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How can I trigger an onchange event manually in javascript?
You can dispatch events on individual elements using the dispatchEvent method. Let's say you have an element test with an onChange event −
<input id="test" type="text"/>
Event handler −
document.querySelector('#test').addEventListener('change', () => console.log("Changed!"))
Triggering the event manually −
const e = new Event("change"); const element = document.querySelector('#test') element.dispatchEvent(e);
This will log the following −
Changed!
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