diff --git a/Week1/js3-hw-w1/app.js b/Week1/js3-hw-w1/app.js
new file mode 100644
index 000000000..5eb8cb2d5
--- /dev/null
+++ b/Week1/js3-hw-w1/app.js
@@ -0,0 +1,116 @@
+'user strict';
+
+
+const url = "https://api.github.com/orgs/HackYourFuture/repos?per_page=100";
+
+function fetchJSON(url, cb) {
+
+    const request = new XMLHttpRequest();
+
+    request.open("GET", url);
+    request.responseType = "json";
+
+    request.onreadystatechange = () => {
+        if (request.readyState === 4) {
+            if (request.status < 400) {
+                cb(null, request.response);
+            } else {
+                cb(new Error(request.statusText));
+            }
+        }
+    };
+
+    request.send();
+}
+
+
+function callback(error, data) {
+    if (error !== null) {
+    } else {
+        renderRepo(data);
+    }
+}
+fetchJSON(url, callback);
+
+function renderRepo(repo) {
+    const root = document.getElementById('root');
+    const listItem = createAndAppend('div', root);
+    listItem.id = 'listItem';
+    const listItemName = createAndAppend('p', listItem);
+    listItemName.innerHTML = 'HackYourFuture Repositories';
+    const select = createAndAppend('select', listItem);
+    const repoBox = createAndAppend('div', root);
+    repoBox.id = 'repo-box';
+    const contributorBox = createAndAppend('div', root);
+    contributorBox.id = 'contributors-box';
+    select.addEventListener("change", () => repoInfo(select.value));
+    repo.forEach(repo => {
+        const option = createAndAppend('option', select);
+        option.innerHTML = repo.name;
+        option.setAttribute('value', repo.name);
+    });
+    repoInfo(select.value);
+}
+
+function createAndAppend(tagName, parent) {
+    const element = document.createElement(tagName);
+    parent.appendChild(element);
+    return element;
+}
+
+function repoInfo(repoName) {
+    const urlContributor = 'https://api.github.com/repos/HackYourFuture/' + repoName + '/contributors';
+    const repoUrl = 'https://api.github.com/repos/HackYourFuture/' + repoName;
+    fetchJSON(urlContributor, listRenderContributor);
+    fetchJSON(repoUrl, repoInfoData);
+}
+
+function listRenderContributor(err, dataContributor) {
+    if (err !== null) {
+    } else {
+        renderContributors(dataContributor);
+    }
+}
+function repoInfoData(err, dataContributor) {
+    if (err !== null) {
+    } else {
+        renderRepoToHTML(dataContributor);
+    }
+}
+
+function renderRepoToHTML(repoInfo) {
+    const repoBox = document.getElementById('repo-box');
+    repoBox.innerHTML = '';
+    const p = createAndAppend('p', repoBox);
+    const repoName = createAndAppend('p', repoBox);
+    const forks = createAndAppend('p', repoBox);
+    const updated = createAndAppend('p', repoBox);
+    repoName.innerHTML = 'repo: &nbsp;&nbsp;&nbsp;' + repoInfo.name;
+    forks.innerHTML = 'Forks: &nbsp;&nbsp;&nbsp;' + repoInfo.forks_count;
+    updated.innerHTML = 'Updated: &nbsp;&nbsp;&nbsp;' + repoInfo.updated_at;
+    p.innerHTML = 'Description: &nbsp;&nbsp;&nbsp;' + repoInfo.description;
+}
+
+
+
+function createAndAppend2(name, parent) {
+    const elem = document.createElement(name);
+    parent.appendChild(elem);
+    return elem;
+}
+
+function renderContributors(contributors) {
+    const container = document.getElementById('contributors-box');
+    container.innerHTML = '';
+    const Contributions = createAndAppend('p', container);
+    Contributions.innerHTML = 'Contributions';
+    const ul = createAndAppend2('ul', container);
+    contributors.forEach(contributor => {
+        const li = createAndAppend2('li', ul);
+        li.innerHTML = "";
+        const img = createAndAppend('img', li);
+        li.innerHTML = contributor.login + " &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; " + contributor.contributions + "<img src=" + contributor.avatar_url + ">";
+        img.setAttribute('src', contributor.avatar_url);
+        li.setAttribute('value', contributor.login);
+    });
+}
diff --git a/Week1/js3-hw-w1/index.html b/Week1/js3-hw-w1/index.html
new file mode 100644
index 000000000..6c36796bc
--- /dev/null
+++ b/Week1/js3-hw-w1/index.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <link rel="stylesheet" href="Style.css" />
+    <title>HYF Repos</title>
+</head>
+
+<body>
+    <div id="root"></div>
+
+    <script src="app.js"></script>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/Week1/js3-hw-w1/style.css b/Week1/js3-hw-w1/style.css
new file mode 100644
index 000000000..202ee65e0
--- /dev/null
+++ b/Week1/js3-hw-w1/style.css
@@ -0,0 +1,60 @@
+
+
+html {
+    margin: 50px;
+    font-family: sans-serif;
+    font-size: 1.2em;
+
+}
+
+div #listItem {
+    background-color: #1b0ed4;
+    width: 100%;
+    height: 100px;
+}
+
+div #listItem p {
+    font-size: 2.2em;
+    text-align: center;
+    color: white;
+    float: left;
+    margin: 25px;
+}
+
+select {
+    font-size: 1.2em;
+    margin-top: 25px;
+    margin-left: 10px;
+    border: 1px solid;
+    padding: 10px 10px;
+}
+
+div #repo-box {
+    border: 1px solid;
+    padding: 20px 20px;
+    width: 40%;
+    margin-top: 5%;
+    width: 45%;
+    display: inline-block;
+}
+
+div #contributors-box {
+    border: 1px solid;
+    padding: 20px 20px;
+    width: 40%;
+    margin-top: 5%;
+    display: block;
+    float: right;
+}
+
+li {
+    list-style: none;
+    text-align: center;
+    height: 100px;
+}
+
+img {
+    width: 75px;
+    height: 75px;
+    float: left;
+}
\ No newline at end of file