minor fixes

Author: iliakan

1-js/06-advanced-functions/03-closure/9-sort-by-field/_js.view/solution.js

@@ -1,3 +1,3 @@
 function byField(fieldName){
-  return (a, b) => a[field] > b[field] ? 1 : -1;
+  return (a, b) => a[fieldName] > b[fieldName] ? 1 : -1;
 }

1-js/06-advanced-functions/03-closure/9-sort-by-field/solution.md

@@ -1,22 +1 @@
 
-
-```js run
-let users = [
-  { name: "John", age: 20, surname: "Johnson" }, 
-  { name: "Pete", age: 18, surname: "Peterson" },
-  { name: "Ann", age: 19, surname: "Hathaway" }
-];
-
-*!*
-function byField(field) {
-  return (a, b) => a[field] > b[field] ? 1 : -1;
-}
-*/!*
-
-users.sort(byField('name'));
-users.forEach(user => alert(user.name)); // Ann, John, Pete
-
-users.sort(byField('age'));
-users.forEach(user => alert(user.name)); // Pete, Ann, John
-```
-