Make sure will alert user finish downloading

background.js

@@ -27,6 +27,10 @@ chrome.extension.onMessage.addListener(function(request,sender,sendResponse){
   }
   console.log("Current index : ", index);
   console.log("Current noImages : " , noImages);
+  if(index >= skus.length-1) {
+    console.log("Last file was downloaded");
+    alert(noImages);
+  }
 });
 
 chrome.downloads.onDeterminingFilename.addListener(function(item, suggest) {

contentScript.js

@@ -88,6 +88,10 @@ if (link.match(/login/g)){
                     chrome.runtime.sendMessage({noImage : "true", currentSku : currentSku});
                     return;
                 }
+                else {
+                    console.log("First List : ", downloadlist);
+                    console.log("Downloading first list");
+                }
                 // To prevent file loss for duplicate images name in zip file, will download twice for one sku
                 // Duplicated files download at second file "sku(copy).zip"
                 var nameList = [];