SummerNote WYSIWYG

[eravse]

Hello,
I am using a summernote wysiwyg editor on Asp.net Core. I was change for elements div to textarea. like a ;
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<textarea name="htmlContent" id="htmlContent" class="summernote"> </textarea>

but steel sayt not save to cookie textarea content. Have you any idea for the subject ?
thanks

ps : summer note (https://summernote.org)