el-cascader鼠标移除

根据引用的代码，当鼠标移入el-cascader-node元素时，会检查是否存在el-icon-arrow-right元素（即小三角符号）。如果存在，则显示el-cascader-menu元素集合的第一项，否则隐藏。那么当鼠标移出el-cascader时，可以推断出el-cascader-menu元素集合的第一项应该隐藏。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [解决element UI中 select下拉框 el-select-dropdown el-popper超出el-dialog弹框的问题](https://blog.csdn.net/shadow__jing/article/details/131924071)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [elementUi cascader 级联动组件 hover 收起二级菜单](https://blog.csdn.net/QingWaXieZi/article/details/104382610)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
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