30-seconds-of-code
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A collection of useful JavaScript snippets.
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Markdown
### toDecimalMark
Use `toLocaleString()` to convert a float-point arithmetic to the [Decimal mark](https://en.wikipedia.org/wiki/Decimal_mark) form. It makes a comma separated string from a number.
```js
const toDecimalMark = num => num.toLocaleString('en-US');
```
```js
toDecimalMark(12305030388.9087); // "12,305,030,388.909"
```