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Features

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

Syntax Features

0%
16%
32%
48%
64%
80%
1

18,155
2

13,947
3

7,820
4

7,087
5

4,882
6

3,713
7

🚫 None

1,948
0%
16%
32%
48%
64%
80%
% of question respondents
Which of these syntax features have you used?

String Features

0%
15%
29%
44%
59%
73%
1

16,157
2

9,741
3

5,385
4

🚫 None

4,318
0%
15%
29%
44%
59%
73%
% of question respondents
Which of these String features have you used?

Array Features

0%
10%
20%
29%
39%
49%
1

6,122
2

6,078
3

5,274
4

3,186
5

2,204
6

🚫 None

9,989
0%
10%
20%
29%
39%
49%
% of question respondents
Which of these Array features have you used?

Async Features

0%
15%
29%
44%
59%
74%
1

16,053
2

9,334
3

9,293
4

🚫 None

2,781
0%
15%
29%
44%
59%
74%
% of question respondents
Which of these async features have you used?
We asked members of the JavaScript community to share their “pick of the year”

My 2022 Pick: Replicache

No technology has had a bigger impact on the quality of what I've shipped in years. I think they are carrying the torch on pushing what can be done on the web.
We asked members of the JavaScript community to share their “pick of the year”

Browser APIs

0%
12%
24%
37%
49%
61%
1

13,112
2

PWA

10,255
3

7,104
4

3,932
5

3,888
6

3,880
7

3,400
8

3,359
9

1,969
10

1,869
11

1,350
12

357
13

🚫 None

3,251
0%
12%
24%
37%
49%
61%
% of question respondents
Which of these browser APIs have you used?

Language Pain Points

0%
18%
35%
53%
70%
88%
1

Static typing

2

ESM & CJS

3

Browser support

4

TypeScript support

5

Dates

6

Performance

7

Error handling

8

Async programming

9

Choice overload

10

Security

0%
18%
35%
53%
70%
88%
% of question respondents
What are your main pain points regarding the JavaScript language?
(freeform question)

Browser APIs Pain Points

0%
16%
32%
48%
64%
80%
1

Browser support

3

Lack of documentation

4

Dates

5

Excessive complexity

6

Performance

7

Choice overload

8

DOM API

10

Firefox issues

0%
16%
32%
48%
64%
80%
% of question respondents
What are your main pain points regarding browser APIs?
(freeform question)
We asked members of the JavaScript community to share their “pick of the year”

My 2022 Pick: Alba Silvente Fuentes

Alba writes about frontend development, web architecture, and web performance, spoke at many conferences, and has a podcast, "No me da la vida". She has been inspiring many devs, and I'm one of them!
We asked members of the JavaScript community to share their “pick of the year”

Arisa Fukuzaki

Senior DevRel Engineer & Docs at Storyblok

Reading List

0%
9%
18%
26%
35%
44%
1

2,989
2

2,583
3

2,373
4

2,339
5

1,669
6

1,578
7

1,492
8

1,439
9

1,378
10

1,369
0%
9%
18%
26%
35%
44%
% of question respondents
The “Reading List” feature lets respondents save items they want to learn more about while taking the survey; and get a recap of useful resources about them at the end of the survey.

Recommended Resources

Test Your JavaScript Knowledge
Lydia Hallie

Test Your JavaScript Knowledge

Challenge your core knowledge of JavaScript with 50 interactive quiz questions covering topics like the event loop, scopes and closures, the "this" keyword, classes and prototypes, garbage collection, and more!
JavaScript: The Hard Parts, v2
Will Sentance
Codesmith

JavaScript: The Hard Parts, v2

Combining mental models of JavaScript's inner workings and hands-on programming challenges, this course will give you a solid understanding of callbacks and higher-order functions, closure, asynchronous JavaScript, and object-oriented JavaScript.
Thanks to our partners for supporting us! Learn more.