find.js updated

Author: Fithi-Teklom

Sprint-3/3-stretch/find.js

@@ -20,6 +20,14 @@ console.log(find("code your future", "z"));
 // Pay particular attention to the following:
 
 // a) How the index variable updates during the call to find
+//The variable index starts at 0 and increases by 1 every time the loop runs (index++).
+//It keeps track of the current position in the string.
 // b) What is the if statement used to check
+//The if statement checks whether the current character (str[index]) is equal to the one we’re searching for (char).
+//If it is, we immediately return index.
 // c) Why is index++ being used?
+//It moves to the next character in the string during each loop iteration.
+//Without it, the loop would never move forward — it would keep checking the same character forever (infinite loop 🔁
 // d) What is the condition index < str.length used for?
+//That’s the loop condition — it keeps the loop running as long as index is less than the length of the string.
+//Once index equals str.length, it means we’ve checked every character, and the loop stops.