Some topics about React that you must need to know — Some topics about React that you must need to know What is React React is an open-source, front end, JavaScript library. It is not a framework. React follows the Unix philosophy. It is maintained by Facebook. It is a User Interface (UI) library. React is a tool for building UI components. DOM DOM is…

Primitive Values — Primitive values are numbers and strings, among other things. All primitive values have something in common. There are 7 primitive data types: Undefined, Null, Boolean, Number, String, Symbol, and BigInts. ● Undefined​ (undefined), used for unintentionally missing values. ● Null​ (null), used for intentionally missing values. ● Booleans​ (true and false), used…

In ES6 JavaScript has 6 types of Data: — In ES6 JavaScript has 6 types of Data: Number, String, Boolean, Function, Object, Symbol Number: JavaScript Numbers are Always 64-bit Floating Point. We can convert a string to an integer using the built-in parseInt() function. Similarly we can parse floating point numbers using the built-in parseFloat() function.