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<meta name="viewport" content="width=device-width, initial-scale=1">
<body ontouchstart="isKeyPressed(event)">
<h1>The TouchEvent's metaKey Property</h1>
<p>Touch somewhere in this document.</p>
<p>An alert box will tell you if the META key was pressed when the event occured.</p>
<p><strong>Tip:</strong> Try holding down the META key (if your keyboard has one) when you touch the document.</p>
<p><strong>Note:</strong> Many touch devices do not have a META key.</p>
<script>
function isKeyPressed(event) {
if (event.metaKey) {
alert("The META key was pressed!");
} else {
alert("The META key was NOT pressed!");
}
}
</script>
</body>
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