js function object spread parameter 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: spread operator javascript

[a, b, ...objIteravel] = [1, 2, 3, 4, 5];