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JS refresher

Function Expression vs Function Declaration vs Anonymous Function in JavaScript

//function declaration 
function sum(a,b){
	return a+b;
}

//function expression
// function expression first need to declare then only we can use
let sum = function (a,b){
	return a+b; 
}
//fat arrow function
const sum = (a,b) => {
	return a+b; 
}

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