every examples fix

09_Day/09_day_higher_order_functions.md

@@ -303,11 +303,11 @@ console.log(scoresGreaterEight) //[{name: 'Asabeneh', score: 95}, {name: 'Martha
 ```js
 const names = ['Asabeneh', 'Mathias', 'Elias', 'Brook']
 const areAllStr = names.every((name) => typeof name ==='string');
-console.log(arrAllStr) // true;
+console.log(areAllStr) // true;
 ```
 
 ```js
-const areAllTrue = [true, true, true, true]
+const bools = [true, true, true, true]
 const areAllTrue = bools.every((b)=> {
   return b === true;
 })
@@ -581,4 +581,4 @@ console.log(users); // sorted ascending
 
 🎉 CONGRATULATIONS ! 🎉
   
-[<< Day 8](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/08_Day/08_day_objects.md) | [Day 10 >>](#)
+[<< Day 8](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/08_Day/08_day_objects.md) | [Day 10 >>](#)