This feature is experimental. It may be changed or removed in a future version.
Creates an element with the given selector
and appends it to this layer's
outmost element.
Also see up.element.affix()
.
layer = up.layer.open()
element = layer.affix(.klass')
element.parentElement // returns 'main'
element.className // returns 'klass'
The CSS selector from which to create an element.
An object of attributes to set on the created element.
The text content of the created element.
An object of CSS properties that will be set as the inline style of the created element.
The given object must use kebab-case keys.