aaa
bbbvar initial = {a: 1};
function reducer(bar, foo = initial) {
console.log(foo);
var baz = Object.assign({}, foo, bar);
var ar = [1, {f: 2}, 3];
var copy = [...ar, 4];
}
var initial = {a: 1};
function reducer(bar, foo = initial) {
console.log(foo);
var baz = Object.assign({}, foo, bar);
var ar = [1, {f: 2}, 3];
var copy = [...ar, 4];
}