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Top 10 Interview Questions and Answered for Web Developer of 2020

May 16, 2020 Java Script, JS, Front End, 493 Views
In this Article you get the top 10 of web developer interview questions answered.

Hello, today I would like to present a top 10 of web developer interview questions answered.

Don't forgot to save the post 😊😚 Ref : codinggame.com

Q1 : What is Coercion in JavaScript ?

Type coercion is the process of converting value from one type to another.

Q2 : What is blockchain ?

Blockchain is a secure distributed ledger (data structure or database) that maintains a continuously growing list of ordered records, called “blocks”, that are linked using cryptography.

Q3 : What is Design Patterns and why anyone should use them ?

Design patterns are a well-described solution to the most commonly encountered problems which occur during software development.

Q4 : What is meant by Continuous Integration ?

CI is a development practice that requires developers to integrate code into a shared repository several times a day. Each check-in is then verified by an automated build, allowing teams to detect problems early.

Q5 : What is npm ?

npm stands for Node Package Manager. It provides 2 main functionalities:
Online repositories for node.js packages/modules which are searchable on search.nodejs.org
Command line utility to install packages, do version management and dependency management of Node.js packages.

Q6 : What is webpack ?

Webpack is a build tool that puts all of your assets, including Javascript, images, fonts, and CSS, in a dependency graph. It lets you use require() in your source code to point to local files.

Q7 : What is Sprint Planning ?

planned at the Sprint Planning. This plan is created by the collaborative work of the entire Scrum Team.
Sprint Planning answers the following : - What can be delivered in the Increment resulting from the upcoming Sprint? - How will the work needed to deliver the Increment be achieved?

Q8 : What is test driven development ?

In this method, developer first writes an automated test case which describes new function or improvement and then creates small codes to pass that test.

Q9 : Explain Null and Undefined in JavaScript

undefined : Something hasn't been initialized.
null : Something is currently unavailable.

Q10 : What is the difference between span and div?

div is a block elemt
span is inline elemt

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