script.js

var canvas = document.getElementById('beerCanvas');
var ctx = canvas.getContext('2d');
var particles = [];
var particleCount = 280;

for (var i = 0; i < particleCount; i++) {
  particles.push(new particle());
}

function particle() {
  this.x = Math.random() * canvas.width;
  this.y = canvas.height + Math.random() * 300;
  this.speed = 1 + Math.random();
  this.radius = Math.random() * 3;
  this.opacity = (Math.random() * 100) / 1000;
}

function loop() {
  requestAnimationFrame(loop);
  draw();
}

function draw() {
  ctx.clearRect(0, 0, canvas.width, canvas.height);
  ctx.globalCompositeOperation = 'lighter';
  for (var i = 0; i < particles.length; i++) {
    var p = particles[i];
    ctx.beginPath();
    ctx.fillStyle = 'rgba(255,255,255,' + p.opacity + ')';
    ctx.arc(p.x, p.y, p.radius, 0, Math.PI * 2, false);
    ctx.fill();
    p.y -= p.speed;
    if (p.y <= -10)
      particles[i] = new particle();
  }
}
loop();

var TxtType = function(el, toRotate, period) {
        this.toRotate = toRotate;
        this.el = el;
        this.loopNum = 0;
        this.period = parseInt(period, 10) || 500;
        this.txt = '';
        this.tick();
        this.isDeleting = false;
    };

    TxtType.prototype.tick = function() {
        var i = this.loopNum % this.toRotate.length;
        var fullTxt = this.toRotate[i];

        if (this.isDeleting) {
        this.txt = fullTxt.substring(0, this.txt.length - 1);
        } else {
        this.txt = fullTxt.substring(0, this.txt.length + 1);
        }

        this.el.innerHTML = '<span class="wrap">'+this.txt+'</span>';

        var that = this;
        // var delta = 200 - Math.random() * 100;
        var delta = 100;

        if (this.isDeleting) { delta /= 2; }

        if (!this.isDeleting && this.txt === fullTxt) {
        delta = this.period;
        this.isDeleting = true;
        } else if (this.isDeleting && this.txt === '') {
        this.isDeleting = false;
        this.loopNum++;
        delta = 500;
        }

        setTimeout(function() {
        that.tick();
        }, delta);
    };

    window.onload = function() {
        var elements = document.getElementsByClassName('typewrite');
        for (var i=0; i<elements.length; i++) {
            var toRotate = elements[i].getAttribute('data-type');
            var period = elements[i].getAttribute('data-period');
            if (toRotate) {
              new TxtType(elements[i], JSON.parse(toRotate), period);
            }
        }
        // INJECT CSS
        var css = document.createElement("style");
        css.type = "text/css";
        css.innerHTML = ".typewrite > .wrap { border-right: 0.08em solid #fff}";
        document.body.appendChild(css);
        
        $('[data-github]').each(function () {
          var _this = this;
          var repo = $(_this).data('github')
        
          fetch('https://api.github.com/repos/' + repo).then(function (response) {
            return response.json();
          }).then(function (response) {
            $(_this).find('[data-forks]').text(response.forks);
            $(_this).find('[data-stars]').text(response.stargazers_count);
          });
        });
    };