<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
  <rect x=0 y=0 width=100 height=100 fill="black" />
  <circle cx="20" cy="20" r="20" fill="red" />
</svg>

SVG animation with SMIL

<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<rect x="0" y="0" width="100" height="100" fill="black"></rect>
  <circle cx="20" cy="30" r="20" fill="red">
    <animate attributeName="cx" from="0" to="100" dur="2s" repeatCount="indefinite"></animate>
    <animate attributeName="cy" from="30" to="100" dur="2s" repeatCount="indefinite"></animate>
</circle>
</svg>

You can use Javascript to manipulate element

var svg = document.getElementById('IDNAME');

and/or CSS

@keyframes

<style>
.wrapper{
height:400px;
width: 400px;
background:#111;
text-align: center;
overflow: hidden;
}
.svg-wrapper {
  height: 60px;
  margin: 0 auto;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  width: 320px;
}

.shape {
  fill: transparent;
  stroke-dasharray: 140 540;
  stroke-dashoffset: -474;
  stroke-width: 8px;
  stroke: #19f6e8;
}

.text {
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 22px;
  letter-spacing: 8px;
  line-height: 32px;
  position: relative;
  top: -48px;
}

@keyframes draw {
  0% {
    stroke-dasharray: 140 540;
    stroke-dashoffset: -474;
    stroke-width: 8px;
  }
  100% {
    stroke-dasharray: 760;
    stroke-dashoffset: 0;
    stroke-width: 8px;
  }
}

.svg-wrapper:hover .shape {
  -webkit-animation: 0.5s draw linear forwards;
  animation: 0.5s draw linear forwards;
}
</style>
<div class="wrapper">
<div class="svg-wrapper">
  <svg height="50" width="320" xmlns="http://www.w3.org/2000/svg">
    <rect class="shape" height="60" width="320" />
  </svg>
   <div class="text">HOVER</div>
</div>
</div>