Most single seven topic for Strongly basic in the javascript-

1.Variable all things

2.DataType all things

3.Condition all things

4.function all things

5.Array all things

6.loop all things

7.Object all things

variable : variable is most important for an beginner level javascript programmer. we can use var cut of variable…


The most common JavaScript interview question that we should have known for all. Firstly I will prefer Data Types. Data Types are a common cause that we use most of the time. Let's start….

Truthy and Falsy values:

It's a common question that when JavaScript return True and false value. So, if you add…


React is defined as a JavaScript library for building user interfaces. React was created by Jordan Walke, a software engineer at Facebook, who released an early prototype of React called “FaxJS”. He was influenced by XHP, an HTML component library for PHP.

The first introduction of React JSX :

React allow writing HTML in JavaScript it's funny…


ES6 refers to version 6 of the ECMA Script programming language. It is a major enhancement to the JavaScript language and adds many more features intended to make large-scale software development easier.

Arrow function() : arrow function is very useful. An arrow function can declare the function name and curly…


Pop (): use this method to remove the last element of the array. When need or cancel the last element of the array then it's used.

Slice(): use this method, select specific elements of the array and get output in a new array.

Map (): use this method, can all…

Kazi Rayhan

Javascript programmer and learn more

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