ui-view
(service in module ui.router.state.diretive
)
The ui-view directive tells $state where to place your templates. A view can be unnamed or named.
<ui-view ui-view="{string}"> </ui-view>as attribute
<ANY ui-view="{string}"> ... </ANY>as class
<ANY class="ui-view: {string};"> ... </ANY>
ui-view – {string} –
A view name.