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<!DOCTYPE html>

<html>

<body>

<button onclick="myFunction()">Click me</button>

<p id="demo"></p>

<p>A function is triggered when the button is clicked. The function outputs some text in a p element with id="demo".</p>

<script>

function myFunction() {

  document.getElementById("demo").innerHTML = "Hello World";

}

</script>

</body>

</html>

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