# Format Number

[component-header:sl-format-number]

Formats a number using the specified locale and options.

Localization is handled by the browser's [`Intl.NumberFormat` API](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/NumberFormat/NumberFormat). No language packs are required.

```html preview
<div class="format-number-overview">
  <sl-format-number value="1000"></sl-format-number> 
  <br><br>
  <sl-input type="number" value="1000" label="Number to Format" style="max-width: 180px;"></sl-input>  
</div>

<script>
  const container = document.querySelector('.format-number-overview');
  const formatter = container.querySelector('sl-format-number');
  const input = container.querySelector('sl-input');

  input.addEventListener('slInput', () => formatter.value = input.value || 0);
</script>
```

## Examples

### Percentages

To get the value as a percent, set the `type` attribute to `percent`.

```html preview
<sl-format-number type="percent" value="0"></sl-format-number><br>
<sl-format-number type="percent" value=".25"></sl-format-number><br>
<sl-format-number type="percent" value=".50"></sl-format-number><br>
<sl-format-number type="percent" value=".75"></sl-format-number><br>
<sl-format-number type="percent" value="1"></sl-format-number>
```

### Localization

Use the `locale` attribute to set the number formatting locale.

```html preview
English: <sl-format-number value="2000" locale="en" minimum-fraction-digits="2"></sl-format-number><br>
German: <sl-format-number value="2000" locale="de" minimum-fraction-digits="2"></sl-format-number><br>
Russian: <sl-format-number value="2000" locale="ru" minimum-fraction-digits="2"></sl-format-number>
```

### Currency

To format a number as a monetary value, set the `type` attribute to `currency` and set the `currency` attribute to the desired ISO 4217 currency code. You should also specify `locale` to ensure the the number is formatted correctly for the target locale.

```html preview
<sl-format-number type="currency" currency="USD" value="2000" locale="en-US"></sl-format-number><br>
<sl-format-number type="currency" currency="GBP" value="2000" locale="en-GB"></sl-format-number><br>
<sl-format-number type="currency" currency="EUR" value="2000" locale="de"></sl-format-number><br>
<sl-format-number type="currency" currency="RUB" value="2000" locale="ru"></sl-format-number><br>
<sl-format-number type="currency" currency="CNY" value="2000" locale="zh-cn"></sl-format-number>
```

[component-metadata:sl-format-number]