index.html

<!--Author: Kishin Karra
github: https://github.com/killroywashere
-->

<script src="scripts.js"></script>
<div class="main">
    <style>
        body {
            margin: 0;
        }

        .main {
            width: 100vw;
            height: 100vh;
            overflow: hidden;
            display: flex;
            justify-content: center;
            background-color: #b1b1b1;
            align-items: center;
            flex-direction: column;
        }

        .download-button,
        .cancel-button {
            background: #1b1b1b;
            border: none;
            border-radius: 10px;
            width: 300px;
            height: 100px;
            color: #b1b1b1;
            display: block;
            margin: 10px;
            cursor: pointer;
            font-size: larger;
            outline: none;
        }

        .cancel-button {
            display: none;
        }

        .title {
            color: #1b1b1b;
        }

        .description {
            color: #1b1b1b;
        }
    </style>
    <div class="title">
        <h1>Fetch request API Demo</h1>
    </div>
    <div class="description">
        <h3>Open network and observe actions after start and cancel button click</h3>
    </div>
    <button class="download-button" id="startBtn" onclick="startClicked()">Start Download</button>
    <button class="cancel-button" id="cancelBtn" onclick="cancelClicked()"> Cancel Download</button>
    <div id="error">
    </div>
</div>