# tab-bar **\** is a child component of **<[tabs](js-components-container-tabs.md)>** and is used to provide the area to display tab labels. Its child components are horizontally arranged. ## Required Permissions None ## Child Components Supported ## Attributes In addition to the attributes in [Universal Attributes](js-components-common-attributes.md), the following attributes are supported. | Name | Type | Default Value | Mandatory | Description | | ---- | ------ | ------------- | --------- | ------------------------------------------------------------ | | mode | string | scrollable | No | Extensibility of the component width. Available values are as follows:
- **scrollable**: The width of a child component is the configured width. When the total width of all child components (including the margins) is greater than the tab-bar width, the child components can scroll horizontally.
- **fixed**: The width of a child component equals the tab-bar width divided by the number of child components. | ## Styles Styles in [Universal Styles](js-components-common-styles.md) are supported. ## Events Events in [Universal Events](js-components-common-events.md) are supported. ## Methods Methods in [Universal Methods](js-components-common-methods.md) are supported. ## Example For details, see the [tabs example code](js-components-container-tabs.md).