The State of JavaScript 2019: JavaScript Flavors

JavaScript Flavors

Languages that compile to JavaScript

Rankings

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SatisfactionS

InterestI

AwarenessA

Awareness, interest, and satisfaction ratio rankings.

Category Overview

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Percents%

CountΣ

Overview of opinions on the technologies surveyed. Darker segments represent positive opinions, while lighter segments correspond to negative sentiment.

I've USED it before, and WOULD use it again

I've USED it before, and would NOT use it again

I've HEARD of it, and WOULD like to learn it

I've HEARD of it, and am NOT interested

I've never heard of it

Usage by Years Of Experience

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For each technology, how usage is spread among respondents who picked different experience ranges. Note that the experience in question here is general JavaScript experience, not experience with a specific technology.

Years of Experience

TypeScript

1.4%

9.4%

34.5%

33%

18.1%

3.6%

Reason

0.9%

6.8%

32.5%

34.8%

21.7%

3.4%

Elm

0.5%

3.7%

26.4%

40.4%

24.8%

4.2%

ClojureScript

1.6%

5.5%

23.4%

36.2%

28.1%

5.2%

PureScript

3.7%

12.2%

27.5%

32.2%

19.3%

5.1%

010%20%30%40%

Usage by Salary Range

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For each technology, how usage is spread among respondents who picked different salary ranges.

Salary Range (USD)

TypeScript

3.6%

5.7%

15.6%

19.6%

31.2%

21.3%

2.8%

Reason

3.9%

5.4%

9.7%

17.8%

31.5%

26.7%

Elm

2.7%

3.4%

16.5%

36.4%

30.1%

3.9%

ClojureScript

4.9%

4.4%

10.1%

15%

30.8%

31.1%

3.8%

PureScript

4.5%

12.9%

18.9%

19.9%

23.4%

16.4%

3.8%

010%20%30%40%

Usage by Company Size

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For each technology, how usage is spread among respondents who picked different company size ranges.

Number of Employees

TypeScript

6.6%

6.7%

6.8%

9.5%

13.8%

11.9%

24.1%

20.7%

Reason

5.7%

7.8%

9.4%

8.8%

15.1%

13.5%

18.9%

20.7%

Elm

6.5%

6.9%

7.7%

9.5%

14.7%

12.6%

22%

20.1%

ClojureScript

5.8%

6.6%

10.5%

8.7%

15.2%

12.9%

20.2%

PureScript

7.7%

8.1%

8.4%

10.4%

14.1%

12.8%

20.2%

18.2%

010%20%30%40%

Overall Happiness

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On a scale of one (very unhappy) to five (very happy), how happy are developers with the current overall state of this category?