tic-tac-toe/script.js at master · dianpan/tic-tac-toe · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
$(document).ready(function(){
  var move = 1;
  var play = true;

  $("#board tr td").click(function(){
    if($(this).text() === "" && play) {
      if((move % 2) === 1) {
        $(this).append("X");
      } else {
        $(this).append("O");
      }
      move++;

      if(winnerCheck() !== -1 && winnerCheck() !== "") {
        if(winnerCheck() === "X"){
          alert("Player 1 wins!");
        } else {
          alert("Player 2 wins!");
        }
        play = false;
      }
    }
  });

  function winnerCheck(){
    var space1 = $("#board tr:nth-child(1) td:nth-child(1)").text();
    var space2 = $("#board tr:nth-child(1) td:nth-child(2)").text();
    var space3 = $("#board tr:nth-child(1) td:nth-child(3)").text();
    var space4 = $("#board tr:nth-child(2) td:nth-child(1)").text();
    var space5 = $("#board tr:nth-child(2) td:nth-child(2)").text();
    var space6 = $("#board tr:nth-child(2) td:nth-child(3)").text();
    var space7 = $("#board tr:nth-child(3) td:nth-child(1)").text();
    var space8 = $("#board tr:nth-child(3) td:nth-child(2)").text();
    var space9 = $("#board tr:nth-child(3) td:nth-child(3)").text();
    // check rows
    if      ((space1==space2) && (space2==space3)) { return space3; }
    else if ((space4==space5) && (space5==space6)) { return space6; }
    else if ((space7==space8) && (space8==space9)) { return space9; }
    // check columns
    else if ((space1==space4) && (space4==space7)) { return space7; }
    else if ((space2==space5) && (space5==space8)) { return space8; }
    else if ((space3==space6) && (space6==space9)) { return space9; }
    // check diagonals
    else if ((space1==space5) && (space5==space9)) { return space9; }
    else if ((space3==space5) && (space5==space7)) { return space7; }
    // no winner
    return -1;
  }

  $('#replay').click(function() {
    location.reload();
  });

});