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JavaScript Array.push is 945x faster than Array.concat
It took six whole seconds to merge 15,000 arrays with an average size of 5 elements with .concat. What the hell is the Javascript's .concat method doing under the hood?
- Points
- 132
- HN comments
- 104
- Submissions
- 1
- Cited by
- 0 commenters
Software EngineeringSystems & Performance2019
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| May 23, 2019 | JavaScript Array.push is 945x faster than Array.concat by turrini | 132 | 104 |
