源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>享学课堂</title> </head> <body> <h1>JavaScript 数组</h1> <p>数组使用数字下标访问元素.</p> <p id="demo"></p> <script> var person = ["John", "Doe", 46]; document.getElementById("demo").innerHTML = person[0]; </script> </body> </html>
运行结果