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id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 69738771fb5a7b8b24cca2a3 | Challenge 177: String Mirror | 28 | challenge-177 |
--description--
Given a string, return a new string that consists of the given string with a reversed copy of itself appended to the end of it.
--hints--
mirror("freeCodeCamp") should return "freeCodeCamppmaCedoCeerf".
assert.equal(mirror("freeCodeCamp"), "freeCodeCamppmaCedoCeerf");
mirror("RaceCar") should return "RaceCarraCecaR".
assert.equal(mirror("RaceCar"), "RaceCarraCecaR");
mirror("helloworld") should return "helloworlddlrowolleh".
assert.equal(mirror("helloworld"), "helloworlddlrowolleh");
mirror("The quick brown fox...") should return "The quick brown fox......xof nworb kciuq ehT".
assert.equal(mirror("The quick brown fox..."), "The quick brown fox......xof nworb kciuq ehT");
--seed--
--seed-contents--
function mirror(str) {
return str;
}
--solutions--
function mirror(str) {
const reversed = str.split("").reverse().join("");
return str + reversed;
}