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Update and rename count-occurences-of-a-value-in-array.md to count-occurrences-of-a-value-in-array.md

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Jon Galloway
2017-12-11 11:30:54 -08:00
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snippets/count-occurences-of-a-value-in-array.md → snippets/count-occurrences-of-a-value-in-array.md
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### Count occurences of a value in array ### Count occurrences of a value in array
Use `filter()` to create an array containing only the items with the specified value, count them using `length`. Use `filter()` to create an array containing only the items with the specified value, count them using `length`.
```js ```js
var countOccurences = (arr, value) => arr.filter(v => v === value).length; var countOccurrences = (arr, value) => arr.filter(v => v === value).length;
``` ```