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 页面上的在线沙盒中复现该行为，并将其与链接的视频进行比较。完成的标准是：编辑器不再重复输入的字母或留下不必要的空格和制表符，并且代码修正后显示的错误会消失。