curriculum/challenges/english/blocks/learn-asynchronous-programming-by-building-an-fcc-forum-leaderboard/644b6d20eabd7e0149383254.md
Inside your forumCategory function, create a new let variable named selectedCategory and assign it an empty object. This will be used to store the category name and class name for each category.
You should use let to declare a variable named selectedCategory.
assert.match(code, /\s*let\s+selectedCategory\s*/);
You should assign an empty object to the selectedCategory variable.
assert.match(code, /\s*let\s+selectedCategory\s*=\s*{\s*}\s*/);
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>fCC Forum Leaderboard</title>
<link rel="stylesheet" href="./styles.css" />
</head>
<body>
<header>
<nav>
</nav>
<h1 class="title">Latest Topics</h1>
</header>
<main>
<div class="table-wrapper">
<table>
<thead>
<tr>
<th id="topics">Topics</th>
<th id="avatars">Avatars</th>
<th id="replies">Replies</th>
<th id="views">Views</th>
<th id="activity">Activity</th>
</tr>
</thead>
<tbody id="posts-container"></tbody>
</table>
</div>
</main>
<script src="./script.js"></script>
</body>
</html>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
:root {
--main-bg-color: #2a2a40;
--black: #000;
--dark-navy: #0a0a23;
--dark-grey: #d0d0d5;
--medium-grey: #dfdfe2;
--light-grey: #f5f6f7;
--peach: #f28373;
--salmon-color: #f0aea9;
--light-blue: #8bd9f6;
--light-orange: #f8b172;
--light-green: #93cb5b;
--golden-yellow: #f1ba33;
--gold: #f9aa23;
--green: #6bca6b;
}
body {
background-color: var(--main-bg-color);
}
nav {
background-color: var(--dark-navy);
padding: 10px 0;
}
.fcc-logo {
width: 210px;
display: block;
margin: auto;
}
.title {
margin: 25px 0;
text-align: center;
color: var(--light-grey);
}
.table-wrapper {
padding: 0 25px;
overflow-x: auto;
}
table {
width: 100%;
color: var(--dark-grey);
margin: auto;
table-layout: fixed;
border-collapse: collapse;
overflow-x: scroll;
}
#topics {
text-align: start;
width: 60%;
}
th {
border-bottom: 2px solid var(--dark-grey);
padding-bottom: 10px;
font-size: 1.3rem;
}
td:not(:first-child) {
text-align: center;
}
td {
border-bottom: 1px solid var(--dark-grey);
padding: 20px 0;
}
.post-title {
font-size: 1.2rem;
color: var(--medium-grey);
text-decoration: none;
}
.category {
padding: 3px;
color: var(--black);
text-decoration: none;
display: block;
width: fit-content;
margin: 10px 0 10px;
}
.career {
background-color: var(--salmon-color);
}
.feedback,
.html-css {
background-color: var(--light-blue);
}
.support {
background-color: var(--light-orange);
}
.general {
background-color: var(--light-green);
}
.javascript {
background-color: var(--golden-yellow);
}
.backend {
background-color: var(--gold);
}
.python {
background-color: var(--green);
}
.motivation {
background-color: var(--peach);
}
.avatar-container {
display: flex;
justify-content: center;
gap: 10px;
flex-wrap: wrap;
}
.avatar-container img {
width: 30px;
height: 30px;
}
@media (max-width: 750px) {
.table-wrapper {
padding: 0 15px;
}
table {
width: 700px;
}
th {
font-size: 1.2rem;
}
.post-title {
font-size: 1.1rem;
}
}
const forumLatest = "https://cdn.freecodecamp.org/curriculum/forum-latest/latest.json";
const forumTopicUrl = "https://forum.freecodecamp.org/t/";
const forumCategoryUrl = "https://forum.freecodecamp.org/c/";
const avatarUrl = "https://sea1.discourse-cdn.com/freecodecamp";
const postsContainer = document.getElementById("posts-container");
const allCategories = {
299: { category: "Career Advice", className: "career" },
409: { category: "Project Feedback", className: "feedback" },
417: { category: "freeCodeCamp Support", className: "support" },
421: { category: "JavaScript", className: "javascript" },
423: { category: "HTML - CSS", className: "html-css" },
424: { category: "Python", className: "python" },
432: { category: "You Can Do This!", className: "motivation" },
560: { category: "Back-End Development", className: "backend" },
};
--fcc-editable-region--
const forumCategory = (id) => {
};
--fcc-editable-region--
const timeAgo = (time) => {
const currentTime = new Date();
const lastPost = new Date(time);
const timeDifference = currentTime - lastPost;
const msPerMinute = 1000 * 60;
const minutesAgo = Math.floor(timeDifference / msPerMinute);
const hoursAgo = Math.floor(minutesAgo / 60);
const daysAgo = Math.floor(hoursAgo / 24);
if (minutesAgo < 60) {
return `${minutesAgo}m ago`;
}
if (hoursAgo < 24) {
return `${hoursAgo}h ago`;
}
return `${daysAgo}d ago`;
};
const viewCount = (views) => {
const thousands = Math.floor(views / 1000);
if (views >= 1000) {
return `${thousands}k`;
}
return views;
};
const fetchData = async () => {
try {
const res = await fetch(forumLatest);
const data = await res.json();
showLatestPosts(data);
} catch (err) {
console.log(err);
}
};
fetchData();
const showLatestPosts = (data) => {
const { topic_list, users } = data;
const { topics } = topic_list;
postsContainer.innerHTML = topics.map((item) => {
const {
id,
title,
views,
posts_count,
slug,
posters,_id,
bumped_at,
} = item;
return `
<tr>
<td>
<p class="post-title">${title}</p>
</td>
<td></td>
<td>${posts_count - 1}</td>
<td>${viewCount(views)}</td>
<td>${timeAgo(bumped_at)}</td>
</tr>`;
}).join("");
};