Engineering video
0:30 · 19 September 2026
The speaker explains: the speaker explains that lines of code are not a measure of impact or importance, noting that changing a lot of declarative React JSX looks large, whereas two lines on the back end can destroy functionality or a single line can be more impactful than 60 lines.
Hear it at 0:00 →you know a lot of people like throwing around numbers about lines of code. But it really depends on the application you're building. If you're building with React, it's very easy to change a lot of declarative JSX code and it looks like you made a big change. But you go to the back end and sometimes two lines of code can destroy the whole functionality. So, lines of code I never a measure of impact or importance or even the size of the change.
You could make a one-line change that's more impactful than 60 lines of code poring.
