How to See the HTML Code of a Web Site. HyperText Markup Language is a language used to create pages on the Web. ... Open your browser and navigate to the page for which you wish to view the HTML; ...

Open the original HTML document that contains the print button and the product information or other data that users will want to print. ... Locate the code that creates the existing print button.

The beauty of open source programming is that there are a lot of code libraries available to software application developers, obviously. Some would call it a ‘goldmine’ of open source code.