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HTML

              
                <h1 class="text-center">Simon Game</h1>
<div class="container text-center">
  <h3 id="round">Round: </h3>
  <div class="circle">
    <div class="tile" id="green"></div>
    <div class="tile" id="red"></div>
    <div class="tile" id="yellow"></div>
    <div class="tile" id="blue"></div>
  </div>
  <a class="btn strict btn-default">Strict: On</a>
  <a class="btn start btn-default">Start</a>
  <a class="btn reset btn-default" onclick="reset()">Reset</a>

  <div style="position: relative">
    <p class="makenr text-ceter" style="position: fixed; z-index: -1;bottom: 0; width:100%; text-align: bottom;">Made with
      <i class="fa fa-heart" style="color: #cc0000"></i> by
      <a target="_blank" href="https://github.com/Teo03">Teo
                </a>
    </p>
  </div>

  <!-- container !-->
</div>
              
            
!

CSS

              
                html * {
  text-align: center;
  background-color: #d3d3d3;
}

h1 {
  font-size: 60px;
  padding-bottom: 10px;
}

h3 {
  padding-bottom: 30px;
}

.circle {
  background: #d3d3d3;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 10px solid gray;
  margin: auto;
}

.tile {
  height: 150px;
  width: 150px;
  float: left;
  cursor: pointer;
}

#red {
  background-color: red;
  border-top-right-radius: 100%;
}

#green {
  background-color: green;
  border-top-left-radius: 100%;
}

#blue {
  background-color: blue;
  border-bottom-right-radius: 100%;
}

#yellow {
  background-color: yellow;
  border-bottom-left-radius: 100%;
}

btn {
  padding-top: 40px;
}

.start,
.reset,
.strict {
  margin-top: 20px;
  padding: 10px;
}

              
            
!

JS

              
                $(document).ready(function() {
  var greenBtn = document.getElementById("green");
  var redBtn = document.getElementById("red");
  var yellowBtn = document.getElementById("yellow");
  var blueBtn = document.getElementById("blue");
  var tile = document.getElementsByClassName("tile");
  //audio for every click
  var audio = [
    new Audio("https://s3.amazonaws.com/freecodecamp/simonSound1.mp3"),
    new Audio("https://s3.amazonaws.com/freecodecamp/simonSound2.mp3"),
    new Audio("https://s3.amazonaws.com/freecodecamp/simonSound3.mp3"),
    new Audio("https://s3.amazonaws.com/freecodecamp/simonSound4.mp3")
  ];
  // record the round
  var round = 0;
  // record the random presses
  var compSeq = [];
  //count how many moves user does
  var playerIndex = 0;
  //check if game is running
  var running = false;
  //strict mode
  var strict = true;

  var green = 1;
  var red = 2;
  var blue = 3;
  var yellow = 4;

  $(".reset, #round").hide();

  //start
  $(".start").click(function() {
    running = true;
    round++;
    $("#round")
      .css("color", "#333")
      .html("Round: " + round)
      .show();
    newSeq();
    $(".start, .strict").hide();
  });

  function newSeq() {
    var addRandom = Math.floor(Math.random() * 4) + 1;
    compSeq.push(addRandom);
    compBlink();
    console.log("compSeq: " + compSeq);
  }
  //blink a tile
  function blink(tile) {
    switch (tile) {
      case 1:
        $(greenBtn).fadeOut(350, function() {
          audio[0].play();
          $(this).fadeIn(350, function() {
            return;
          });
        });
        break;

      case 2:
        $(redBtn).fadeOut(350, function() {
          audio[1].play();
          $(this).fadeIn(350, function() {
            return;
          });
        });
        break;

      case 3:
        $(blueBtn).fadeOut(350, function() {
          audio[2].play();
          $(this).fadeIn(350, function() {
            return;
          });
        });
        break;

      case 4:
        $(yellowBtn).fadeOut(350, function() {
          audio[3].play();
          $(this).fadeIn(350, function() {
            return;
          });
        });
        break;

      default:
        console.log("Something went wrong.");
    }
    //end
  }

  $(".strict").click(function() {
    if (!strict) {
      strict = true;
      $(".strict")
        .html("Strict: On")
        .css("background-color", "#3de816");
    } else {
      strict = false;
      $(".strict")
        .html("Strict: Off")
        .css("background-color", "#e86017");
    }
    console.log(strict);
  });

  function compBlink() {
    if (compSeq.length === 1) {
      blink(compSeq[0]);
    } else {
      //declare i after every iteration after 700 ms
      for (let i = 0; i < compSeq.length; i++) {
        setTimeout(function displayAfterDelay() {
          blink(compSeq[i]);
        }, i * 700);
      }
    }
  }

  //user input
  $(".tile").bind("click", function() {
    //only allow inputs if there is a random sequence
    if (compSeq.length >= 1) {
      if ($(this).is("#green")) {
        checkUserClicks(green);
        audio[0].play();
        blink(1);
      } else if ($(this).is("#red")) {
        checkUserClicks(red);
        audio[1].play();
        blink(2);
      } else if ($(this).is("#blue")) {
        checkUserClicks(blue);
        audio[2].play();
        blink(3);
      } else if ($(this).is("#yellow")) {
        checkUserClicks(yellow);
        audio[3].play();
        blink(4);
      }
    }
  });

  function checkUserClicks(color) {
    console.log("added: " + color);

    //if the player has inputted the first value right :
    if (color === compSeq[playerIndex]) {
      if (round >= 18) {
        $("#round")
          .html("Round: " + round)
          .css("color", "#990000");
      }
      //if the player inputted the full sequence of ONE round then new round starts
      if (playerIndex === compSeq.length - 1) {
        //round 20 is the end

        if (round === 20) {
          $("#round")
            .html("That was the last round, you win!!")
            .css("color", "#007300");
          reset();
        }
        console.log("full seq completed, starting new round");

        //don't show 'next' button at the 20 round
        if (round <= 19 && running) {
          $(".start")
            .html("Next")
            .show();
          playerIndex = 0;
        }
      } else {
        //if he is still inputting we need to check the next value by increasing his index(where he is now)
        playerIndex++;
      }
    } else {
      if (strict) {
        playerIndex = 0;
        compBlink();
      } else {
        running = false;
        $("#round")
          .html("Game Over. Try Again?")
          .css("color", "#cc0000");
        reset();
        //if the number he inputted is wrong game resets
      }
    }
  }

  function reset() {
    $(".reset").show();
    if (round === 20) {
      $(".reset").html("Play Again?");
    } else {
      $(".reset").html("Reset");
    }
  }
  $(".reset").click(function() {
    playerIndex = 0;
    compSeq = [];
    round = 0;
    $("#round").hide();
    $(".start")
      .html("Start")
      .show();
    $(".strict").show();
    $(".reset").hide();
  });
  //document.ready().
});

              
            
!
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