js lec 1 added

lectures/lec5/p3/task1.js

@@ -0,0 +1,10 @@
+let items = {
+    'ручка': 20,
+    'альбом': "a16",
+    'тетрадь': 10
+};
+
+let entries = Object.entries(items);
+items=Object.fromEntries(entries.filter(entry =>!isNaN(parseFloat(entry[1]) && isFinite(Number(entry[1])))))
+
+console.log(items);