Question

Why does the Node rely on event handlers? (a) APIs are synchronous (b) APIs are asynchronous (c) APIs are reusable (d) APIs are modular This question was posed to me in an interview. The question is from Asynchronous I/O with Rhino in division Server-Side and Client-Side Scripting of JavaScript Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

Answer 1

Correct answer is (b) APIs are asynchronous The best I can explain: For handling the spontaneous events occurring on the web page the event handlers are important. Because the APIs are asynchronous, Node relies on event handlers, which are often implemented using nested functions and closures.