From 758f8547d4e215855e094c9a5b2cb00402e1f666 Mon Sep 17 00:00:00 2001 From: taltmann42 Date: Mon, 18 Dec 2017 19:00:24 +0100 Subject: [PATCH 1/2] Create difference-with.md --- snippets/difference-with.md | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 snippets/difference-with.md diff --git a/snippets/difference-with.md b/snippets/difference-with.md new file mode 100644 index 000000000..70f43a5c5 --- /dev/null +++ b/snippets/difference-with.md @@ -0,0 +1,9 @@ +### Array differenceWith + +`filter`s out all values from `arr` for which the comparator `comp(a,b)` function never returns `true` + +```js +const differenceWith = (arr, val, comp) => arr.filter(a => !val.find(b => comp(a, b))) + +//differenceWith([1, 1.2, 1.5, 3], [1.9, 3], (a,b) => Math.round(a) == Math.round(b)) -> [1, 1.2] +``` From b6110e80f673f6e8ab46645c816300889a4636eb Mon Sep 17 00:00:00 2001 From: Angelos Chalaris Date: Tue, 19 Dec 2017 12:32:24 +0200 Subject: [PATCH 2/2] Update and rename difference-with.md to differenceWith.md --- snippets/difference-with.md | 9 --------- snippets/differenceWith.md | 10 ++++++++++ 2 files changed, 10 insertions(+), 9 deletions(-) delete mode 100644 snippets/difference-with.md create mode 100644 snippets/differenceWith.md diff --git a/snippets/difference-with.md b/snippets/difference-with.md deleted file mode 100644 index 70f43a5c5..000000000 --- a/snippets/difference-with.md +++ /dev/null @@ -1,9 +0,0 @@ -### Array differenceWith - -`filter`s out all values from `arr` for which the comparator `comp(a,b)` function never returns `true` - -```js -const differenceWith = (arr, val, comp) => arr.filter(a => !val.find(b => comp(a, b))) - -//differenceWith([1, 1.2, 1.5, 3], [1.9, 3], (a,b) => Math.round(a) == Math.round(b)) -> [1, 1.2] -``` diff --git a/snippets/differenceWith.md b/snippets/differenceWith.md new file mode 100644 index 000000000..ba4aac0ec --- /dev/null +++ b/snippets/differenceWith.md @@ -0,0 +1,10 @@ +### differenceWith + +Filters out all values from an array for which the comparator function does not return `true`. + +Use `Array.filter()` and `Array.find()` to find the appropriate values. + +```js +const differenceWith = (arr, val, comp) => arr.filter(a => !val.find(b => comp(a, b))) +// differenceWith([1, 1.2, 1.5, 3], [1.9, 3], (a,b) => Math.round(a) == Math.round(b)) -> [1, 1.2] +```