Simple Arrow Function Using JavaScript

let ArrowFunction = (a, b) => 5 * 7;
// Created a variable arrowFunction and initialized a ,b  
// in it and passing the parameters to the arrowfunction 

console.log(ArrowFunction());

let ArrowFunction = () => "Hello World";
// Created a variable arroFunction and did not initialize any value
// in it and the parameter is being passed to the arrowfunction

console.log(ArrowFunction());

let country = ["India", "Bangladesh", "Srilanka", "China"];
//Defined variable country and initialize array string value

console.log(country.map((country) => country.length));
//Defined variable country and passed some string values in it array
//called all strings via string.map
//Shows the length of all index values count word