javascript - highlight specific words in textarea similar to gmail spell check bottom -

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basically, develop django based application synonym dictionary, user can write paragraph , application, highlights set of words in different colors , clicking on highlight words, set of synonym shown popup box (exactly gmail spell checker) , clicking replaced word.

the main question should start. there api can assist me ? also, wonder, if such editable area still called "textarea" ? library out there me me out coloring , pop-up box or similar code ?

i appreciate hint.


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