html - Angular - 从焦点中排除 div

Question

这个跨度位于输入字段内。我想从输入的焦点事件中排除跨度。有任何想法吗？

<input type="text" (focusin)="onFocusIn($event)" (focusout)="onFocusOut($event)"/>
  <span (mousedown)="onClearClick()"></span>