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CypressError: Cypress does not support multiple tabs

Cypress cannot interact with multiple browser tabs. Links with target='_blank' will open in the same tab if visited directly.

Common Causes

  1. 1Link has target='_blank' attribute
  2. 2JavaScript opens a new tab via window.open()
  3. 3Test tries to interact with content in a different tab

How to Fix

Remove target attribute and verify the href

cy.get('a[href="/external"]')
  .should('have.attr', 'target', '_blank')
  .invoke('removeAttr', 'target')
  .click();

Remove the target='_blank' attribute so the link opens in the same tab.

Visit the URL directly

cy.get('a[href="/external"]')
  .invoke('attr', 'href')
  .then((href) => {
    cy.visit(href);
  });

Extract the href and visit it directly instead of clicking the link.

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Related Errors

CypressError: cy.origin() — Visiting a cross-origin URL

Cypress cannot visit a different domain within the same test by default. Cross-origin navigation requires the cy.origin() command.

CypressError: cy.visit() failed

cy.visit() failed to load the target URL. The server may be unreachable, or the response status code indicates an error.

CypressError: Timed out retrying after 4000ms

A Cypress command timed out while retrying. Cypress automatically retries assertions until the timeout, then fails. The default is 4 seconds.

CypressError: Expected to find element but never found it

Cypress could not find any element matching the selector within the timeout period. The element may not exist, may have a different selector, or may not have been rendered yet.

CypressError: element has been detached from the DOM

The element that Cypress was interacting with was removed from the DOM and re-rendered. This is common in React/Vue/Angular apps where components re-render.