How to select all static html code using element selector

I want to use the sitemap.xml of any website as the entry page to crawl the static html code of the url during the specified time period.
Then after exporting html, third-party software does filtering and extracting data

It seems that the element selector page can only extract multiple mixed elements, and cannot extract all static html codes at one time
How to select all static html code using element selector?
help me thanks

Sitemap:
{id:"sitemap code"}