源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>享学课堂</title> </head> <body> <h1>JavaScript 对象</h1> <p>JavaScript 使用名称访问对象属性.</p> <p id="demo"></p> <script> var person = {firstName:"John", lastName:"Doe", age:46}; document.getElementById("demo").innerHTML = person["firstName"]; </script> </body> </html>
运行结果