【overflow】
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
div {
border: 1px solid black;
width: 70px;
white-space: nowrap;
margin: 1.00em 0;
}
.hideExtraBits {
overflow: hidden;
}
.preOnly {
white-space: pre;
}
</style>
</head>
<body>
<div>this is a test</div>
<div class="hideExtraBits">this is a test</div>
<div class="preOnly">this is a test</div>
</body>
</html>
