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JavaScript may move fast, but it seems like JavaScript developers move even faster, as many relatively new features already show high adoption levels.

The size of the outer circle corresponds to the total number of users who know about a feature (know about it + have used it respondents), while the inner circle represents those who have actually used it (have used it respondents).

Hover on each circle to see detailed stats, including the ratio between both values.

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Out of all the features mentioned in the survey, how many did the respondent know about?

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