make requested changes

snippets/juxt.md

@@ -3,26 +3,24 @@ title: juxt
 tags: array,function,advanced
 ---
 
-Takes several functions as argument and returns a fn that is the juxtaposition of those fns.
+Takes several functions as argument and returns a function that is the juxtaposition of those functions.
 
-juxt(fn1, fn2, fn3, ...) use `Array.prototype.map()` to return a `func` that can take a variable number of `args`.
-When `func` is called, return a array containing the result of applying each fn (fn1, fn2, fn3, ...) to the `args`.
+Use `Array.prototype.map()` to return a `fn` that can take a variable number of `args`.
+When `fn` is called, return an array containing the result of applying each `fn` to the `args`.
 
 ```js
-const juxt = (...fns) => (...x) => [...fns].map(fn => [...x].map(x => fn(x)));
+const juxt = (...fns) => (...args) => [...fns].map(fn => [...args].map(fn));
 ```
 
 ```js
 juxt(
   x => x + 1,
   x => x - 1,
-  x => x * 10,
-  x => x / 10
-)(1, 2, 3) // => [ [ 2, 3, 4 ], [ 0, 1, 2 ], [ 10, 20, 30 ], [ 0.1, 0.2, 0.3 ] ]
+  x => x * 10
+)(1, 2, 3) // [[2,3,4],[0,1,2],[10,20,30]]
 
 juxt(
   s => s.length,
   s => s.split(" ").join("-")
-)("30 seconds of code") // => [ [ 18 ], [ '30-seconds-of-code' ] ]
-
+)("30 seconds of code") // [[18],['30-seconds-of-code']]
 ```