Описание тега ng-switch
The ngSwitch directive is used to conditionally swap DOM structure on your template based on a scope expression. Elements within ngSwitch but without ngSwitchWhen or ngSwitchDefault directives will be preserved at the location as specified in the template.
Usage
<ANY ng-switch="expression">
<ANY ng-switch-when="matchValue1">...</ANY>
<ANY ng-switch-when="matchValue2">...</ANY>
<ANY ng-switch-default>...</ANY>
</ANY>