diff --git a/README.md b/README.md index e3d9727df..dd66eebff 100644 --- a/README.md +++ b/README.md @@ -58,7 +58,7 @@ * [Random integer in range](#random-integer-in-range) * [Random number in range](#random-number-in-range) * [Randomize order of array](#randomize-order-of-array) -* [Redirect to url](#redirect-to-url) +* [Redirect to URL](#redirect-to-url) * [Reverse a string](#reverse-a-string) * [RGB to hexadecimal](#rgb-to-hexadecimal) * [Run promises in series](#run-promises-in-series) @@ -189,14 +189,14 @@ const palindrome = str => { ### Chunk array -Use `Array.from(arrayLike[, mapFn[, thisArg]])` to create a new array, that fits the number of chunks that will be produced. -Use `mapFn` to map each element of the new array to a chunk the length of `size`. +Use `Array.from()` to create a new array, that fits the number of chunks that will be produced. +Use `Array.slice()` to map each element of the new array to a chunk the length of `size`. If the original array can't be split evenly, the final chunk will contain the remaining elements. ```js const chunk = (arr, size) => Array.from({length: Math.ceil(arr.length / size)}, (v, i) => arr.slice(i * size, i * size + size)); - // chunk([1,2,3,4,5], 2) -> [[1,2],[3,4],5] +// chunk([1,2,3,4,5], 2) -> [[1,2],[3,4],5] ``` ### Compact diff --git a/snippets/chunk-array.md b/snippets/chunk-array.md index de6c5a568..c14bf269d 100644 --- a/snippets/chunk-array.md +++ b/snippets/chunk-array.md @@ -1,11 +1,11 @@ ### Chunk array -Use `Array.apply()` to create a new array, that fits the number of chunks that will be produced. -Use `Array.map()` to map each element of the new array to a chunk the length of `size`. +Use `Array.from()` to create a new array, that fits the number of chunks that will be produced. +Use `Array.slice()` to map each element of the new array to a chunk the length of `size`. If the original array can't be split evenly, the final chunk will contain the remaining elements. ```js const chunk = (arr, size) => - Array.apply(null, {length: Math.ceil(arr.length / size)}).map((v, i) => arr.slice(i * size, i * size + size)); + Array.from({length: Math.ceil(arr.length / size)}, (v, i) => arr.slice(i * size, i * size + size)); // chunk([1,2,3,4,5], 2) -> [[1,2],[3,4],5] ```