Write a JavaScript program that changes the HTML code that prints "Hello World" to have it say "Good Night World" .
Hint: innerHTML
Answer:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Problem 1</title>
</head>
<body>
<h1>Hello World</h1>
<script type="text/javascript">
var text = document.getElementsByTagName("h1");
text[0].innerHTML = "Good Night World";
</script>
</body>
</html>
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