JSFiddle - React, Tailwind, and code Playground

JavaScript

function render() {
    const video = document.createElement('video');
    video.muted = true;
    video.autoplay = true;
    video.loop =  true;
    video.setAttribute('playsinline', true);

    const source = document.createElement('source');
    source.setAttribute('src', 'https://res.cloudinary.com/dthskrjhy/video/upload/v1545324364/ASR/Typenex_Dandelion_Break_-_Fade_To_Black.mp4');

    video.appendChild(source);
    document.body.appendChild(video);
  }
  render();