Some important topics

Truthy value means the truth value of a variable ,if the variable declares a false value then the value as a string type .this …


React (also known as React.js or ReactJS) is an open source, front-end, JavaScript Library for building user interfaces or UI components

1. Create React App

Create React App is a comfortable environment for learning React, and is the best way to start building a new single-page application in React.

npx create-react-app my-app

2. React is all about components

Components is…


Block Binding

The variable declaration is a tricky things in all programming language.in most other language variable are created at spot where the declared variable are occurred. In JavaScript variable are actually created depends on how we declare them .And then ES6 make it easier to us

Var Declarations and Hoisting

Var declaration is acted like…


.toLowerCase()

This is a method that is use to make a string value to all lower case item..

whether it would lowercase or uppercase

Example :

const speech=“This is a book”
console.log(speech.toLowerCase());

Output: “this is a book”

.toUpperCase()

This is a method that is use for turn all the string to uppercase…

Md Asifuzzaman Suvo

JavaScript Lover

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