## Cascader It's used to select from a set of associated data set. Such as province/city/district, company level, and categories. ### Basic usage :::demo ```html ``` ::: ### Disabled option :::demo ```html ``` ::: ### Default Value :::demo default value is assigned by an array type value. ```html ``` ::: ### Size :::demo ```html

``` ::: ### Hover to expand Hover to expand the next level options, click to select option. :::demo ```html ``` ::: ### Change on select Allow only select parent options. :::demo ```html ``` ::: ### Search Search and select options directly. :::demo ```html ``` ::: ### Attributes | Attribute | Description | Type | Options | Default| |---------- |-------------------- |---------|------------- |-------- | | options | data source of the options | array | — | — | | value | selected value | array | — | — | | popper-class | className of popup overlay | string | — | — | | placeholder | input placeholder | string | — | — | | disabled | 是否禁用 | boolean | — | false | | clearable | whether allow clear | boolean | — | false | | expand-trigger | trigger mode of expandind the current item | string | click / hover | 'click' | | filterable | whether the options can be searched | boolean | — | — | | size | size | string | large / small / mini | — | ### Events | Event Name | Description | Parameters | |---------- |-------- |---------- | | change | triggers when the binding value changes | value |