1.9 KiB
1.9 KiB
id, title, localeTitle, challengeType
id | title | localeTitle | challengeType |
---|---|---|---|
bd7123c9c451eddfaeb5bdef | Use Bracket Notation to Find the Last Character in a String | Use la notación de corchete para encontrar el último carácter en una cadena | 1 |
Description
var firstName = "Charles"
, puede obtener el valor de la última letra de la cadena usando firstName[firstName.length - 1]
.
Instructions
lastName
.
Pista Intenta mirar la declaración de la variable
lastLetterOfFirstName
si te quedas atascado.
Tests
tests:
- text: <code>lastLetterOfLastName</code> debe ser "e".
testString: 'assert(lastLetterOfLastName === "e", "<code>lastLetterOfLastName</code> should be "e".");'
- text: Tienes que usar <code>.length</code> para obtener la última letra.
testString: 'assert(code.match(/\.length/g).length === 2, "You have to use <code>.length</code> to get the last letter.");'
Challenge Seed
// Example
var firstName = "Ada";
var lastLetterOfFirstName = firstName[firstName.length - 1];
// Setup
var lastName = "Lovelace";
// Only change code below this line.
var lastLetterOfLastName = lastName;
After Test
console.info('after the test');
Solution
var firstName = "Ada";
var lastLetterOfFirstName = firstName[firstName.length - 1];
var lastName = "Lovelace";
var lastLetterOfLastName = lastName[lastName.length - 1];