Animation How to - Animate height








Question

We would like to know how to animate height.

Answer


<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
div {<!-- www  . ja v  a2 s .co  m-->
  max-height: 1.2em;
  background: slategray;
  color: white;
  -moz-transition: 1s;
  -ms-transition: 1s;
  -o-transition: 1s;
  -webkit-transition: 1s;
  transition: 1s;
}

div:hover {
  max-height: 999px;
}
</style>
</head>
<body>
  <div>
    Hover over me<br> foo bar<br> foo bar<br> foo bar<br>
    foo bar<br> foo bar<br> foo bar<br> foo bar<br>
    foo bar<br> foo bar<br>
  </div>
</body>
</html>

The code above is rendered as follows: