Tools for testing your code
Link to sectionRankings Over Time
Retention, interest, usage, and awareness ratio rankings.
Technologies with less than 10% awareness not included. Each ratio is defined as follows:
- Retention: would use again / (would use again + would not use again)
- Interest: want to learn / (want to learn + not interested)
- Usage: (would use again + would not use again) / total
- Awareness: (total - never heard) / total
Link to sectionExperience Over Time
Overview of opinions on the technologies surveyed over time.
| Would use again | |
| Would not use | |
| Interested | |
| Not interested | |
| Never heard |
Technologies with only one year of data are not included.
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You can click on any technology name to get extra details and a more in-depth look at its related data.
Link to sectionPositive/Negative Split
This chart splits positive (“want to learn”, “would use again”) vs negative (“not interested”, “would not use again”) experiences on both sides of a central axis.
Bar thickness represents the number of respondents aware of a technology.
196 question respondents (1.3% completion percentage)
We asked members of the JavaScript community to share their “pick of the year”
My 2021 Pick: Lee Robinson
Lee has been great at shepherding and advocating for Next.js. He's helped me a ton with Next and continues to build excitement for where it's going
We asked members of the JavaScript community to share their “pick of the year”
Ben Ilegbodu
Ben Ilegbodu, Principal Frontend Engineer @ Stitch Fix
Link to sectionHow happy are you with the state of testing tools?
Customize Data
12812 question respondents (79.7% completion percentage)
Link to sectionRecommended Resources
JavaScript Testing Practices and Principles
Learn the principles and best practices for writing maintainable test applications to catch errors before your product reaches the end user!
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