javascript - I used ionicons in my project , but it can not be showed -

As the title, I have used the follow-up element in my project but it can not be shown.

  & lt; I class = "ion-android-checkbox" & gt; & Lt; / I & gt;  

I do not know the way to solve this problem. If someone can tell me to solve this problem, thanks a lot.

Here is the answer. I hope this can help someone.