$ njs
interactive njscript

v.<Tab> -> the properties and prototype methods of v.
type console.help() for more information


>> var my_data = '{"colors":[{"name":"red","fancy":"brick dust"}, {"name":"blue","fancy":"sea spray"}]}';
>> var my_object = JSON.parse(my_data);
>> my_object.colors[1].fancy;
sea spray
>>


I found this in https://www.nginx.com/blog/nginx-plus-r14-released/ ,but where can I download?