javascript textarea supports graphic editing_form effects

In this case, with a slight modification, simple textarea emoticons such as comments can be directly displayed instead of just displaying emot. It is more practical
The title is accurate, but it seems more nonsense to call it "Now textarea supports editing"
Code

<title> New Document </title> <textarea id="editor" rows="13" cols="50">My logo:
[Ctrl A select all Note: If you need to introduce external Js, you need to refresh to execute

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