The most straightforward way is to wrap in a try…except block. try: title = soup.head.title.string except AttributeError: print “Title doesn’t exist!” There’s really no reason to test at each level when removing each test would raise the same exception in the failure case. I would consider this idiomatic in Python.
Use short circuit evaluation to get a fallback value (empty object) if the f?.config expression evaluate to undefined: const { longFieldName } = f?.config || {};
When accessing a property using bracket notation and optional chaining, you need to use a dot in addition to the brackets: const value = a?.[b]?.c; This is the syntax that was adopted by the TC39 proposal, because otherwise it’s hard for the parser to figure out if this ? is part of a ternary expression … Read more
You need to put a . after the ? to use optional chaining: myArray.filter(x => x.testKey === myTestKey)?.[0] Playground link Using just the ? alone makes the compiler think you’re trying to use the conditional operator (and then it throws an error since it doesn’t see a : later) Optional chaining isn’t just a TypeScript … Read more