3 ms·
That doesn't mean you shouldn't have a reasonable understanding of what those abstractions are doing, though.
by wtetzner 8y ago
That doesn't mean you shouldn't have a reasonable understanding of what those abstractions are doing, though.
- bgdam 8y agoFor the purpose of selecting a DOM node in a performant manner, you really don't need to know how CSS/XPath traverse the DOM. You just need to know that querySelector exists. In general, I think it's enough to know what your abstraction does, rather than how it does it.