Respuesta :

Answer is given below

Explanation:

the index of the string "noisy"

and

substringIndex with the index is express as here given below

when we update with replace wiseProverb as "noisy" with "squeaky"

than

var wiseProverb = "The noisy wheel gets the grease.";

var substringIndex = 0;

substringIndex = wiseProverb.indexOf("noisy");

wiseProverb.replace("noisy", "squeaky");

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