Question

find the index of the string near and assign substringindex with the index. then, update wiseproverb replacing near with close.
note: your code will be tested with more values for wiseproverb.
1 let wiseproverb = \keep your friends near and your enemies closer.\;
2 let substringindex = 0;
3
4 / your solution goes here /
5

Explanation:

Step1: Find the index of "near"

Use the indexOf method. substringIndex = wiseProverb.indexOf("near");

Step2: Replace "near" with "close"

Use the replace method. wiseProverb = wiseProverb.replace("near", "close");

Answer:

let wiseProverb = "Keep your friends near and your enemies closer.";
let substringIndex = 0;
substringIndex = wiseProverb.indexOf("near");
wiseProverb = wiseProverb.replace("near", "close");