From 917c0095eba60c52f5901b22489426aa9f383bbd Mon Sep 17 00:00:00 2001
From: Angelos Chalaris <chalarangelo@gmail.com>
Date: Tue, 12 Dec 2017 14:09:11 +0200
Subject: [PATCH] Build README

---
 README.md                       | 18 ++++++++----------
 snippets/get-scroll-position.md | 19 ++++++++-----------
 2 files changed, 16 insertions(+), 21 deletions(-)

diff --git a/README.md b/README.md
index fdc7177c2..384034e5c 100644
--- a/README.md
+++ b/README.md
@@ -188,20 +188,18 @@ var flatten = arr =>
   arr.reduce( (a, v) => a.concat( Array.isArray(v) ? flatten(v) : v ), []);
 ```
 
-## Get Scroll Position
+## Get scroll position
 
-Get the current distance scrolled by `window` or `HTMLElement` as an {x,y} object
+Use `pageXOffset` and `pageYOffset` if they are defined, otherwise `scrollLeft` and `scrollTop`.
+You can omit `el` to use a default value of `window`.
 
 ```js
-const getScrollPos = (scroller = window) => {
-  let x = (scroller.pageXOffset !== undefined) ? scroller.pageXOffset : scroller.scrollLeft;
-  let y = (scroller.pageYOffset !== undefined) ? scroller.pageYOffset : scroller.scrollTop;
-
-  return {x, y}
-}
-
-// getScrollPos() -> {x: number, y: number}
+const getScrollPos = (el = window) =>
+  ( {x: (el.pageXOffset !== undefined) ? el.pageXOffset : el.scrollLeft,
+   y: (el.pageYOffset !== undefined) ? el.pageYOffset : el.scrollTop} );
+// getScrollPos() -> {x: 0, y: 200}
 ```
+
 ### Greatest common divisor (GCD)
 
 Use recursion.
diff --git a/snippets/get-scroll-position.md b/snippets/get-scroll-position.md
index 99cd00736..ea823fd18 100644
--- a/snippets/get-scroll-position.md
+++ b/snippets/get-scroll-position.md
@@ -1,14 +1,11 @@
-## Get Scroll Position
+## Get scroll position
 
-Get the current distance scrolled by `window` or `HTMLElement` as an {x,y} object
+Use `pageXOffset` and `pageYOffset` if they are defined, otherwise `scrollLeft` and `scrollTop`.
+You can omit `el` to use a default value of `window`.
 
 ```js
-const getScrollPos = (scroller = window) => {
-  let x = (scroller.pageXOffset !== undefined) ? scroller.pageXOffset : scroller.scrollLeft;
-  let y = (scroller.pageYOffset !== undefined) ? scroller.pageYOffset : scroller.scrollTop;
-
-  return {x, y}
-}
-
-// getScrollPos() -> {x: number, y: number}
-```
\ No newline at end of file
+const getScrollPos = (el = window) =>
+  ( {x: (el.pageXOffset !== undefined) ? el.pageXOffset : el.scrollLeft,
+   y: (el.pageYOffset !== undefined) ? el.pageYOffset : el.scrollTop} );
+// getScrollPos() -> {x: 0, y: 200}
+```