Q. Diff between arrow functions and normal function Q. javascript prototype function and defining new function Q. prototype bind and apply Q. node js class constructor and functional constructor Q. middleware next() error handling. Q. cluster module uses in node js Q. small code snippets on promise handling Q. scope of let and var etc
API security
Choose correct output for a sample code.
What is the Serverless Framework? and why opt between EC2 and serverless
About yourself Project details and your KRAs Event Emitters, Middlewares and ExpressJs. Multitasking, async and await, Callbacks. What authorization technique you follow to secure an API. One logical questions "If someone stolen your JWT token how will you secure." JS practical questions. Diff between map, reduce and filter functions let str="Sehdev" //count characters occurence //output {s:1, e:2, h:1, d:1, v:1}
Implement the stack operations in any programming language.
- Evaluation of test by sharing screen. - Acid properties, Transactions and locking. - Why node is single threaded. - How can you scale a node js app vertically. - Do you consider Node js for cpu intensive tasks ? - Employee and Department and with 1 to many relation - Employee and Department and with many to many relation - Write a query to display all the departments having having no employee assigned w.r.t many to many relation.
Difference between return and callback in javsacript functions
Basic about node js
OOPS with Real time example of code , work or project related deep qtn.
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