Exploring Load Javascript Only When You Need It Js Fundamentals 6 3 Three Minute Stack
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- Why
- querySelector and querySelectorAll replace every older lookup method. Why the older ones are live collections, and what that ...
- A promise is an object representing a result that has not arrived yet.
- Methods are just functions on an object. Why this depends on the call, not the definition, and the two fixes when a method loses its ...
- Requests, responses, why status codes do not reject, and cancelling a request that is no longer wanted.
In-Depth Information on Load Javascript Only When You Need It Js Fundamentals 6 3 Three Minute Stack
import() as a function, why it returns a promise, and how What to catch and what to let through, why finally always runs, and how a custom Error type makes failures something Named versus default exports and why one is better, module scope, and the fact that surprises everyone: a module runs Creating, inserting and removing elements. Why innerHTML with user input is a security hole, and the cheap fix.
Scripts block parsing by default. What defer and async actually change, and which one
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