Originally Posted by sunfighter
three words: M. D. N.
or just google whatever it is you're learning: "mdn websockets" or "mdn localstorage" or "mdn a ping" almost always gets the latest info out there and well-written comprehensive documentation, up-to-date compat tables, and relevant examples.
i would not use w3fools for anything, they are outdated in their references, the tutorials demonstrate improper ways of doing things, and then there's all the advertising... yuck.
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