Add a log message

src/js/Game.js

@@ -31,6 +31,13 @@ export class Game
      */
     #board;
 
+    /**
+     * The element containing a log message.
+     *
+     * @type {HTMLElement}
+     */
+    #log;
+
     /**
      * The id of the element to add the board to.
      *
@@ -79,7 +86,14 @@ export class Game
                 class: "board"
             });
 
+        this.#log = elt(
+            "div",
+            {
+                class: "log"
+            });
+
         container.appendChild(this.#board);
+        container.appendChild(this.#log);
         this.draw();
     }
 
@@ -137,6 +151,18 @@ export class Game
                 board.appendChild(field);
             }
         }
+
+        board.appendChild(
+            elt(
+                "div",
+                {
+                    style: "clear: both;"
+                }));
+
+        this.#log.className = "";
+        this.#log.classList.add(this.state.currentPlayer);
+        this.#log.innerHTML = "";
+        this.#log.textContent = `It's player "${Constants.PLAYER_NAMES[this.state.currentPlayer]}"s turn`;
     }
 
     /**