What is React? React is a JavaScript library for building user interfaces. Library is a collection of code, by re-using it we can make our application. React works as like this. React use some collection of Vanilla JavaScript code and create application, website, mobile application and desktop application user interface. How do we use React? When we use…

Block Bindings In JavaScript when we use variable, we actually bind it. So what is binding? When we declare and/or initialize a variable, we actually bind a value to in its name inside the scope of the program. var x; let y; const z = nextValue; Var Declarations and Hoisting var a = 5; if (true){…

Math.Abs( ) In JavaScript Math.Abs return absolute value. What is absolute value? Absolute value is always positive value. Math.Abs (-4) = 4 Math .ceil( ) In JavaScript Math.ceil return greater value Math.ceil(1.1) = 2 Math.ceil(1.6) = 2 Math.floor( ) In JavaScript Math.floor return Round number Math.floor (3.2) = 3 Math.floor (3.6) = 3 Math.min( ) In JavaScript Math.min return…

JavaScript is most powerful browser based scripting language. Now days it is used an incredible number of high-profile applications. JavaScript was created in 1995 by Brendan Eich. JavaScript is a dynamic language for its types and operators structure . Number String Boolean Function Object (Function, Array, Date RegExp) Symbol (new…