Initial data commit

Task/Nim-game/JavaScript/nim-game.js

@@ -0,0 +1,51 @@
+class Nim {
+	constructor(tokens, printFun) {
+		this.startTokens = tokens;
+		this.tokens = tokens;
+		this.printFun = printFun;
+	}
+
+	playerTurn(take) {
+		take = Math.round(take);
+
+		if (take < 1 || take > 3) {
+			this.printFun("take must be between 1 and 3.\n")
+			return false;
+		}
+		this.tokens -= take;
+		this.printFun("Player takes " + take + " tokens.");
+		this.printRemaining()
+
+		if (this.tokens === 0) {
+			this.printFun("Player wins!\n");
+		}
+		return true;
+	}
+
+	computerTurn() {
+		let take = this.tokens % 4;
+		this.tokens -= take;
+		this.printFun("Computer takes " + take + " tokens.");
+		this.printRemaining();
+
+		if (this.tokens === 0) {
+			this.printFun("Computer wins.\n");
+		}
+
+	}
+
+	printRemaining() {
+		this.printFun(this.tokens + " tokens remaining.\n");
+	}
+}
+
+
+let game = new Nim(12, console.log);
+while (true) {
+	if (game.playerTurn(parseInt(prompt("How many tokens would you like to take?")))){
+		game.computerTurn();
+	}
+	if (game.tokens == 0) {
+		break;
+	}
+}