cy.get.should code example
Example 1: cypress element css
cy
.get('nav') // yields <nav>
.should('be.visible') // yields <nav>
.should('have.css', 'font-family') // yields 'sans-serif'
.and('match', /serif/) // yields 'sans-serif'
Example 2: cypress check element have attribute
cy.get('input').invoke('attr', 'placeholder').should('contain', 'username')