<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
    width: 400px;
    height: 200px;
    background-color: lightblue;
    border: 1px solid black;
}

</style>
</head>
<body>

<p>Click the "Try it" button to make sure that the text inside the DIV element never wraps:</p>

<button onclick="myFunction()">Try it</button>

<div id="myDIV">
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
</div>

<script>
function myFunction() {
    document.getElementById("myDIV").style.whiteSpace = "nowrap";
}
</script>

</body>
</html>