angular2+ --Template parse errors: Can't bind to 'xxx' since it isn't a known native property

報錯原因

    插值表達式和屬性綁定隻能設定屬性–property，不能設定 attribute。

執行個體

• 報錯

Template parse errors:
Can't bind to 'colspan' since it isn't a known native property
           

• 代碼修改

<table border=1>
  <!--  expression calculates colspan=2 -->
  <tr><td [attr.colspan]="1 + 1">One-Two</td></tr>

  <!-- ERROR: There is no `colspan` property to set!
    <tr><td colspan="{{1 + 1}}">Three-Four</td></tr>
  -->

  <tr><td>Five</td><td>Six</td></tr>
</table>