added functions for checking winner

index.html

@@ -19,19 +19,19 @@ <h1>Welcome to Tic Tac Toe</h1>
       <table>
         <tr class="top-row row">
           <!-- the onclick calls a function called "handleClick" and passes itself to it -->
-          <td id='top-left' onclick="handleClick(this)"></td>
-          <td id='top-middle' onclick="handleClick(this)"></td>
-          <td id='top-right' onclick="handleClick(this)"></td>
+          <td id='0-0' onclick="handleClick(this)"></td>
+          <td id='0-1' onclick="handleClick(this)"></td>
+          <td id='0-2' onclick="handleClick(this)"></td>
         </tr>
         <tr class="middle-row row">
-          <td id='middle-left' onclick="handleClick(this)"></td>
-          <td id='middle-middle' onclick="handleClick(this)"></td>
-          <td id='middle-right' onclick="handleClick(this)"></td>
+          <td id='1-0' onclick="handleClick(this)"></td>
+          <td id='1-1' onclick="handleClick(this)"></td>
+          <td id='1-2' onclick="handleClick(this)"></td>
         </tr>
         <tr class="bottom-row row">
-          <td id='bottom-left' onclick="handleClick(this)"></td>
-          <td id='bottom-middle' onclick="handleClick(this)"></td>
-          <td id='bottom-right' onclick="handleClick(this)"></td>
+          <td id='2-0' onclick="handleClick(this)"></td>
+          <td id='2-1' onclick="handleClick(this)"></td>
+          <td id='2-2' onclick="handleClick(this)"></td>
         </tr>
         <!-- @TODO create new rows and cells for the rest of your TTT board. -->
         <!-- @TODO give each new cell an id & an event listener to call the "handleClick" function -->

scripts.js

@@ -1,17 +1,17 @@
-//       ***********************
-//            INSTRUCTIONS
-//       ***********************
+// Go to the top your scripts.js file and create an array called board with three arrays inside of it. 
+// Each of these inner arrays should have three places held with empty quotes: "", separated by commas, ,.
 
-// 1. Read the code below one block at a time.
-// 2. Look for the @TODOs, and figure out how to fix them.
-    // next to each @TODO you will find tasks that need to be finished
+let board = [
+  ["", "", ""],
+  ["", "", ""],
+  ["", "", ""]
+];
+
+let winner;
 
 // The variable will change from X to O based on what player turn it is. We need to hold this so we can place an X or O on the board when they're clicked.
 let currentMarker = 'X'
 
-
-
-
 // this "handleClick" function is called when a box is clicked. Here, "element" will hold the same value as "this" does in the HTML. 
 // "this" is a special word in JS but "element" could have been "thing" or "el" or whatever we wanted it to be as long as we use it again in the "console.log" statement
 const handleClick = (element) => {
@@ -21,46 +21,36 @@ const handleClick = (element) => {
 
   // this next line prevents an X being changed to an O or an O being changed to an X by...
   //  checking to see if the square clicked has anything in it, if not continue
-  if(!document.getElementById(element.id).innerHTML){
+  if(!winner && !document.getElementById(element.id).innerHTML){
     addMarker(element.id)
   }
 }
 
-
-
-
-
-
-
-
-
-
-
 // this function places the "currentMarker" inside the HTML element that was clicked and calls the "changeMarker" function.
 const addMarker = (id) => {
 
-  // @TODO-1: Open the console tab in your Chrome Inspector Tool and click on the top-left square to see what's logged to the console. 
+  // Log the current marker
   console.log(`*** The current marker is:  ${currentMarker}. ***`)
   console.log(`Therefore, a  "${currentMarker}"  should be placed in the square with the id:  ${id}`)
 
-  // @TODO-2: Build a line of code that will set the innerHTML property of the element that was clicked to the "currentMarker"
-  document.getElementById(id).innerHTML = currentMarker;
-  // @TODO-2.5: MIX & MATCH, You will need the following pieces of code to build that line:
-  // = currentMarker
-  // .getElementById(id)
-  // document
-  // .innerHTML 
-
-  changeMarker()
-}
-
-
-
-
+  // Get the square that was clicked
+  const clickedSquare = document.getElementById(id);
 
+  // Determine what row/column the square was on based on its id
+  const row = parseInt(clickedSquare.id.charAt(0));
+  const column = parseInt(clickedSquare.id.charAt(2));
 
+  // Mark it in the data structure for the board
+  board[row][column] = currentMarker;
 
+  // Mark it in the html for the board
+  clickedSquare.innerHTML = currentMarker;
+
+  // Log the current state of the board
+  console.log(board);
 
+  checkForWin();
+}
 
 
 // This "changeMarker" function changes "X" to "O" in the "currentMarker" variable or "O" to "X"
@@ -73,14 +63,6 @@ const changeMarker = () => {
 }
 
 
-
-
-
-
-
-
-
-
 // This "resetBoard" function is called when the user clicks on the "Restart" button.
 const resetBoard = () => {
 
@@ -103,5 +85,67 @@ const resetBoard = () => {
 
     // sets the innerHTML to null to replace the "X" or "O"
     squares[i].innerHTML = null
-  }  
+  }
+
+  board = [
+    ["", "", ""],
+    ["", "", ""],
+    ["", "", ""]
+  ];
+  currentMarker = 'X';
+  winner = null;
+
+  console.log(board);
+}
+
+const checkForWin = () => {
+  if(horizontalWin() || verticalWin() || diagonalWin()) {
+    winner = currentMarker;
+    window.alert(`Player ${currentMarker} won!`)
+  } else {
+    changeMarker()
+  }
+}
+
+const horizontalWin = () => {
+  // Your code here to check for horizontal wins
+  if((board[0][0] == "X" && board[0][1] == "X" && board[0][2] == "X") 
+      || (board[0][0] == "O" && board[0][1] == "O" && board[0][2] == "O")
+      || (board[1][0] == "X" && board[1][1] == "X" && board[1][2] == "X") 
+      || (board[1][0] == "O" && board[1][1] == "O" && board[1][2] == "O")
+      || (board[2][0] == "X" && board[2][1] == "X" && board[2][2] == "X") 
+      || (board[2][0] == "O" && board[2][1] == "O" && board[2][2] == "O")
+    ){
+      return true;
+    }
+
+    return false;
+}
+
+const verticalWin = () => {
+  // Your code here to check for vertical wins
+  if((board[0][0] == "X" && board[1][0] == "X" && board[2][0] == "X") 
+    || (board[0][0] == "O" && board[1][0] == "O" && board[2][0] == "O")
+    || (board[0][1] == "X" && board[1][1] == "X" && board[2][1] == "X") 
+    || (board[0][1] == "O" && board[1][1] == "O" && board[2][1] == "O")
+    || (board[0][2] == "X" && board[1][2] == "X" && board[2][2] == "X") 
+    || (board[0][2] == "O" && board[1][2] == "O" && board[2][2] == "O")
+  ){
+    return true;
+  }
+
+  return false;
+}
+
+const diagonalWin = () => {
+  // Your code here to check for diagonal wins
+  if((board[0][0] == "X" && board[1][1] == "X" && board[2][2] == "X") 
+    || (board[0][0] == "O" && board[1][1] == "O" && board[2][2] == "O")
+    || (board[0][2] == "X" && board[1][1] == "X" && board[2][0] == "X") 
+    || (board[0][2] == "O" && board[1][1] == "O" && board[2][0] == "O")
+  ) {
+    return true;
+  }
+
+  return false;
 }