Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

Address:<br>
<textarea id="myTextarea" placeholder="Your address..">
</textarea>

<p>Click the button to change the placeholder text of the text area.</p>

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

<script>
function myFunction() {
    document.getElementById("myTextarea").placeholder = "Where do you live?";
}
</script>

</body>
</html>