Basic Javascript Replace Loops Using BPIHtNSErk

Web Reference: The replace method loops through the string (because of /g in the regex) and finds all instances of {n} where n is a number. $1 captures the number and the function replaces {n} with params [n]. FreeCodeCamp;Full stack web design; JavaScript In the first example, using var, the variable declared in the loop redeclares the variable outside the loop. In the second example, using let, the variable declared in the loop does not redeclare the variable outside the loop.

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