[exercises] Fix 'unecessary' typo.

Author: timoxley

exercises/async_loops/problem.md

@@ -30,7 +30,7 @@ The order of the users should match the order of supplied user ids. Because this
 * Do not use for/while loops (Array#forEach ok).
 * The order of the results in `done` must be the same as they were specified in `userIds`.
 * Users should be loaded in parallel i.e. the entire job should not take more than 1 second.
-* Do not create any unecessary functions e.g. helpers.
+* Do not create any unnecessary functions e.g. helpers.
 
 ## Hint
 

exercises/basic_call/problem.md

@@ -71,7 +71,7 @@ duckCount(duck, notDuck) // 1
 
 * Do not use any for/while loops or Array#forEach.
 * Do not create any counter/accumulator variables.
-* Do not create any unecessary functions e.g. helpers.
+* Do not create any unnecessary functions e.g. helpers.
 
 ## Hint
 

exercises/basic_inheritance_with_objectcreate/problem.md

@@ -51,7 +51,7 @@ console.log('Hello ' + joe) // 'Hello [BetterUser: Mr. Joe Smith]'
 
 * Don't call the User constructor unnecessarily!
 * Don't use `__proto__`
-* Do not create any unecessary functions e.g. helpers.
+* Do not create any unnecessary functions e.g. helpers.
 
 ## Resources
 

exercises/basic_map/problem.md

@@ -22,7 +22,7 @@ module.exports = doubleAll
 
 * Your solution should use Array.prototype.map()
 * Do not use any for/while loops or Array.prototype.forEach.
-* Do not create any unecessary functions e.g. helpers.
+* Do not create any unnecessary functions e.g. helpers.
 
 ## Resources
 

exercises/basic_reduce/problem.md

@@ -24,7 +24,7 @@ console.log(countWords(inputWords))
 ## Conditions
 
 * Do not use any for/while loops or Array#forEach.
-* Do not create any unecessary functions e.g. helpers.
+* Do not create any unnecessary functions e.g. helpers.
 
 ## Resources
 

exercises/blocking_event_loop/problem.md

@@ -9,7 +9,7 @@ Try to perform as many operations as you can before the timeout fires!
 ## Conditions
 
 * Do not use any for/while loops or Array#forEach.
-* Do not create any unecessary functions e.g. helpers.
+* Do not create any unnecessary functions e.g. helpers.
 
 ## Hints
 

exercises/function_spies/problem.md

@@ -24,7 +24,7 @@ console.log(spy.count) // 3
 ## Conditions
 
 * Do not use any for/while loops or Array#forEach.
-* Do not create any unecessary functions e.g. helpers.
+* Do not create any unnecessary functions e.g. helpers.
 
 ## Hint
 

exercises/higher_order_functions/problem.md

@@ -27,7 +27,7 @@ Use the boilerplate code given to you below to get started. Most/all future exer
 * https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions_and_function_scope
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/prototype
 
-## Hints 
+## Hints
 
 * Don't overthink it, the code should be rather simple.
 * It's ok to use a loop in your implementation, bonus points