{"success":true,"message":"Connection to JavaScript QnA route successful.","qnadata":{"id":1,"question":"What is the difference between var, let, and const in JavaScript?","answer":"var is function-scoped and can be redeclared. let is block-scoped and can be reassigned but not redeclared in the same scope. const is block-scoped and cannot be reassigned after initialization.","difficulty":"easy"}}