代码示例:(标识:jsck_isarray)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数组</h1>

<p>如果对象是数组,则 Array.isArray() 方法返回 true,否则返回 false。</p>

<p id="demo"></p>

<script>
const fruits = ["Banana", "Orange", "Apple", "Mango"];
document.getElementById("demo").innerHTML = Array.isArray(fruits);
</script>

</body>
</html>
运行结果: