freeCodeCamp/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/use-bracket-notation-to-find-the-last-character-in-a-string.md
Oliver Eyton-Williams ee1e8abd87
feat(curriculum): restore seed + solution to Chinese (#40683)
* feat(tools): add seed/solution restore script

* chore(curriculum): remove empty sections' markers

* chore(curriculum): add seed + solution to Chinese

* chore: remove old formatter

* fix: update getChallenges

parse translated challenges separately, without reference to the source

* chore(curriculum): add dashedName to English

* chore(curriculum): add dashedName to Chinese

* refactor: remove unused challenge property 'name'

* fix: relax dashedName requirement

* fix: stray tag

Remove stray `pre` tag from challenge file.

Signed-off-by: nhcarrigan <nhcarrigan@gmail.com>

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
2021-01-12 19:31:00 -07:00

1.3 KiB

id, title, challengeType, videoUrl, forumTopicId, dashedName
id title challengeType videoUrl forumTopicId dashedName
bd7123c9c451eddfaeb5bdef Use Bracket Notation to Find the Last Character in a String 1 https://scrimba.com/c/cBZQGcv 18342 use-bracket-notation-to-find-the-last-character-in-a-string

--description--

In order to get the last letter of a string, you can subtract one from the string's length.

For example, if var firstName = "Charles", you can get the value of the last letter of the string by using firstName[firstName.length - 1].

Example:

var firstName = "Charles";
var lastLetter = firstName[firstName.length - 1]; // lastLetter is "s"

--instructions--

Use bracket notation to find the last character in the lastName variable.

Hint: Try looking at the example above if you get stuck.

--hints--

lastLetterOfLastName should be "e".

assert(lastLetterOfLastName === 'e');

You should use .length to get the last letter.

assert(code.match(/\.length/g).length > 0);

--seed--

--after-user-code--

(function(v){return v;})(lastLetterOfLastName);

--seed-contents--

// Setup
var lastName = "Lovelace";

// Only change code below this line
var lastLetterOfLastName = lastName; // Change this line

--solutions--

var lastName = "Lovelace";
var lastLetterOfLastName = lastName[lastName.length - 1];