30-seconds-of-code
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A collection of useful JavaScript snippets.
18 lines (13 loc) • 647 B
Markdown
Triggers a specific event on a given element, optionally passing custom data.
Use `new CustomEvent()` to create an event from the specified `eventType` and details.
Use `el.dispatchEvent()` to trigger the newly created event on the given element.
Omit the third argument, `detail`, if you do not want to pass custom data to the triggered event.
```js
const triggerEvent = (el, eventType, detail = undefined) =>
el.dispatchEvent(new CustomEvent(eventType, { detail: detail }));
```
```js
triggerEvent(document.getElementById('myId'), 'click');
triggerEvent(document.getElementById('myId'), 'click', { username: 'bob' });
```