Convert A String To A New String

Question 1

First Step

Answer 1

create a variable that holds the string value and ignores case:
let word = str.toLowerCase();

Question 2

Second Step

Answer 2

Create a variable to hold the finished string to return after it’s looped through
let unique = ‘’;

Question 3

Third Step

Answer 3

Loop through all letters in the string:
for (let i = 0; i < words.length; i++) {

}

Question 4

Fourth Step (Inside the loop)

Answer 4

//check for letters that repeat:

if (word.lastIndexOf(word[i]) === word.indexOf(word[i]) {

//for each character that never duplicates, place ‘(‘
unique += ‘(‘;
} else {
//for each that is a duplicate, place ‘)’
unique += ‘)’

Question 5

Final Step

Answer 5

return unique;