Nest all content into snippets

snippets/js/s/format-number.md

@@ -0,0 +1,21 @@
+---
+title: Format number
+type: snippet
+language: javascript
+tags: [string,math]
+cover: laptop-plants
+dateModified: 2020-10-22T20:23:47+03:00
+---
+
+Formats a number using the local number format order.
+
+- Use `Number.prototype.toLocaleString()` to convert a number to using the local number format separators.
+
+```js
+const formatNumber = num => num.toLocaleString();
+```
+
+```js
+formatNumber(123456); // '123,456' in `en-US`
+formatNumber(15675436903); // '15.675.436.903' in `de-DE`
+```