<h1 class="ml11">
  <span class="text-wrapper">
    <span class="line line1"></span>
    <span class="letters">Hello minwt.com</span>
  </span>
</h1>
.ml11 {
  font-weight: 900;
  font-size: 3.5em;
  background:#000;
  color:#fff;
  padding:20px;
}

.ml11 .text-wrapper {
  position: relative;
  display: inline-block;
  padding-top: 0.1em;
  padding-right: 0.05em;
  padding-bottom: 0.15em;
}

.ml11 .line {
  opacity: 0;
  position: absolute;
  left: 0;
  height: 100%;
  width: 3px;
  background-color: #fff;
  transform-origin: 0 50%;
}

.ml11 .line1 { 
  top: 0; 
  left: 0;
}

.ml11 .letter {
  display: inline-block;
  line-height: 1em;
}
// Wrap every letter in a span
$('.ml11 .letters').each(function(){
  $(this).html($(this).text().replace(/([^\x00-\x80]|\w)/g, "<span class='letter'>$&</span>"));
});

anime.timeline({loop: true})
  .add({
    targets: '.ml11 .line',
    scaleY: [0,1],
    opacity: [0.5,1],
    easing: "easeOutExpo",
    duration: 700
  })
  .add({
    targets: '.ml11 .line',
    translateX: [0,$(".ml11 .letters").width()],
    easing: "easeOutExpo",
    duration: 700,
    delay: 100
  }).add({
    targets: '.ml11 .letter',
    opacity: [0,1],
    easing: "easeOutExpo",
    duration: 600,
    offset: '-=775',
    delay: function(el, i) {
      return 34 * (i+1)
    }
  }).add({
    targets: '.ml11',
    opacity: 0,
    duration: 1000,
    easing: "easeOutExpo",
    delay: 1000
  });

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/animejs/2.0.2/anime.min.js