How to set background color for some inner text of HTML textarea element?

It looks like selected some text, but the background col开发者_Python百科or will not disappear when you click it or move cursor.

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You can't use textarea element for this. Just make a contentEditable contentEditable div and use javascript to style it.

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It may be a div with contentEditable set to true

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That could be a div the styled during events and as other suggested make it contentEditable. With regards to textarea I have read similar question here. Check it if it's what your looking for.