Summary of methods for converting json format strings into javascript objects or arrays

The first one

JSON.parse(jsonString)

The second one

eval("("+jsonString+")")

The third one

var obj=(function ToJSON(o){
 if(typeof(o)=="string")try{return new Function("return "+o)();}catch(e){return null;}
})("[{name:'zhangsan',age:'24'},{name:'lisi',age:'30'},{name:'wangwu',age:'16'},{name:'tianqi',age:'7'}]");
for(var b in obj)alert(obj[b].name);