var txt='{"employees":[' +
'{"firstName":"Bill","lastName":"Gates" },' +
'{"firstName":"George","lastName":"Bush" },' +
'{"firstName":"Thomas","lastName":"Carter" }]}';
var obj = eval ("(" + txt + ")");
alert(obj.employees[1].lastName);
var employees = [
{ "firstName":"Bill" , "lastName":"Gates" },
{ "firstName":"George" , "lastName":"Bush" },
{ "firstName":"Thomas" , "lastName": "Carter" }
];
alert(employees[2].lastName);第一个txt为什么这么多引号和单引号？ eval ("(" + txt + ")") 该怎么解释？最佳答案
