What does && mean? For example, knowsJavascript && userName

And where can I find a list of operators and what they mean?


every programming language has its own documentation, but && is a general concept which occurs in many languages, so its should be easy to find, for JS, i recommend MDN, here is the docs you look for:


generally you can just google this, if you then include MDN in the search query, you should be all good


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