144 lines
4.3 KiB
Markdown
144 lines
4.3 KiB
Markdown
---
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id: 5688e62ea601b2482ff8422b
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title: Profile Lookup
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challengeType: 1
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videoUrl: 'https://scrimba.com/c/cDqW2Cg'
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---
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## Description
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<section id='description'>
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We have an array of objects representing different people in our contacts lists.
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A <code>lookUpProfile</code> function that takes <code>name</code> and a property (<code>prop</code>) as arguments has been pre-written for you.
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The function should check if <code>name</code> is an actual contact's <code>firstName</code> and the given property (<code>prop</code>) is a property of that contact.
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If both are true, then return the "value" of that property.
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If <code>name</code> does not correspond to any contacts then return <code>"No such contact"</code>.
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If <code>prop</code> does not correspond to any valid properties of a contact found to match <code>name</code> then return <code>"No such property"</code>.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>"Kristian", "lastName"</code> should return <code>"Vos"</code>
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testString: assert(lookUpProfile('Kristian','lastName') === "Vos", '<code>"Kristian", "lastName"</code> should return <code>"Vos"</code>');
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- text: <code>"Sherlock", "likes"</code> should return <code>["Intriguing Cases", "Violin"]</code>
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testString: assert.deepEqual(lookUpProfile("Sherlock", "likes"), ["Intriguing Cases", "Violin"], '<code>"Sherlock", "likes"</code> should return <code>["Intriguing Cases", "Violin"]</code>');
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- text: <code>"Harry","likes"</code> should return an array
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testString: assert(typeof lookUpProfile("Harry", "likes") === "object", '<code>"Harry","likes"</code> should return an array');
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- text: <code>"Bob", "number"</code> should return "No such contact"
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testString: assert(lookUpProfile("Bob", "number") === "No such contact", '<code>"Bob", "number"</code> should return "No such contact"');
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- text: <code>"Bob", "potato"</code> should return "No such contact"
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testString: assert(lookUpProfile("Bob", "potato") === "No such contact", '<code>"Bob", "potato"</code> should return "No such contact"');
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- text: <code>"Akira", "address"</code> should return "No such property"
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testString: assert(lookUpProfile("Akira", "address") === "No such property", '<code>"Akira", "address"</code> should return "No such property"');
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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//Setup
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var contacts = [
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{
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"firstName": "Akira",
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"lastName": "Laine",
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"number": "0543236543",
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"likes": ["Pizza", "Coding", "Brownie Points"]
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},
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{
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"firstName": "Harry",
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"lastName": "Potter",
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"number": "0994372684",
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"likes": ["Hogwarts", "Magic", "Hagrid"]
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},
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{
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"firstName": "Sherlock",
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"lastName": "Holmes",
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"number": "0487345643",
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"likes": ["Intriguing Cases", "Violin"]
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},
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{
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"firstName": "Kristian",
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"lastName": "Vos",
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"number": "unknown",
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"likes": ["JavaScript", "Gaming", "Foxes"]
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}
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];
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function lookUpProfile(name, prop){
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// Only change code below this line
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// Only change code above this line
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}
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// Change these values to test your function
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lookUpProfile("Akira", "likes");
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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var contacts = [
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{
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"firstName": "Akira",
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"lastName": "Laine",
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"number": "0543236543",
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"likes": ["Pizza", "Coding", "Brownie Points"]
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},
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{
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"firstName": "Harry",
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"lastName": "Potter",
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"number": "0994372684",
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"likes": ["Hogwarts", "Magic", "Hagrid"]
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},
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{
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"firstName": "Sherlock",
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"lastName": "Holmes",
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"number": "0487345643",
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"likes": ["Intriguing Cases", "Violin"]
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},
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{
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"firstName": "Kristian",
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"lastName": "Vos",
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"number": "unknown",
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"likes": ["JavaScript", "Gaming", "Foxes"]
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},
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];
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//Write your function in between these comments
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function lookUpProfile(name, prop){
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for(var i in contacts){
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if(contacts[i].firstName === name) {
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return contacts[i][prop] || "No such property";
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}
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}
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return "No such contact";
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}
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//Write your function in between these comments
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lookUpProfile("Akira", "likes");
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```
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</section>
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