  constructors.push('Масив ' + (i+1) + ': ' + 'конструктор - ' + data[i].constructor);
}

document.getElementById('constructors').innerText = constructors.join('\n');

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