...rest in javascript code example

Example 1: the rest operator javascript

function sum(...numbers) {
	return numbers.reduce((accumulator, current) => {
		return accumulator += current;
	});
};
 
sum(1,2) // 3
sum(1,2,3,4,5) // 15

Example 2: rest parameter javascript

function addition(...nombre) {

    let resultat = 0
    
    nombre.forEach(nombre => {
       resultat+= nombre ;
    }); 

    console.log(resultat) ;
    
}

addition(4 ,9 ,5 ,415 ,78 , 54) ;