Custom Html5 Video Player Codepen -

On CodePen, CSS is where the magic happens. We want the controls to overlay the video and appear only when the user hovers over the player. Use code with caution. Step 3: Powering it with JavaScript

video width: 100%; height: auto; display: block; vertical-align: middle; custom html5 video player codepen

fullscreenButton.addEventListener('click', () => if (document.fullscreenElement) document.exitFullscreen(); else video.requestFullscreen(); On CodePen, CSS is where the magic happens

Before diving into the code, let’s clarify why you’d build a custom player instead of relying on the native one. if (document.fullscreenElement) document.exitFullscreen()

// update duration display function updateDuration() if (video.duration && !isNaN(video.duration)) durationSpan.innerText = formatTime(video.duration); else durationSpan.innerText = "0:00";