Uploaded August 2025 | Updated September 2026, 1 week ago
This video shows using "cy.filter" command with attribute selector, plus ":not" pseudo-selector and existence assertions. Find the full recipe at glebbahmutov.com/cypress-examples
This video shows using "cy.filter" command with attribute selector, plus ":not" pseudo-selector and existence assertions. Find the full recipe at glebbahmutov.com/cypress-examples





![Dispatch Custom HTML Events From Cypress Tests
Sometimes an element on the page subscribes to custom events. You can dispatch events using plain HTML method el.dispatchEvent or by using Cypress command cy.trigger
cy.get(#signal).then(function ($el) {
$el[0].dispatchEvent(new CustomEvent(go))
})
// using cy.trigger
cy.get(#signal).trigger(warn)
Find the full example recipe at https://glebbahmutov.com/cypress-examples/ Dispatch Custom HTML Events From Cypress Tests](https://i.ytimg.com/vi/qCqzS3LtSeI/mqdefault.jpg)




