通过 JSON 字符串来创建对象

First Name: 
 
Last Name: 
 
 

//txt为字符串
var txt = '{"employees":[' +
'{"firstName":"Bill","lastName":"Gates" },' +
'{"firstName":"George","lastName":"Bush" },' +
'{"firstName":"Thomas","lastName":"Carter" }]}';
//通过eval()方法
//var obj = eval ("(" + txt + ")"); 
//通过JSON解析
//obj = jQuery.parseJSON(txt);
obj = JSON.parse(txt);

document.getElementById("fname").innerHTML=obj.employees[1].firstName 
document.getElementById("lname").innerHTML=obj.employees[1].lastName