Page Widget How to - Test if background-size Is supported

Question

We would like to know how to test if background-size Is supported.

Answer


<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
div {<!--from  www  .ja va2s.co m-->
  width: 250px;
  height: 250px;
  border: 1px solid green;
  margin: .5em;
  background-image:url("http://placehold.it/200x200");
  background-repeat: no-repeat;
}

#length {
  background-size: 125px;
}

#percentage {
  background-size: 50%;
}

#auto {
  background-size: auto;
}

#cover {
  background-size: cover;
  height: 300px;
}

#contain {
  background-size: contain;
  height: 300px;
}
</style>
</head>
<body>
  <div id="length">125px (half width of element)</div>
  <div id="percentage">50%</div>
  <div id="auto">auto (original size of image)</div>
  <div id="cover">cover (full height)</div>
  <div id="contain">contain (full width)</div>
</body>
</html>

The code above is rendered as follows: