Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
<body>
  <div class = "middle">
    <div class = "mainContainer">

      <div class = "colorBtn green" id = "green"></div>  
      <div class = "colorBtn noRadius red" id = "red"></div>
      <div class = "colorBtn noRadius yellow" id = "yellow"></div>  
      <div class = "colorBtn rotateRadius blue" id = "blue"></div>
      
      <div class = "hLine"></div>
      <div class = "vLine"></div>
      <div class = "midCircle">
        <div class = "scoreBoard" id = "scoreBoard">--</div>  
        <div class = "opBtn" id = "startBtn">
          <div class = "startRed"></div>
        </div>
        
        <div class = "opBtn" id = "strictBtn" value = "off">
          <div class = "startRed strictYellow"></div>
        </div>
        
        <div class = "led"></div> 
        <br>
        <div class = "text">START</div>
        <div class = "text">STRICT</div>
        <br> 
        
        <!-- Rectangular switch -->
        <label class="switch">
          <input type="checkbox" value = "off">
          <span class="slider"></span> 
        </label>
        <div class = "textSwitch">OFF</div>
        <div class = "textSwitch textOn">ON</div> 
        
        <div class = "branding">Simon<span class = "supMod">&reg;</span></div>
      </div>  
      
      <signature>built by Hieu Lai</signature>  
    </div>
    
  </div>
</body>  
              
            
!

CSS

              
                @import url('https://fonts.googleapis.com/css?family=Alfa+Slab+One|VT323');

body {
  display: table;
  position: absolute;
  height: 100%;
  width: 100%;
  background-image: url("https://wallpaperscraft.com/image/wood_planks_parquet_texture_surface_44962_3840x2400.jpg");  
  background-position: center;
}

.middle {
  display: table-cell;
  vertical-align: middle;
}

.mainContainer {
  border: 15px solid;
  margin-left: auto;
  margin-right: auto;
  border-radius: 100px 0px 100px 0px;
  width: 450px;
  height: 450px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.colorBtn {
  border: 0px solid transparent;
  border-radius: 83px 0px 0px;
  width: 210px;
  height: 210px;
  float: left;
  //cursor: pointer;
}

.noRadius {
  border-radius: 0px;
}

.rotateRadius {
  border-radius: 0px 0px 83px;
}

.hLine {
  border-top: 10px solid;
  width: 430px;
  position: absolute;
  margin-top: 205px;
}

.vLine {
  border-left: 10px solid;
  height: 430px;
  position: absolute;
  margin-left: 205px;
}

.midCircle {
  border: 10px solid;
  background: white;
  border-radius: 50%;
  width: 250px;
  height: 250px;
  position: absolute;
  margin: 85px;
  box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.4), 0 12px 40px 0 rgba(0, 0, 0, 0.38);
}

.green {
  background: #006600;
}

.red {
  background: #990000;
}

.blue {
  background: #000099;
}

.yellow {
  background: #999900;
}

.scoreBoard {
  border: 5px solid black;
  border-radius: 20px;
  width: 120px;
  height: 70px;
  margin: 20px 55px;
  text-align: center;
  line-height: 60px;
  font-family: "VT323", monospace;
  font-size: 60px;  
  color: #4c0000;
  background: #330000;
}

.opBtn {
  border: 4px solid;
  border-radius: 50px;
  width: 30px;
  height: 30px;
  margin-top: -10px;
  margin-left: 56px;
  float: left;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  background: black;
  cursor: pointer;
}

.opBtn:active {
  transform: translateY(2px);
}

.startRed {
  border-radius: 50px;
  width: 20px;
  height: 20px;
  background: red;
  margin: auto;
}

.strictYellow {
  background: yellow;
}

.led {
  border: 2px solid black;
  border-radius: 50px;
  width: 10px;
  height: 10px;
  float: right;
  margin-right: 40px;
  background: #333333;
}

.text {
  margin-left: 52px;
  font-size: 12px;
  font-weight: bold;
  float: left;
}

.switch {
  position: absolute; 
  width: 45px;
  height: 25px;
  margin-left: 92px;
  border-radius: 4px;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 3px 10px 0 rgba(0, 0, 0, 0.19);
}

/* Hide default HTML checkbox */
.switch input {display:none;}

/* The slider */
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 19px;
  width: 19px;
  border-radius: 4px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(20px);
}

.textSwitch {
  font-size: 10px;
  font-weight: bold;
  position: absolute;
  margin-left: 65px;
  line-height: 25px;
}

.textOn {
  margin-left: 145px;
}

.branding {
  font-family: 'Alfa Slab One', cursive;
  margin: 27px 67px;
  font-weight: bold;
  font-size: 28px
}

.supMod {
  font: 15px arial, sans-serif;
  vertical-align: super;
}

signature {
  position: absolute;
  margin-top: -12px;
  margin-left: -72px;
  font-size: 10px;
  color: white;
}

              
            
!

JS

              
                $(document).ready(function() {
  var stateOnOff = "";
  var stateLed = "";
  var strictMode = "";
  var winLed;
  var winColor;
  var huTurn = false;
  var colorArr = ["green", "red", "blue", "yellow"];
  var computeArr = [];
  var killSwitch = false;
  var lightGreen = "#00cd00";
  var darkGreen = "#006600";
  var lightRed = "#ff4d4d";
  var darkRed = "#990000";
  var lightBlue = "#4d4dff";
  var darkBlue = "#000099";
  var lightYellow = "#ffff4d";
  var darkYellow = "#999900";
  var soundGreen = new Audio("https://s3.amazonaws.com/freecodecamp/simonSound1.mp3");
  var soundRed = new Audio("https://s3.amazonaws.com/freecodecamp/simonSound2.mp3");
  var soundBlue = new Audio("https://s3.amazonaws.com/freecodecamp/simonSound3.mp3");
  var soundYellow = new Audio("https://s3.amazonaws.com/freecodecamp/simonSound4.mp3"); 
  
//Create the light show for the color panels and LED scoreboard  
  function loadFlash(item) {
    if(item == "panel") {
      $("#green").css("background", lightGreen);  
      setTimeout(function() {
        $("#red").css("background", lightRed);
      }, 200);
      setTimeout(function() {
        $("#blue").css("background", lightBlue);
      }, 400);
      setTimeout(function() {
        $("#yellow").css("background", lightYellow);
      }, 600); 
      setTimeout(function() {
        $("#yellow").css("background", darkYellow);
      }, 800); 
      setTimeout(function() {
        $("#blue").css("background", darkBlue);
      }, 1000);
      setTimeout(function() {
        $("#red").css("background", darkRed);
      }, 1200);
      setTimeout(function() {
        $("#green").css("background", darkGreen);
      }, 1400);
    }

    if(item === "scoreLed") {
      $("#scoreBoard").css("color", "#4c0000");
      setTimeout(function() {
        $("#scoreBoard").css("color", "#FF0000");
      }, 300);
      setTimeout(function() {
        $("#scoreBoard").css("color", "#4c0000");
      }, 600);
      setTimeout(function() {
        $("#scoreBoard").css("color", "#FF0000");
      }, 900);
    }   
  }
//Chooses a random color  
  function randColor() {
    return colorArr[Math.floor(Math.random() * 4)];
  }
 
 //Add zero to the number if below 10 
  function addZero(num) {
    if(num < 10) {
      return "0" + num;
    }
    return num;
  }

//Turns on the color that is called, also plays audio  
  function activateColor(color) {
    if(color === "green") {
      $("#"+color).css("background", lightGreen);
      soundGreen.load();
      soundGreen.play();   
      setTimeout(function() {
        $("#"+color).css("background", darkGreen);
      }, 700);
    }
    if(color === "red") {
      $("#"+color).css("background", lightRed);
      soundRed.load();
      soundRed.play();
      setTimeout(function() {
        $("#"+color).css("background", darkRed);
      }, 700);
    }
    if(color === "blue") {
      $("#"+color).css("background", lightBlue);
      soundBlue.load();
      soundBlue.play();
      setTimeout(function() {
        $("#"+color).css("background", darkBlue);
      }, 700);
    }
    if(color === "yellow") {
      $("#"+color).css("background", lightYellow);
      soundYellow.load();
      soundYellow.play();
      setTimeout(function() {
        $("#"+color).css("background", darkYellow);
      }, 700);
    }
  }

//Light show when player wins  
  function winStatus() {
    $("#scoreBoard").text("WIN");
    winLed = setInterval(function() {
      loadFlash("scoreLed");
      loadFlash("panel");
      activateColor(randColor());
    }, 800);    
  } 

//Main function that alternates between player and computer
  function computer(arg) {
    var i = 0;
    var count = 0;
    huTurn = false;
    //push random color into array
    if(arg === "add") {
      computeArr.push(randColor());
    }
    //activates when player completes round 10
    if(computeArr.length == 10) {
      return winStatus(); 
    }
    
    autoLight();
    $(".colorBtn").off("click");
    $(".colorBtn").css("cursor", ""); 
    //computer loops through the array, lighting up the ordered color panels
    function autoLight() {
      if(killSwitch == true) {return};
      activateColor(computeArr[i]); 
      i++;
      $("#scoreBoard").text(addZero(computeArr.length));
      if(i < computeArr.length) {
        setTimeout(autoLight, 1000);
      }
      //switch over control to player
      if(i == computeArr.length) {
        setTimeout(function() {
          huTurn = true;
          $(".colorBtn").css("cursor", "pointer");
        }, 1000);      
      }
    }

    //determines if player is clicking correct color panel
    $(".colorBtn").on("click", function() {     
      var color = $(this).attr("id");    
      if(huTurn == true && color == computeArr[count]) {
        activateColor(color);
        count++; 
        if(count === computeArr.length) {  
          setTimeout(function() {
            computer("add");  
          }, 1500);   
        }  
      }
      //if mistake is made
      else if(huTurn == true && color !== computeArr[count]) {
        $("#scoreBoard").text("!!");
        activateColor(color);
        loadFlash("scoreLed");
        //checks strict mode otherwise, return from previous
        if(strictMode == "on") {
          setTimeout(function() {
            restartGame();
          }, 1500);  
        }
        else {
          setTimeout(function() {
            computer();  
          }, 1500);           
        }
      }
    });    
  }

//Brings the game to the start, level 1 
  function restartGame() {
    killSwitch = true;
    clearInterval(winLed);
    loadFlash("scoreLed");
    $("#scoreBoard").text("--");
    setTimeout(function() {
      killSwitch = false;
      computeArr = [];
      computer("add");
    }, 1500);
  }
  
//Cosmetic and assignment of strict mode  
  function strictOption(mode) {
    if(mode == "on") {
      $(".led").css("background", lightGreen);
      strictMode = "on";
      $("#strictBtn").attr("value", "on");
    }
    if(mode == "off") {
      $(".led").css("background", "#333333");
      strictMode = "off";
      $("#strictBtn").attr("value", "off");
    }
  }
  
//Activates when player turns on the switch  
  function startGame() { 
    $("#startBtn").on("click", restartGame);
    
    $("#strictBtn").on("click", function() {
      stateLed = $(this).attr("value");    
      if(stateLed == "off") {
        strictOption("on");
      }
      else if(stateLed == "on") {
        strictOption("off");
      }
    })
  }
  
//On-Off switch, returns intial game state  
  $("input").on("click", function() {
    stateOnOff = $(this).attr("value");   
     
    if(stateOnOff == "off") {
      $("#scoreBoard").css("color", "#FF0000");
      $(this).attr("value", "on");
      loadFlash("panel");
      startGame();
      killSwitch = false;
    } 
    else if(stateOnOff == "on") {
      $("#scoreBoard").css("color", "#4c0000");
      killSwitch = true;
      $(this).attr("value", "off");
      $(".opBtn").off("click");
      $("#scoreBoard").text("--");
      $(".colorBtn").off("click");
      $(".colorBtn").css("cursor", "");      
      strictOption("off");
      clearInterval(winLed); 
    }  
  })
    
});  
              
            
!
999px

Console