test

[Klause]

<p>Click the button to display an alert box:</p>

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

<script>
function myFunction() {
alert("I am an alert box!");
}
</script>

[Klause]

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

<script>
function myFunction() {
alert("Hello! I am an alert box!");
}
</script>