Truthy Falsy :

Null vs undefined:

Double equal (==):


The major features of React are:

  • It uses VirtualDOM instead of RealDOM considering that RealDOM manipulations are expensive.
  • Supports server-side rendering.
  • Follows Unidirectional data flow or data binding.
  • Uses reusable/composable UI components to develop the view.

What is Component:

  1. Class Component
  2. Funtion Component

What is State in react app?


Arrow Function:

Spread Operator(…):

Hoisting:


A journey with JavaScript

JavaScript String:

rafee abdullah

Front End React JS Developer

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