Unpredicted behaviour in Online Code editor[Bug]:

Summary

When I start to work out on the challenges on react dev pages using the online sandbox code editor, at first its ok but suddenly it start to behave differently that it prints out random letters

Page

https://react.dev/learn/writing-markup-with-jsx#pro-tip-use-a-jsx-converter

Details

Problem

This problem is not happening everytime but just randomly, that it start to repeat the letters i am typing leaving unnecessary spaces and tabs. Even though the error has been removed in the code, but in the screen the error persists

I have left a video of the problem here
Video URL

首先，在 Writing Markup with JSX 頁面上的線上沙盒中重現該行為，並與連結的影片進行比較。完成的標準是：編輯器不再重複輸入的字母或留下不必要的空格和定位字元，而且修正程式碼後顯示的錯誤會消失。