<marquee class="li" direction=”right” onmouseover="stop()" onmouseout="start()">★ HTML tag &lt;marquee&gt; ★</marquee>
<div class="rightTI li">★ CSS animation and text-indent ★</div>
<div class="rightCSS li"><div>★ CSS animation and position relative ★</div></div>
<div class="rightJS li"><div>★ pure javascript ★</div></div>
<div class="rightJQ li"><div>★ Jquery animate ★</div></div>

marquee { background: #0089fa; }

.rightTI { background: #ff002b;
  white-space: nowrap; 
  overflow: hidden;
  animation: marquee 18s linear infinite;
}
.rightTI:hover {
  animation-play-state: paused;
}
@-webkit-keyframes marquee {
  0% {text-indent: 100%;}
  100% {text-indent: -100%;}
}

.rightCSS { 
  background: #a35dc1;
  overflow: hidden;
} 
.rightCSS div {
  position: relative;
  animation: CSSright linear 18s infinite;
} 
@keyframes CSSright {
  0% { right: -100% }
  100% { right: 100% }
}
.rightCSS:hover div {
  animation-play-state: paused;
}

.rightJS { background: #ffa900; }

.rightJQ { background: #00a753; }

.li {
  float: left;
  width: 80%;
  padding: 1%;
  margin: 1% 10%;
  height: 20px;
  border-radius: 0.5em;
  box-shadow: 0 0.1em 0.5em;
}

/* Vanilla JS */

var rightJS = {
  init: function(){
    rightJS.Tags = document.querySelectorAll('.rightJS');
    for(var i = 0; i < rightJS.Tags.length; i++){
      rightJS.Tags[i].style.overflow = 'hidden';
    }
    rightJS.Tags = document.querySelectorAll('.rightJS div');
    for(var i = 0; i < rightJS.Tags.length; i++){
      rightJS.Tags[i].style.position = 'relative';
      rightJS.Tags[i].style.right = '-'+rightJS.Tags[i].parentElement.offsetWidth+'px';
    }
    rightJS.loop();
  },
  loop: function(){
    for(var i = 0; i < rightJS.Tags.length; i++){
      var x = parseFloat(rightJS.Tags[i].style.right);
      x ++;
      var W = rightJS.Tags[i].parentElement.offsetWidth;
      var w = rightJS.Tags[i].offsetWidth;
      if((x/100) * W  > w) x = -W;
      if (rightJS.Tags[i].parentElement.parentElement.querySelector(':hover') !== rightJS.Tags[i].parentElement) rightJS.Tags[i].style.right = x + 'px';
    } 
    requestAnimationFrame(this.loop.bind(this));
  }
};
window.addEventListener('load',rightJS.init);

/* JQUERY */

$(function(){
  var rightJQ = {
    init: function(){
      $('.rightJQ').css({
        overflow: 'hidden'
      });
      $('.rightJQ').on('mouseover',function(){
        $('div', this).stop();
      });
      $('.rightJQ').on('mouseout',function(){
        $('div', this).animate({
          right: '100%'
        }, 16000, 'linear' );
      });
      rightJQ.loop();
    },
    loop: function(){
      $('.rightJQ div').css({
        position: 'relative',
        right: '-100%'
      }).animate({
        right: '100%'
      }, 16000, 'linear', rightJQ.loop);
    }
  };
  rightJQ.init();
});