What is typically the first argument passed to a node.js callback handler?
- 1 Answers
- 644 Views
- I also Faced
- E-Mail Answers
Answer / Sharad Vishwakarma
The first argument that is usually passed to a Node.js callback function is an error object (if any error occurred) or null if there was no error. If the data is successfully processed, it is typically passed as the second argument.
| Is This Answer Correct ? | 0 Yes | 0 No |
What is rest api in node js?
What is socket.io in node.js?
What types of tasks can be done asynchronously using the event loop?
What is V8 JavaScript Engine?
How to stop master process without suspending all of its child processes?
What is an event loop in node?
Why to use MongoDB?
What are lts releases? Why are they important?
What is ‘Callback’ in node.js?
What tools can be used to assure a consistent style in node.js?
Write a program to print 0 to n element in pyramid shape?
What is Child Process and Cluster? What are the difference?
ASP 
