add paris boulevard 'de' filter

Author: Jeff Kohrman

04 - Array Cardio Day 1/index-START.html

@@ -76,7 +76,11 @@
 
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
-
+    const deBoulevards = Array.from(document.querySelector('.mw-category').querySelectorAll('a')).map(function (link) {
+      return link.textContent;
+    }).filter(function (text) {
+      return text.includes('de');
+    });
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name