W3School TIY
编辑您的代码：
<html> <body> <h2>通过 JSON 字符串来创建对象</h3> <p>First Name: <span id="fname"></span></p> <script type="text/javascript"> var employees = [ { "firstName":"Bill" , "lastName":"Gates" }, { "firstName":"George" , "lastName":"Bush" }, { "firstName":"Thomas" , "lastName": "Carter" } ]; employees[1].firstName="Jobs"; document.getElementById("fname").innerHTML=employees[1].firstName; </script> </body> </html>
查看结果: