CustomEvent: detail property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The read-only detail property of the CustomEvent interface returns any data passed when initializing the event.
Value
Whatever data the event was initialized with.
Example
js
// create custom events const catFound = new CustomEvent("animalfound", { detail: { name: "cat", }, }); const dogFound = new CustomEvent("animalfound", { detail: { name: "dog", }, }); const element = document.createElement("div"); // create a <div> element // add an appropriate event listener element.addEventListener("animalfound", (e) => console.log(e.detail.name)); // dispatch the events element.dispatchEvent(catFound); element.dispatchEvent(dogFound); // "cat" and "dog" logged in the console Specifications
| Specification |
|---|
| DOM # ref-for-dom-customevent-detail② |