<!DOCTYPE html>
<html>
<meta name="viewport" content="width=device-width, initial-scale=1">
<body ontouchstart="isKeyPressed(event)">
<h1>The TouchEvent's shiftKey Property</h1>
<p>Touch somewhere in this document.</p>
<p>An alert box will tell you if the SHIFT key was pressed when the event occured.</p>
<p><strong>Tip:</strong> Try holding down the SHIFT key when you touch the document.</p>
<script>
function isKeyPressed(event) {
if (event.shiftKey) {
alert("The SHIFT key was pressed!");
} else {
alert("The SHIFT key was NOT pressed!");
}
}
</script>
</body>
</html>