From 8e6f5b25703330afc870821b19808b9eb17db48e Mon Sep 17 00:00:00 2001 From: King Date: Tue, 12 Dec 2017 11:30:50 -0500 Subject: [PATCH] add chunk-array.md --- snippets/chunk-array.md | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 snippets/chunk-array.md diff --git a/snippets/chunk-array.md b/snippets/chunk-array.md new file mode 100644 index 000000000..7ee72a85d --- /dev/null +++ b/snippets/chunk-array.md @@ -0,0 +1,14 @@ +### Chunk Array + +Creates an array of elements split into groups the length of size. +If array can't be split evenly, the final chunk will be the remaining elements. + +```js +const chunk = (arr, size) => + Array + .apply(null, {length: Math.ceil(arr.length/size) }) + .map((value, index) => arr.slice(index*size, index*size+size) ) + +// const myArray = [2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2]; +// chunk(myArray, 3) -> [ [ 2, 2, 2 ], [ 2, 2, 2 ], [ 3, 2, 3 ], [ 2, 3, 2 ], [ 2 ] ] +``` \ No newline at end of file