vue.runtime.esm.js?2b0e:619 [Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop’s value. Prop being mutated: “placement”

found in

—> at packages/date-picker/src/picker.vue
at packages/form/src/form-item.vue


at packages/form/src/form.vue
at packages/dialog/src/component.vue
at src/views/device/manage.vue
at src/views/common/viewport.vue
at src/App.vue

解决办法:重新安装element ui 2.15.8版本 此错误存在于2.15.9中

# vue.js # javascript # elementui
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