The getter 'document' isn't defined for the class 'WindowController'

[JorgeBrandao1980]

In the example code provided by you for Scraping a website #, replicating the code gives the following error "The getter 'document' isn't defined for the class 'WindowController'".

Problem.docx

[JorgeBrandao1980]

Problem Solved:
" controller.window.document.querySelectorAll(".athing > .title");"