Which of these statements define a function?

function add(a, b) {
return a + b;
}
var add = function() { return a + b };var a = add();add(10, 10);

Right on! We can use function declarations or function expression to define functions. Assigning a function in parentheses or using it with arguments invokes it.

Whoops! We can use function declarations or function expression to define functions. Assigning a function in parentheses or using it with arguments invokes it.