AVON Facility Management Services Interview Questions and Answers

JavaScript is a programming language used for creating interactive and dynamic web content.

• JavaScript is a high-level, interpreted language.

• It is primarily used for client-side web development.

• JavaScript can be used for server-side development with Node.js.

• It allows for the manipulation of HTML elements and CSS styles.

• JavaScript supports object-oriented programming and functional programming paradigms.

Yes, I have performed testing as a Backend Developer.

• Testing is an essential part of software development to ensure the functionality and reliability of the code.

• I have used Postman for API testing, sending requests and verifying responses.

• Other commonly used testing tools include JUnit for unit testing, Selenium for web application testing, and JMeter for performance testing.

• Testing can involve writing test cases, exe...read more

A callback is a function that is passed as an argument to another function and is executed later.

• Callbacks are commonly used in asynchronous programming to handle the completion of an operation.

• They allow functions to be executed after an event or a certain condition occurs.

• Callbacks can be used to handle user interactions, network requests, and file operations.

• Example: In JavaScript, the setTimeout function takes a ca...read more