JSFiddle - React, Tailwind, and code Playground

by XarX

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
  <div id="chart" style="width: 777px; height: 150px; margin: auto;"></div>
  <div id="statistic" style="width: 100px; height: 300px; margin: auto; position:absolute; left: 50px; top: 200px;"></div>
  <div id="time" style="width: 100px; height: 300px; margin: auto; position:absolute; right: 50px; top: 200px;"></div>
  <nav>
    <ul class="nav">
      <li><a href="#">
          <span class="icon-area" onclick="area(-500)"></span>
        </a></li>
      <li><a href="#">
          <span class="icon-area2" onclick="area(0)"></span>
        </a></li>
      <li><a href="#">
          <span class="icon-area3" onclick="area(500)"></span>
        </a></li>
    </ul>
    <ul class="nav">
      <li><a href="#">
          <span class="icon-weather" onclick="weather(-750)"></span>
        </a></li>
      <li><a href="#">
          <span class="icon-weather2" onclick="weather(-250)"></span>
        </a></li>
      <li><a href="#">
          <span class="icon-weather3" onclick="weather(250)"></span>
        </a></li>
      <li><a href="#">
          <span class="icon-weather4" onclick="weather(750)"></span>
        </a></li>
    </ul>
    <ul class="nav">
      <li><a href="#">
          <span class="icon-effect" onclick="effect(-500)"></span>
        </a></li>
      <li><a href="#">
          <span class="icon-effect2" onclick="effect(0)"></span>
        </a></li>
      <li><a href="#">
          <span class="icon-effect3" onclick="effect(500)"></span>
        </a></li>
    </ul>
  </nav>
  <nav>
    <ul class="nav">
      <li>
        <a href="#">
          <span id="login2" class="icon-"></span>
          <span id="login1" class="icon-login" onclick="login()"></span>
        </a>
      </li>
    </ul>
  </nav>

CSS

.screen-reader-text {
  position: absolute;
  top: -9999px;
  left: -9999px;
}

@font-face {
  font-family: 'fontello';
  src: url('https://css-tricks.com/examples/RoundButtons/fonts/fontello.eot');
  src: url('https://css-tricks.com/examples/RoundButtons/fonts/fontello.eot?#iefix') format('embedded-opentype'),
       url('https://css-tricks.com/examples/RoundButtons/fonts/fontello.woff') format('woff'),
       url('https://css-tricks.com/examples/RoundButtons/fonts/fontello.ttf') format('truetype'),
       url('https://css-tricks.com/examples/RoundButtons/fonts/fontello.svg#fontello') format('svg');
  font-weight: normal; font-style: normal;
}

[class*="icon-"] {
  font-family: 'fontello';
  font-style: normal;
  font-size: 3em;
  speak: none;
}

.icon-home:after     { content: "\2302"; } 
.icon-cog:after      { content: "\2723"; } 
.icon-cw:after       { content: "\27f3"; } 
.icon-location:after { content: "\e724"; } 
.icon-cross:after    { content: "\2723": }
.icon-weather:after     { content: "\2600"; }
.icon-weather2:after    { content: "\263C"; }
.icon-weather3:after    { content: "\2022"; }
.icon-weather4:after    { content: "\2726"; }
.icon-area:after     { content: "\2668"; }
.icon-area2:after    { content: "\25D1"; }
.icon-area3:after    { content: "\2021"; }
.icon-effect:after     { content: "\00B7"; }
.icon-effect2:after    { content: "\2014"; }
.icon-effect3:after    { content: "\2573"; }
.icon-login:after    { content: "\2727"; }

* { 
  -webkit-box-sizing: border-box; 
  -moz-box-sizing:    border-box; 
  box-sizing:         border-box; 
  margin: 0;
  padding: 0;
}

html {
  background: #f7f7f7 url(https://css-tricks.com/examples/RoundButtons/images/bg.png) repeat center top;
}

.nav {
  list-style: none;
  text-align: center;
}

.nav li {
  position: relative;
  display: inline-block;
  margin-right: -4px;
}

.nav li:before {
  content: "";
  display: block;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #fff;
  width: 100%;
  height:...

JavaScript

var areaMod = -1;
var weatherMod = -1;
var effectMod = -1;
var timerMax = 100;
var timer = 0;
var updateInterval = 50;
var free = true;

function area(type) {
  areaMod = type;
  timer = timerMax;
}

function weather(type) {
  weatherMod = type;
  timer = timerMax;
}

function effect(type) {
  effectMod = type;
  timer = timerMax;
}

function calculateAverage(array) {
  var total = 0;
  var count = 0;

  array.forEach(function(item, index) {
    total += item;
    count++;
  });

  return total / count;
}

function getStandardDeviation(array) {
  const n = array.length
  const mean = array.reduce((a, b) => a + b) / n
  return Math.sqrt(array.map(x => Math.pow(x - mean, 2)).reduce((a, b) => a + b) / n)
}

function login() {
  if (effectMod != -1 && areaMod != -1 && weatherMod != -1) {
    free = false;
    var e2 = document.getElementById("login2");
    var e1 = document.getElementById("login1");
    var output = "" + (areaMod / 500 + 2) + ((weatherMod + 250) / 500 + 1) + (effectMod / 500 + 2);
    e2.innerHTML = output;
    e1.remove();
  } else alert("Nope");
}

function sortDataPoints(dps, par) {
  var swapped;
  do {
    swapped = false;
    for (var i = 0; i < dps.length - 1; i++) {
      if (dps[i][par] > dps[i + 1][par]) {
        var temp = dps[i];
        dps[i] = dps[i + 1];
        dps[i + 1] = temp;
        swapped = true;
      }
    }
  } while (swapped);
}

var dataLength = 0;
var data = [];
var dots = 250;
data[0] = [];
data[0]["x"] = 0;
data[0]["y"] = 0;
data[dots + 1] = [];
data[dots + 1]["x"] = dots + 1;
data[dots + 1]["y"] = 0;
for (var i = 0; i < dots; i++) {
  data[i + 1] = [];
  data[i + 1]["x"] = i;
  data[i + 1]["y"] = 100;
}
var dataArea = [];
var dataWeather = [];
var dataEffect = [];
for (var i = 0; i < 3; i++) {
  dataArea[i] = [];
  dataArea[i]["x"] = i;
  dataArea[i]["y"] = 0;
  dataWeather[i] = [];
  dataWeather[i]["x"] = i;
  dataWeather[i]["y"] = 0;
  dataEffect[i] = [];
  dataEffect[i]["x"] = i;
  dataEffect[i]["y"] = 0;
}
var...