// Find an element using a css selector.
by.css('.myclass')

// Find an element with the given id.
by.id('myid')

// Find an element using an input name selector.
by.name('field_name')

// Find an element with a certain ng-model.
// Note that at the moment, this is only supported for AngularJS apps.
by.model('name')

// Find an element bound to the given variable.
// Note that at the moment, this is only supported for AngularJS apps.
by.binding('bindingname')