Interview Question

Hello, JavaScript developer what’s up? Today in this article we discuss some important js interview questions, that can help you in your interview.

1. Use Only One Method to create, read, update and delete Elements in Array.

I think you are thinking about this how can I do this. it is a very simple javascript that gives us an awesome method to do this.

This is array.splice() method

The splice() method changes the contents of an array by removing or replacing existing elements and/or adding new elements in place.

Now we show how to do this with one method.

here names.lenght refer the last index…

React js

ReactJS presents graceful solutions to a number of the front-end programming’s most persistent issues. It’s fast, scalable, flexible, powerful, and features a robust developer community that’s rapidly growing. There’s never been a far better time to find out React.

React Virtual DOM

If you are using React or learning React, you must have heard of the term “Virtual DOM”. Now what is a Virtual DOM, and why does React use it?

Virtual DOM

That’s where the concept of virtual DOM comes in and performs significantly better than the real DOM. The virtual DOM is only a virtual representation of the DOM. …

Some ES6 features

JavaScript ES6 brings new syntax and new awesome features to make your code more modern and more readable. It allows you to write less code and do more. ES6 introduces us to many great features.

1. Default Parameters in ES6

Default function parameters allow named parameters to be initialized with default values if no value or undefined is passed.

function multiply(x, y= 1) {
return x* y;
console.log(multiply(9, 2));
// expected output: 18
// expected output: 9

2. Template Literals in ES6

Template Strings use back-ticks (``) rather than the single or double quotes we're used to with regular strings. …

Nowadays, JavaScript is the most popular programming language in the world. If you think you start learning javascript. It would be best if you understood the basics of javascript. In this article, I am going to share some knowledge about the fundamental of javascript. Mainly javascript stands for seven types of Data.

JavaScript types are:

  • String
  • Boolean
  • Symbol
  • Object ( Function , Array , Date, RegExp )
  • null
  • undefined

In this article, we discuss string, Number, and Array.

String: String means to store any characters or text inside double or single quotes. …

Al Mahamud Murad

MERN Stack Developer

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