imgerson/index.html

## index.html
<!DOCTYPE html>
<html>
    <head>
        <title>Basic interactive video with HTML5 and vanilla JavaScript</title>
    </head>
    <body>

        <!-- Read my blog post on interactive videos: https://mostlydevstuff.com/2018/basic-interactive-video-with-html5-and-javascript/  -->

        <style>
            .hide {
                display: none;
            }

            .initial {
                display: block;
            }

            .videos {
                position: relative;
                max-width: 700px;
                height: 400px;
                margin: 0 auto;
            }

            .videos video {
                max-width: 100%;
                height: auto;
            }

            .play {
                display: flex;
                align-items: center;
                justify-content: center;
                position: absolute;
                width: 100%;
                height: 98%;
                padding: 0;
                top: 0;
                background-color: rgba(0, 0, 0, .5);
            }

            .play:hover .fil1 {
                fill: #fff;
            }

            .menu {
                height: 98%;
                background-color: rgba(0, 0, 0, .5);
            }

            .menu, .menu-wrapper {
                position: absolute;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -51%);
                width: 100%;
                padding: 0;
                text-align: center;
                align-items: center;
                justify-content: center;
            }

            .menu, .menu a {
                color: #fff;
            }

            .menu a:hover {
                cursor: pointer;
            }

            .menu ul li {
                list-style-type: none;
            }

            @media only screen and (min-width: 768px) {
                .menu ul li {
                    display: inline-block;
                    margin-right: 30px;
                }
            }

            @media only screen and (max-width: 450px) {
                .show-below-450 {
                    display: block !important;
                    color: red;
                    padding-left: 0;
                    padding-right: 0;
                }
            }
        </style>

        <div class="videos">
            <div class="active initial closing">
                <video autoplay="autoplay" loop>
                    <source src="/videos/video-sky.mp4" type="video/mp4">
                </video>
            </div>
            <div class="cat hide">
                <video>
                    <source src="/videos/video-cat.mp4" type="video/mp4">
                </video>
            </div>
            <div class="cat hide">
                <video>
                    <source src="/videos/video-cat-2.mp4" type="video/mp4">
                </video>
            </div>
            <div class="dog hide">
                <video>
                    <source src="/videos/video-dog.mp4" type="video/mp4">
                </video>
            </div>
            <div class="dog hide">
                <video>
                    <source src="/videos/video-dog-2.mp4" type="video/mp4">
                </video>
            </div>
            <div class="play">
                <?xml version='1.0' encoding='utf-8'?><svg xmlns="http://www.w3.org/2000/svg" width="91.44mm" height="91.44mm" version="1.1" style="shape-rendering:geometricPrecision; text-rendering:geometricPrecision; image-rendering:optimizeQuality; fill-rule:evenodd; clip-rule:evenodd" viewBox="0 0 9144 9144"> <defs> <style type="text/css">  .fil0 {fill:#fff} .fil1 {fill:#ccc;fill-rule:nonzero}  </style> </defs> <g id="Layer_x0020_1"> <metadata id="CorelCorpID_0Corel-Layer"/> <g id="_2744492901664"><g> <path class="fil1" d="M6601 4572c0,-560 -227,-1067 -594,-1435 -368,-367 -875,-594 -1435,-594 -560,0 -1067,227 -1435,594 -367,368 -594,875 -594,1435 0,560 227,1067 594,1435 368,367 875,594 1435,594 560,0 1067,-227 1435,-594 367,-368 594,-875 594,-1435zm-2513 791l1231 -791 -1231 -792 0 1583zm1442 -717l-1478 949c-14,11 -32,17 -52,17 -49,0 -88,-39 -88,-88l0 -1905 0 0c0,-16 4,-33 14,-48 26,-40 81,-52 122,-26l1480 952 2 149zm26 -122c26,41 14,96 -26,122l26 -122zm575 -1511c399,399 646,950 646,1559 0,609 -247,1160 -646,1559 -399,399 -950,646 -1559,646 -609,0 -1160,-247 -1559,-646 -399,-399 -646,-950 -646,-1559 0,-609 247,-1160 646,-1559 399,-399 950,-646 1559,-646 609,0 1160,247 1559,646z"/></g></g></g></svg>
                <!-- SVG courtesy of Pixabay: https://pixabay.com/en/play-icon-player-button-outline-2935460/ -->
            </div>
            <div class="menu hide">
                <div class="menu-wrapper">
                    <div class="initial hide">
                        <h3>Hi! I bet you like animals (just like me!).</h1>
                        <h4>The question is... are you a cat person or a dog person?</h2>
                    </div>
                    <div class="closing hide">
                        <h3>I hope you enjoyed it!</h3>
                        <h4>Would you like to choose a different option now?</h4>
                    </div>
                    <div class="options hide">
                        <ul>
                            <li><a id="cat-person">A cat person!</a></li>
                            <li><a id="dog-person">A dog person!</a></li>
                            <li><a href="https://twitter.com/intent/tweet?text=How to create an interactive video with %23HTML5 and %23JavaScript&via=imgersonr&url=https://mostlydevstuff.com/2018/interactive-video-with-html5-and-javascript/" target="_blank">Share demo!</a></li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>

        <div class="hide show-below-450 mb15">
            <p>Please, change your phone to landscape view!</p>
        </div>

        <script>
        window.onload = function() {
            var videosContainer = document.getElementsByClassName("videos")[0];
            var menu = document.getElementsByClassName("menu")[0];
            var menuOptions = menu.getElementsByClassName("options")[0];

            var playButton = document.getElementsByClassName("play")[0];
            playButton.onclick = function() {
                playButton.style.display = "none";
                playInitialMenu();
            }

            var catPersonLink = document.getElementById("cat-person");
            catPersonLink.onclick = function() {
                showVideos(0, videosContainer.getElementsByClassName("cat"));
            }

            var dogPersonLink = document.getElementById("dog-person");
            dogPersonLink.onclick = function() {
                showVideos(0, videosContainer.getElementsByClassName("dog"));
            }

            function playInitialMenu() {
                playVideo(videosContainer.getElementsByClassName("initial")[0], loop=true);

                setTimeout (function () {
                    menu.style.display = "block";
                    menu.getElementsByClassName("initial")[0].style.display = "block";
                    menuOptions.style.display = "block";
                }, 1000);
            };

            function playClosingMenu() {
                playVideo(videosContainer.getElementsByClassName("closing")[0], loop=true);

                menu.getElementsByClassName("initial")[0].style.display = "none";

                setTimeout (function () {
                    menu.style.display = "block";
                    menu.getElementsByClassName("closing")[0].style.display = "block";
                    menuOptions.style.display = "block";
                }, 1000);
            };

            function playVideo(videoContainer, loop=false) {
                var lastVideoContainer = videosContainer.getElementsByClassName("active")[0];
                lastVideoContainer.classList.remove("active");
                lastVideoContainer.style.display = "none";

                videoContainer.style.display = "block";
                videoContainer.classList.add("active");

                var video = videoContainer.getElementsByTagName("video")[0];
                video.preload = "auto";
                video.load();
                video.play();
                video.loop = loop;

                return video;
            }

            function showVideos(index, videos) {
                if (index < (videos.length - 1)) {
                    hasNextVideo = true;
                } else {
                    hasNextVideo = false;
                }

                menu.style.display = "none";

                var video = playVideo(videos[index]);

                video.addEventListener("timeupdate", function() {
                    var currentTime = (this.currentTime / this.duration) * 100;

                    if (hasNextVideo && currentTime > 70) {
                        nextVideo = videos[index + 1];
                        nextVideoTag = nextVideo.getElementsByTagName("video")[0];
                        nextVideoTag.preload = "auto";
                    }
                })

                video.onended = function() {
                    if (hasNextVideo) {
                        showVideos(index+1, videos);
                    } else {
                        playClosingMenu();
                    }
                }
            }
        }
        </script>

    </body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Basic interactive video with HTML5 and vanilla JavaScript</title>
	</head>
	<body>

	<!-- Read my blog post on interactive videos: https://mostlydevstuff.com/2018/basic-interactive-video-with-html5-and-javascript/ -->

	<style>
	.hide {
	display: none;
	}

	.initial {
	display: block;
	}

	.videos {
	position: relative;
	max-width: 700px;
	height: 400px;
	margin: 0 auto;
	}

	.videos video {
	max-width: 100%;
	height: auto;
	}

	.play {
	display: flex;
	align-items: center;
	justify-content: center;
	position: absolute;
	width: 100%;
	height: 98%;
	padding: 0;
	top: 0;
	background-color: rgba(0, 0, 0, .5);
	}

	.play:hover .fil1 {
	fill: #fff;
	}

	.menu {
	height: 98%;
	background-color: rgba(0, 0, 0, .5);
	}

	.menu, .menu-wrapper {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -51%);
	width: 100%;
	padding: 0;
	text-align: center;
	align-items: center;
	justify-content: center;
	}

	.menu, .menu a {
	color: #fff;
	}

	.menu a:hover {
	cursor: pointer;
	}

	.menu ul li {
	list-style-type: none;
	}

	@media only screen and (min-width: 768px) {
	.menu ul li {
	display: inline-block;
	margin-right: 30px;
	}
	}

	@media only screen and (max-width: 450px) {
	.show-below-450 {
	display: block !important;
	color: red;
	padding-left: 0;
	padding-right: 0;
	}
	}
	</style>

	<div class="videos">
	<div class="active initial closing">
	<video autoplay="autoplay" loop>
	<source src="/videos/video-sky.mp4" type="video/mp4">
	</video>
	</div>
	<div class="cat hide">
	<video>
	<source src="/videos/video-cat.mp4" type="video/mp4">
	</video>
	</div>
	<div class="cat hide">
	<video>
	<source src="/videos/video-cat-2.mp4" type="video/mp4">
	</video>
	</div>
	<div class="dog hide">
	<video>
	<source src="/videos/video-dog.mp4" type="video/mp4">
	</video>
	</div>
	<div class="dog hide">
	<video>
	<source src="/videos/video-dog-2.mp4" type="video/mp4">
	</video>
	</div>
	<div class="play">
	<?xml version='1.0' encoding='utf-8'?><svg xmlns="http://www.w3.org/2000/svg" width="91.44mm" height="91.44mm" version="1.1" style="shape-rendering:geometricPrecision; text-rendering:geometricPrecision; image-rendering:optimizeQuality; fill-rule:evenodd; clip-rule:evenodd" viewBox="0 0 9144 9144"> <defs> <style type="text/css"> .fil0 {fill:#fff} .fil1 {fill:#ccc;fill-rule:nonzero} </style> </defs> <g id="Layer_x0020_1"> <metadata id="CorelCorpID_0Corel-Layer"/> <g id="_2744492901664"><g> <path class="fil1" d="M6601 4572c0,-560 -227,-1067 -594,-1435 -368,-367 -875,-594 -1435,-594 -560,0 -1067,227 -1435,594 -367,368 -594,875 -594,1435 0,560 227,1067 594,1435 368,367 875,594 1435,594 560,0 1067,-227 1435,-594 367,-368 594,-875 594,-1435zm-2513 791l1231 -791 -1231 -792 0 1583zm1442 -717l-1478 949c-14,11 -32,17 -52,17 -49,0 -88,-39 -88,-88l0 -1905 0 0c0,-16 4,-33 14,-48 26,-40 81,-52 122,-26l1480 952 2 149zm26 -122c26,41 14,96 -26,122l26 -122zm575 -1511c399,399 646,950 646,1559 0,609 -247,1160 -646,1559 -399,399 -950,646 -1559,646 -609,0 -1160,-247 -1559,-646 -399,-399 -646,-950 -646,-1559 0,-609 247,-1160 646,-1559 399,-399 950,-646 1559,-646 609,0 1160,247 1559,646z"/></g></g></g></svg>
	<!-- SVG courtesy of Pixabay: https://pixabay.com/en/play-icon-player-button-outline-2935460/ -->
	</div>
	<div class="menu hide">
	<div class="menu-wrapper">
	<div class="initial hide">
	<h3>Hi! I bet you like animals (just like me!).</h1>
	<h4>The question is... are you a cat person or a dog person?</h2>
	</div>
	<div class="closing hide">
	<h3>I hope you enjoyed it!</h3>
	<h4>Would you like to choose a different option now?</h4>
	</div>
	<div class="options hide">
	<ul>
	<li><a id="cat-person">A cat person!</a></li>
	<li><a id="dog-person">A dog person!</a></li>
	<li><a href="https://twitter.com/intent/tweet?text=How to create an interactive video with %23HTML5 and %23JavaScript&via=imgersonr&url=https://mostlydevstuff.com/2018/interactive-video-with-html5-and-javascript/" target="_blank">Share demo!</a></li>
	</ul>
	</div>
	</div>
	</div>
	</div>

	<div class="hide show-below-450 mb15">
	<p>Please, change your phone to landscape view!</p>
	</div>

	<script>
	window.onload = function() {
	var videosContainer = document.getElementsByClassName("videos")[0];
	var menu = document.getElementsByClassName("menu")[0];
	var menuOptions = menu.getElementsByClassName("options")[0];

	var playButton = document.getElementsByClassName("play")[0];
	playButton.onclick = function() {
	playButton.style.display = "none";
	playInitialMenu();
	}

	var catPersonLink = document.getElementById("cat-person");
	catPersonLink.onclick = function() {
	showVideos(0, videosContainer.getElementsByClassName("cat"));
	}

	var dogPersonLink = document.getElementById("dog-person");
	dogPersonLink.onclick = function() {
	showVideos(0, videosContainer.getElementsByClassName("dog"));
	}

	function playInitialMenu() {
	playVideo(videosContainer.getElementsByClassName("initial")[0], loop=true);

	setTimeout (function () {
	menu.style.display = "block";
	menu.getElementsByClassName("initial")[0].style.display = "block";
	menuOptions.style.display = "block";
	}, 1000);
	};

	function playClosingMenu() {
	playVideo(videosContainer.getElementsByClassName("closing")[0], loop=true);

	menu.getElementsByClassName("initial")[0].style.display = "none";

	setTimeout (function () {
	menu.style.display = "block";
	menu.getElementsByClassName("closing")[0].style.display = "block";
	menuOptions.style.display = "block";
	}, 1000);
	};

	function playVideo(videoContainer, loop=false) {
	var lastVideoContainer = videosContainer.getElementsByClassName("active")[0];
	lastVideoContainer.classList.remove("active");
	lastVideoContainer.style.display = "none";

	videoContainer.style.display = "block";
	videoContainer.classList.add("active");

	var video = videoContainer.getElementsByTagName("video")[0];
	video.preload = "auto";
	video.load();
	video.play();
	video.loop = loop;

	return video;
	}

	function showVideos(index, videos) {
	if (index < (videos.length - 1)) {
	hasNextVideo = true;
	} else {
	hasNextVideo = false;
	}

	menu.style.display = "none";

	var video = playVideo(videos[index]);

	video.addEventListener("timeupdate", function() {
	var currentTime = (this.currentTime / this.duration) * 100;

	if (hasNextVideo && currentTime > 70) {
	nextVideo = videos[index + 1];
	nextVideoTag = nextVideo.getElementsByTagName("video")[0];
	nextVideoTag.preload = "auto";
	}
	})

	video.onended = function() {
	if (hasNextVideo) {
	showVideos(index+1, videos);
	} else {
	playClosingMenu();
	}
	}
	}
	}
	</script>

	</body>
	</html>