console 命令行工具 X clear

console

var txt = '{"employees":[' +
'{"firstName":"Bill","lastName":"Gates" },' +
'{"firstName":"George","lastName":"Bush" },' +
'{"firstName":"Thomas","lastName":"Carter" }]}';

obj = JSON.parse(txt);

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

<h2>通过 JSON 字符串来创建对象</h2> 
 <p> First Name: <span id="fname"></span><br> Last Name: <span id="lname"></span><br> </p>