logical-and

“querySelectorAll()” with multiple conditions in JavaScript

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Is it possible to make a search by querySelectorAll using multiple unrelated conditions? Yes, because querySelectorAll accepts full CSS selectors, and CSS has the concept of selector groups, which lets you specify more than one unrelated selector. For instance: var list = document.querySelectorAll(“form, p, legend”); …will return a list containing any element that is a … Read more

How does C++ handle &&? (Short-circuit evaluation) [duplicate]

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Yes, the && operator in C++ uses short-circuit evaluation so that if bool1 evaluates to false it doesn’t bother evaluating bool2. “Short-circuit evaluation” is the fancy term that you want to Google and look for in indexes. The same happens with the || operator, if bool1 evaluates to true then the whole expression will evaluate … Read more

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