1// (param1, param2, paramN) => expression
2
3// ES5
4var multiplyES5 = function(x, y) {
5  return x * y;
6};
7
8// ES6
9const multiplyES6 = (x, y) => { return x * y };
10

1multiplyfunc = (a, b) => { return a * b; }

1function editInLocalStorage(value, id) {
2    let listItem = getLocalStorage();
3    listItem = listItem.filter((item) => {
4        if (item.id === id) {
5            item.value = value;
6        }
7        return item;
8    });
9}