edfuh

/// RECURSIVE

var fib = function (n) {
    return n < 2 ? n : fib(n-1) + fib(n-2);
}

/// MEMOIZED

var memo = [0,1];
var fib = function(n) {

zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')