In this case, we're using the fullscreen option, which makes the drawing area take up the entire browser window. If we wanted our drawing area to have a specific size, we could use the width and height properties instead; these both take a number for a pixel value. There's also the autostart parameter; if this is set to true, any animations will run right away when the page is loaded. There's also
![Drawing With Two.js | Envato Tuts+](https://cdn-ak-scissors.b.st-hatena.com/image/square/b96bce41f9d067a58cc7a3ca0a5ee92ad25a955d/height=288;version=1;width=512/https%3A%2F%2Fcdn.tutsplus.com%2Fnet%2Fuploads%2F2013%2F05%2Ftwo-js-400.jpg)