great changes

Homework_18/main.js

@@ -154,7 +154,7 @@ const actionAddOrder = (cart) => {
 
 //cart
 function cartReducer(state={}, {type, good, price, count=1}) {
-    if (Object.keys(state).length === 0 && localStorage.cart.length > 10) {
+    if (Object.keys(state).length === 0 && localStorage.cart?.length > 10) {
         let newState = JSON.parse(localStorage.cart)
         return newState
     }
@@ -279,6 +279,7 @@ window.onhashchange = () => {
         drawCart()
     }
 }
+window.onhashchange()
 
 function drawMainMenu(){
     let cats = store.getState().promise.rootCategories.payload