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] +```