javascript interview questions

Problem Solving Related

Problem-solving is common in interview boards. If you want to a developer, you have to know minimum knowledge of problem-solving. In an interview, there is some common problem-solving questions that I talk about now.

Let’s see which type of questions to be asked on the interview board.

  1. Find the largest element of an array.

Another Problem Solving Questions You need to know

If the job you are applying for requires you to think solve problems, you may be asked…


react galaxy

Is React library or Framework?

React is known as a small library of Javascript. It’s not exactly a framework. React focuses on one thing that is building user interfaces. extremely easy to mix it with other 3rd party libraries. It is a declarative, efficient, and flexible javascript library.

About Virtual DOM

Virtual DOM is a process where ideal or virtual representation kept in memory and this process is called Virtual DOM. Link a library with real DOM such as a reactDOM .VDOM has power, properties, method same as DOM. VDOM statement looks like a tree.

How Virtual DOM works

React…


Style guide for making code prettier

Every junior developer should know about standard coding styles. This is actually the art of programming-make self code prettier, readable.

Semicolons

To use them, or not to use them…

Nowadays freshers are getting confused about whether they will use semicolons or not!! Because some people decided to avoid semicolons in javascript. But a semicolon should be present after each statement, even if it could possibly be skipped. In JavaScript, though, there are cases where a line break is not interpreted as a semicolon, leaving the code vulnerable to errors.

If

When we use if condition we should make sure that…


Are you want to start with javascript strings? Ok. You are on the right track. Now let’s talk about some magical javascript strings. After knowing about those strings, I’ll sure you would fall love in with javascript more than before.

1. concat()

this method concatenates two strings and returns a new string. Have you ever heard about it whether a string can concatenate with another? It’s been really exciting method you should know about it.

const str1 = ‘Aktaruzzaman’;
const str2 = ‘Joti’;

console.log(str1.concat(‘ ‘, str2));
output: “Aktaruzzaman Joti”

2. slice()

if you want to be a javascript developer, this…


Animations are the important parts of UX that give an additional feel to the users and add some awesomeness to the application. But implementing animations is not that easy especially when you have to keep all the users and devices in mind. So, we have to think out for a simplified and optimized way to create and manage the animations.

Someone said — “Animations give life to the UI components”.

React is a well-established front-end library now and almost everything is possible with it. There are multiple options of doing anything in React and so is the same with animations…


React is defined as a JavaScript library for building user interfaces. Let’s start by talking about the two different parts of this definition.

React is a JavaScript “library”. It is not exactly a “framework”. It is not a complete solution and you will often need to use more libraries with React to form any solution. React does not assume anything about the other parts in any solution.

Frameworks serve a great purpose, especially for young teams and startups. When working with a framework, many smart design decisions are already made for you, which gives you a clear path to focus…


As a developer, we all have a mission, that we want to go and dreaming of touch the sky. If you are on your way to learning development, you have a ton of questions. Hopefully, these things will give you to confidence to go and try javascript today.

1.Data Types

In javascript, you need to know about what is the difference between string and numbers, arrays and objects, and when to use them at in right time.

2. Know Functions

It is very important to you because you have to use functions everywhere. We use functions to reduce the code, optimize the code and make…


learning Javascript

As a developer, we all have a mission, that we want to go and dreaming of touch the sky. If you are on your way to learning development, you have a ton of questions. Hopefully, these things will give you to confidence to go and try javascript today.

1.Data Types

In javascript, you need to know about what is the difference between string and numbers, arrays and objects, and when to use them at in right time.

2. Know Functions

It is very important to you because you have to use functions everywhere. We use functions to reduce the code, optimize the code and make…

Aktaruzzamanjoti

I'm a curious Web developer who is hungry to know about development

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