The error event is fired when the resource could not be loaded due to an error (for example, a network connectivity problem).
This event is not cancelable and does not bubble.
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("error", (event) => { })
onerror = (event) => { }A generic Event.
const video = document.querySelector("video");
const videoSrc = "https://path/to/video.webm";
video.addEventListener("error", () => {
console.error(`Error loading: ${videoSrc}`);
});
video.setAttribute("src", videoSrc);