implemented the 2nd js code exercise

web/10/eigene_loesungen/Aufgabe_02.js

@@ -0,0 +1,31 @@
+let products = [
+  { "produkt": "Joghurt", "preis": 2.49 },
+  { "produkt": "Brot",    "preis": 3.29 },
+  { "produkt": "Käse",    "preis": 8.99 },
+  { "produkt": "Duschgel","preis": 2.79 }
+]
+
+let reduced_products = []
+const discound_and_round = price => Math.floor(price*0.9*10**2+0.5)/10**2 //price*0.9.toFixed(2) is not working!
+
+for(product of products){
+    const new_product = new Map()
+
+    new_product.set("produkt",product.produkt)
+    new_product.set("preis", discound_and_round(product.preis)) 
+
+    reduced_products.push(new_product)
+}
+
+console.log("Normale Preise:")
+for(product of products){
+    console.log(product)
+}
+
+console.log("\n")
+
+console.log("Reduzierte Preise:")
+for(product of reduced_products){
+    console.log(product)
+}
+