Let iframe web pages automatically scale in any browser_javascript skills

The method is as follows, save the 2-section
code as prompted.
Please save as mainframe.htm

Please Save as frame.htm


Execute mainframe.htm to see the effect.
When applying modifications, pay attention to the ID of the table defined in mainframe.htm and frame.htm, and then remember to modify the corresponding
calling file name and path in the frame statement, and pay attention to the following sentence:

Make corresponding modifications

Remember, the table ID must be defined.​