JSON.parse(text [, reviver]) //字符串到js对象JSON.stringify(value [, replacer] [, space]) //js对象到字符串var a='{"k1":"v1","k2":"v2","k3":"v3"}'var r=JSON.parse(a,function(key,value){console.log(key+' >> '+JSON.stringify(value));return value});//k1 >> "v1"//k2 >> "v2"//k3 >> "v3"// >> {"k1":"v1","k2":"v2","k3":"v3"}var b={a:'qwe',b:'asd',c:'zxc'}JSON.stringify(b,function(key,value){console.log(key+' >> '+value);return value;}) //>> [object Object] //a >> qwe //b >> asd //c >> zxc//"{"a":"qwe","b":"asd","c":"zxc"}"