párrafo 1. It is hard to come up with any example of useful JavaScript code on the web that does not interact in some way with an HTML document. Generally speaking, your code needs to read in values from the page, process them in some way, and then generate output in the form of visible changes or informational messages.

párrafo 2. It is hard to come up with any example of useful JavaScript code on the web that does not interact in some way with an HTML document. Generally speaking, your code needs to read in values from the page, process them in some way, and then generate output in the form of visible changes or informational messages.

párrafo 3. It is hard to come up with any example of useful JavaScript code on the web that does not interact in some way with an HTML document. Generally speaking, your code needs to read in values from the page, process them in some way, and then generate output in the form of visible changes or informational messages.

párrafo 4. It is hard to come up with any example of useful JavaScript code on the web that does not interact in some way with an HTML document. Generally speaking, your code needs to read in values from the page, process them in some way, and then generate output in the form of visible changes or informational messages.