<html><body><h2>JavaScript 数组</h2><p>JavaScript 数组元素是使用数字索引（从 0 开始）访问的。</p><p id="demo"></p><script>var fruits = ["香蕉","橙子","苹果","芒果"];var first = fruits[0];document.getElementById("demo").innerHTML = first;</script></body></html>