点击运行
<!DOCTYPE html> <html> <body> <h1>JavaScript 数组</h1> <p>当在数组上使用时，instanceof 运算符返回true：</p> <p id="demo"></p> <script> var fruits = ["Banana", "Orange", "Apple", "Mango"]; document.getElementById("demo").innerHTML = fruits instanceof Array; </script> </body> </html>
运行结果
