I had prepared myself for the interview on so many low-level details that I was actually thrown by a really basic, high-level question: "have you used any design patterns lately?" I blanked.
Senior Javascript Developer Interview Questions
144 senior javascript developer interview questions shared by candidates
When would you use Java vs. Node.js for backend services?
- How does the internals of an Array work in C++? - What is the difference between RAM and Stack? - Give an example of a higher-order function? - What is a linked-list?
write code to unique object array from var obj = [ { name: 'xyz', id: '1' }, { name: 'abc', id: '2' }, { name: 'xyz', id: '1' }, { name: 'pqr', id: '3' }, ];
what is currying in the javascript Currying is a technique used to transform a function with multiple arguments into a sequence of nested functions, each taking a single argument. The curried function returns a new function for each argument until all arguments are provided, and then it finally returns the result. This technique allows for partial application of a function, meaning you can pass some arguments now and the rest later.
What is an event loop?
1-he asked about the functionality of Map object in JavaScript
the argument of reduce and forEach and map in arrays
How does Node handle multiple threads?
Why did you want to join the company?
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