The error event is fired on an element when a resource failed to load, or can't be used. For example, if a script has an execution error or an image can't be found or is invalid.
This event is not cancelable and does not bubble.
Syntax
Use the event name in methods like addEventListener(), or set an event handler property.
js
addEventListener("error", (event) => {});onerror = (event) => {};Event type
Examples
Live example
HTML
html
<div class="controls"> <button id="img-error" type="button">Generate image error</button> <img class="bad-img" /></div><div class="event-log"> <label for="eventLog">Event log:</label> <textarea readonly class="event-log-contents" rows="8" cols="30" id="eventLog"></textarea></div>body { display: grid; grid-template-areas: "control log";}.controls { grid-area: control; display: flex; align-items: center; justify-content: center;}.event-log { grid-area: log;}.event-log-contents { resize: none;}label,button { display: block;}button { height: 2rem; margin: 0.5rem;}img { width: 0; height: 0;}JavaScript
js
const log = document.querySelector(".event-log-contents");const badImg = document.querySelector(".bad-img");badImg.addEventListener("error", (event) => { log.textContent += `${event.type}: Loading image\n`; console.log(event);});const imgError = document.querySelector("#img-error");imgError.addEventListener("click", () => { badImg.setAttribute("src", "i-dont-exist");});Result
Specifications
| Specification |
|---|
| UI Events # event-type-error |
Browser compatibility
BCD tables only load in the browser
