02_advanced/uebungen/u20_geoquiz-2/index.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
   <head>
     <meta charset="UTF-8" />
@@ -35,7 +35,29 @@
         ['Russia', 'Moscow'],
       ];
 
-      const getCountryForCapital = () => {};
+      const getCountryForCapital = (capital) => {
+        for (const [country, countryCapital] of countriesWithCapital) {
+          if (countryCapital === capital) {
+            return country;
+          }
+        }
+
+        return undefined;
+      };
+
+      const getCountryForCapital2 = (capital) => {
+        const foundCountryAr = countriesWithCapital.find(
+          (arr) => arr[1].trim().toLowerCase() === capital.trim().toLowerCase(),
+        );
+
+        return foundCountryAr ? foundCountryAr[0] : undefined;
+      };
+
+      console.log('London:', getCountryForCapital2('London')); // => London: UK
+      console.log('London:', getCountryForCapital2('london')); // => London: UK
+      console.log('London:', getCountryForCapital2('')); // => London: undefined
+      console.log('Paris:', getCountryForCapital2('Paris')); // => Paris: France
+      console.log('Vienna:', getCountryForCapital2('Vienna')); // => Vienna: Austria
     </script>
   </body>
 </html>

02_advanced/uebungen/u21_pokemon-evolution/index.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
   <head>
     <meta charset="UTF-8" />
@@ -41,17 +41,42 @@
         ['Dratini', 'Dragonair', 'Dragonite'],
       ];
 
-      const stagesFor = (pokemon) => {};
+      const stagesFor = (pokemon) => {
+        const stages = evolutionStages.find((stages) => stages.includes(pokemon));
+        return stages ? stages : [];
+      };
 
-      const stagesAfter = (pokemon) => {};
+      const stagesAfter = (pokemon) => {
+        const stages = stagesFor(pokemon);
+        const index = stages.indexOf(pokemon);
 
-      const stagesBefore = (pokemon) => {};
+        // wenn nicht gefunden
+        if (index === -1) return [];
 
+        return stages.slice(index + 1);
+      };
+
+      const stagesBefore = (pokemon) => {
+        const stages = stagesFor(pokemon);
+        const index = stages.indexOf(pokemon);
+
+        // wenn nicht gefunden
+        if (index === -1) return [];
+
+        return stages.slice(0, index);
+      };
+
+      console.log(stagesFor('Bulbasaur')); // => undefined
       console.log(stagesFor('Vulpix')); // => [ 'Vulpix', 'Ninetales' ]
+
       console.log(stagesAfter('Dratini')); // => [ 'Dragonair', 'Dragonite' ]
+      console.log(stagesAfter('Bulbasaur')); // => undefined
+      console.log(stagesAfter('Dragonite')); // => []
+
       console.log(stagesBefore('Pidgeot')); // => [ 'Pidgey', 'Pidgeotto' ]
       console.log(stagesBefore('Dragonair')); // => [ 'Dratini' ]
-      console.log(stagesBefore('Pidgey')); // => [  ]
+
+      console.log(stagesBefore('Pidgey')); // => []
       console.log(stagesBefore('Pidgeot')); // =>  ['Pidgey', 'Pidgeotto']
     </script>
   </body>

02_advanced/uebungen/u22_cocktail-mixing-2/index.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
   <head>
     <meta charset="UTF-8" />
@@ -64,19 +64,19 @@
         'Cucumber',
       ];
 
-      const isMixableWithMyIngredients = (cocktailRecipe) => {
-        /* ??? */
+      const isMixableWithMyIngredients = (cocktailRecipe, allIngredients = ingredientsFromMyBar) => {
+        return isMixableWith(cocktailRecipe, allIngredients);
       };
 
       const isMixableWith = (cocktailRecipe, availableIngredients) => {
         return cocktailRecipe.every((ingredientFromRecipe) =>
-          hasIngredient(availableIngredients, ingredientFromRecipe)
+          hasIngredient(availableIngredients, ingredientFromRecipe),
         );
       };
 
       const hasIngredient = (listOfIngredients, searchedIngredient) => listOfIngredients.includes(searchedIngredient);
 
-      //  console.log(cocktailRecipes./* ??? */(isMixableWithMyIngredients));
+      console.log(cocktailRecipes.find((cocktailRecipe) => isMixableWithMyIngredients(cocktailRecipe)));
 
       // => [ 'Vodka', 'Lime Juice', 'Apple Juice', 'Cucumber' ]
     </script>

02_advanced/uebungen/u23_fetch-users/index.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
   <head>
     <meta charset="UTF-8" />
@@ -25,6 +25,30 @@
     </main>
     <script>
       'use strict';
+
+      // async function fetchUsers()  {
+      const fetchUsers = async () => {
+        try {
+          const response = await fetch('https://dummyjson.com/users');
+
+          if (!response.ok) {
+            throw new Error(`HTTP-Fehler: ${response.status}`);
+          }
+
+          const data = await response.json(); // HTTP-Response Body
+          // console.log(data.users);
+          return data;
+        } catch (error) {
+          console.error('Benutzer konnten nicht geladen werden:', error);
+        }
+      };
+
+      fetchUsers().then((data) => {
+        data.users.forEach((user) => {
+          const { firstName = '', lastName = '', age } = user;
+          console.log(`name: ${firstName}, lastname: ${lastName}, age: ${age}\n`);
+        });
+      });
     </script>
   </body>
 </html>

02_advanced/uebungen/u24_obj-in-json/index.html

@@ -41,9 +41,11 @@ F. Scott Fitzgerald
       };
 
       // JSON String
+      const jsonString = JSON.stringify(book, null, 2);
+      console.log(jsonString);
 
       // JS Object
-
+      const bookObj = JSON.parse(jsonString);
       console.log(bookObj.title); // => 'The Great Gatsby'
       console.log(bookObj.author); // => 'F. Scott Fitzgerald'
     </script>

02_advanced/unterricht/tag15/02_fetch-api-async-await/index.html

@@ -28,14 +28,14 @@
         try {
           const response = await fetch('https://dummyjson.com/posts');
           if (!response.ok) {
-            throw new Error('HTTP-Reponse Error');
+            throw new Error('HTTP-Response Error');
           }
 
           const data = await response.json();
 
           return data; // Rückgabe ist async -> Promise
         } catch (error) {
-          console.error('Fetch operation error: ', error);
+          // console.error('Fetch operation error: ', error);
           throw error;
         }