Tryit Editor v2.9

Edit This Code:

<!DOCTYPE html>
<html>
<body>

<h1>My Web Page</h1>

<p>
The safest way to break a code line in a string is using string addition.
</p>

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

<script>
document.getElementById("demo").innerHTML = "Hello" +
    "Dolly.";
</script>

</body>
</html>