freeCodeCamp/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/find-the-length-of-a-string.english.md

id, title, challengeType

id	title	challengeType
bd7123c9c448eddfaeb5bdef	Find the Length of a String	1

Description

You can find the length of a String value by writing .length after the string variable or string literal. "Alan Peter".length; // 10 For example, if we created a variable var firstName = "Charles", we could find out how long the string "Charles" is by using the firstName.length property.

Instructions

Use the .length property to count the number of characters in the lastName variable and assign it to lastNameLength.

Tests

tests:
  - text: <code>lastNameLength</code> should be equal to eight.
    testString: 'assert((function(){if(typeof lastNameLength !== "undefined" && typeof lastNameLength === "number" && lastNameLength === 8){return true;}else{return false;}})(), "<code>lastNameLength</code> should be equal to eight.");'
  - text: 'You should be getting the length of <code>lastName</code> by using <code>.length</code> like this: <code>lastName.length</code>.'
    testString: 'assert((function(){if(code.match(/\.length/gi) && code.match(/\.length/gi).length >= 2 && code.match(/var lastNameLength \= 0;/gi) && code.match(/var lastNameLength \= 0;/gi).length >= 1){return true;}else{return false;}})(), "You should be getting the length of <code>lastName</code> by using <code>.length</code> like this: <code>lastName.length</code>.");'

Challenge Seed

// Example
var firstNameLength = 0;
var firstName = "Ada";

firstNameLength = firstName.length;

// Setup
var lastNameLength = 0;
var lastName = "Lovelace";

// Only change code below this line.

lastNameLength = lastName;

After Test

console.info('after the test');

Solution

var firstNameLength = 0;
var firstName = "Ada";
firstNameLength = firstName.length;

var lastNameLength = 0;
var lastName = "Lovelace";
lastNameLength = lastName.length;