What is the good practice to initialize a variable inside a function that is getting called simultaneously like a call back function for s...
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the second is better because the first will have to get re-allocated after every call and will never disappear. whereas in the second, you use constant variables, which is a good pattern, but also the fact that it is local to the block of the arrow function, the GC can automatically know to de-allocate
searchResultsafter the end of allsearchResult(term)calls.Agreed, plus the second one reads a little bit cleaner.
Ah! Yes, if it is outside function, it will remain there even after the function execution and won't be deallocated. Makes sense. Thanks.