What are the vue rendering modes and how to write the components?

inadvertently see, for example,

 components: {
    MyDialog,
 
  },
  <MyDialog :is-show="isShowAboutDialog" @on-close="closeDialog("isShowAboutDialog")">
     
    </MyDialog>

    <my-dialog :is-show="isShowLogDialog" @on-close="closeDialog("isShowLogDialog")">
     
    </my-dialog>

what"s the difference between the two

Mar.17,2021

ide/components-registration.html" rel=" nofollow noreferrer "> https://cn.vuejs.org/v2/guide.

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