Css/API/jQuery - Sample Code
innerWidth()
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="/jquery/js/jquery.js"></script>
<script>
$(document).ready(function(){
$('div').text('innerWidth: '+$('div').innerWidth());
});
</script>
<style>
div {
width: 200px;
border: 3px solid black;
padding: 2px;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
[実行結果]