Showing how to Debug CSS Animation Play States in JavaScript

index.html

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    </svg>
  </div>
  <!--rotate-->
</div>
<!--contain-->
<div class="contain">
  <a class="logIt">Log It!</a>
  <div class="clear"></div>
  <div class="term-contain">
  <div class="term">
    <div class="term-top">
      <div class="term-circle c1"></div>
      <div class="term-circle c2"></div>
      <div class="term-circle c3"></div>
    </div>
    <!--term-top-->
    <div class="term-content"></div>
  </div>
  <!--term-->
  </div><!--term-contain-->
</div>

script.js

var lil = $(".lilguy"),
  logIt = $(".logIt"),
  log = $(".term-content");

logIt.on('click', function() {
  lil.addClass('restart');
});

lil.on('animationstart webkitAnimationStart oanimationstart MSAnimationStart', function(e) {
  log.empty();
  log.append("<p>Animation has started.</p>");
});

lil.on('animationiteration webkitAnimationIteration oanimationiteration MSAnimationIteration', function(e) {
  log.append("<p>An iteration fired.");
});

lil.on('animationend webkitAnimationEnd oanimationend MSAnimationEnd', function(e) {
  log.append("<p>Animation has completed.</p>");
  lil.removeClass("restart");
});

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>

Showing how to Debug CSS Animation Play States in JavaScript.markdown

Showing how to Debug CSS Animation Play States in JavaScript

Small demo to show how to log what point you're at in a CSS animation in order to debug motion.

A Pen by Sarah Drasner on CodePen.

License.

style.css

body {
  background-color: #472b34;
  margin: 0;
  font-family: 'Source Code Pro', consolas, monospace;
}

.contain {
  width: 40%;
  height: 100%;
  float: left;
  margin-left: 5%;
}

.logIt {
  float: left;
  margin-top: 30px;
  background: #222;
  color: #555;
  padding: 14px;
  cursor: pointer;
  border-radius: 3px;
  transition: 0.5s ease all;
  &:hover {
    background: #1D1D1D;
  }
}

.contain-sm {
  height: 150px;
}

svg {
  width: 150px;
  height: 100%;
  margin-left: 55%;
  margin-top: 30px;
}

.restart {
  animation: lilguygo 3s ease-in-out 4 both;
}

.term-content {
  padding: 20px 15px;
}

.term-contain {
  width: 220px;
  float: left;
  margin: 30px 8%;
}

.term { 
  width: 220px;
  background: #777575;
  height: 160px;
  border-radius: 5px;
  float: left;
  p {
    font-family: 'Source Code Pro', consolas, monospace;
    color: #d0cfcf;
    padding: 0;
    margin: 7px 0;
    line-height: 1em;
    font-size: 70%;
  }
}

.term-top { 
  width: 220px;
  position: absolute; 
  height: 15px;
  border-radius: 5px 5px 0 0;
  background: #c3c2c2;
}
.term-circle {
  border-radius: 50%;
  background: #fff;
  margin-top: 5px;
  height: 4px;
  width: 4px;
  position: absolute;
  &.c1 { margin-left: 8px; }
  &.c2 { margin-left: 15px; }
  &.c3 { margin-left: 22px; }
}


@keyframes lilguygo {
  25% {
    transform: translateY(50px);
  }
  50% {
    transform: translateY(25px);
  }
  75% {
    transform: translateY(50px);
  }
}

@media (max-width: 800px) {
  .logIt { margin-left: 8%; }
}

@media (max-width: 600px) {
  .contain {
    width: 100% !important;
  }
  svg {
    margin-left: 25%;
  }
  .clear {
    clear: both;
  }
  .term-contain {
    width: 100% !important;
  }
}