diff --git a/examples/tsoding_snake/tsoding_snake.c b/examples/tsoding_snake/tsoding_snake.c
index 32cbdf5..912ff66 100644
--- a/examples/tsoding_snake/tsoding_snake.c
+++ b/examples/tsoding_snake/tsoding_snake.c
@@ -710,6 +710,9 @@ void game_update(f32 dt)
         if (IsKeyPressed(KEY_R)) {
             game_restart(game.width, game.height);
         }
+        if ((IsKeyDown(KEY_LEFT_ALT) || IsKeyDown(KEY_RIGHT_ALT)) && IsKeyPressed(KEY_ENTER)) {
+            ToggleFullscreen();
+        }
 
         game.step_cooldown -= dt;
         if (game.step_cooldown <= 0.0f) {
diff --git a/raylib.js b/raylib.js
index a6a0154..60c7ed4 100644
--- a/raylib.js
+++ b/raylib.js
@@ -117,6 +117,18 @@ class RaylibJs {
         return false;
     }
 
+    IsWindowFullscreen() {
+        return document.fullscreenElement && document.fullscreenElement === this.ctx.canvas;
+    }
+
+    ToggleFullscreen() {
+        if (this.IsWindowFullscreen()) {
+            document.exitFullscreen()
+        } else {
+            this.ctx.canvas.requestFullscreen();
+        }
+    }
+
     SetTargetFPS(fps) {
         console.log(`The game wants to run at ${fps} FPS, but in Web we gonna just ignore it.`);
         this.targetFPS = fps;