What is the correct syntax for including HTML and Javascript in PHP output?

When including HTML and JavaScript in PHP output, you can use the `echo` or `print` statements to output the HTML and JavaScript code. Make sure to enclose the HTML code within double quotes and escape any double quotes within the HTML code. For JavaScript code, you can include it within `<script>` tags. Here is an example of how you can include HTML and JavaScript in PHP output:

&lt;?php
echo &quot;&lt;html&gt;&quot;;
echo &quot;&lt;head&gt;&quot;;
echo &quot;&lt;title&gt;Example&lt;/title&gt;&quot;;
echo &quot;&lt;/head&gt;&quot;;
echo &quot;&lt;body&gt;&quot;;
echo &quot;&lt;h1&gt;Hello, World!&lt;/h1&gt;&quot;;
echo &quot;&lt;script&gt;&quot;;
echo &quot;alert(&#039;This is a JavaScript alert!&#039;);&quot;;
echo &quot;&lt;/script&gt;&quot;;
echo &quot;&lt;/body&gt;&quot;;
echo &quot;&lt;/html&gt;&quot;;
?&gt;