The CodeHS editor allows students to run and preview their HTML programs in an iframe. This can help students see live updates they make to their page and navigate between any other .html file that they've created for the program.
However, the iframe may not allow students to access external websites. This is a security feature where many sites dis-allow being opened in an iframe.
In order to preview the HTML program and navigate to the external links, the program will need to be opened in a new window or tab. To open in a new tab:
Click the Pop Out Icon next to the address bar in the output window
Still have questions? Contact our team at firstname.lastname@example.org to learn more!