<div id="notAnimation">
      Not Animation
    </div>

    <div id="onAnimation">
      Animation
    </div>
div {
  padding: 10px;
  margin: 20px;
}

#notAnimation {
}

#onAnimation {
  animation: scale 10s ease-in-out;
}

@keyframes scale {
  0% {
    transform: scale(1);
    opacity: 1;
    color: black;
  }
  50% {
    transform: scale(0.95);
    opacity: 0.4;
    color: red;
  }
  100% {
    transform: scale(1);
    opacity: 1;
    color: black;
  }
}
var el1 = document.getElementById("notAnimation");
console.log(window.getComputedStyle(el1)["animationName"]);

var el2 = document.getElementById("onAnimation");
console.log(window.getComputedStyle(el2)["animationName"]);
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