harmony 鸿蒙Universal Attributes
Universal Attributes
Common Attributes
Common attributes are used to set component identities and appearance.
| Name | Type | Mandatory | Description |
|---|---|---|---|
| id | string | No | Unique ID of the component. |
| style | string | No | Style declaration of the component. |
| class | string | No | Style class of the component, which is used to refer to a style table. |
| ref | string | No | Reference information of child elements, which is registered with the parent component on $refs. |
Rendering Attributes
Rendering attributes are used to set whether a component is rendered.
| Name | Type | Description |
|---|---|---|
| for | Array | Expands the current element based on the configured data list. |
| if | boolean | Whether the element is added or removed. |
| show | boolean | Whether the element is displayed or hidden. |
NOTE
Do not set styles in attribute fields.
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