github.com/MontFerret/ferret@v0.18.0/e2e/tests/static/doc/xpath/count.fql (about)

     1  LET url = @lab.cdn.static + '/overview.html'
     2  LET page = DOCUMENT(url)
     3  
     4  LET actual = XPATH(page, "count(//body)")
     5  
     6  RETURN T::EQ(actual, 1)