" href="monitor.html">Monitor guide</a></li>
</ul>
<p>GLFW provides many kinds of input. While some can only be polled, like time, or only received via callbacks, like scrolling, there are those that provide both callbacks and polling. Where a callback is provided, that is the recommended way to receive that kind of input. The more you can use callbacks the less time your users' machines will need to spend polling.</p>
<p>All input callbacks receive a window handle. By using the <a class="el" href="window.h