_.memoize applicable scenario is what?
<p>I learning underscorejs _.memoize method, I want to know his applicable scenario.
dizzy! dizzy! not to understand the API what is saying.</p>

<pre><code>var fibonacci = _.memoize(function(n) {
    return n &lt; 2 ? n: fibonacci(n - 1) + fibonacci(n - 2);
});
</code></pre>