angularjs - How to add class name with the existing class name -

i getting classname server red,blue or green. trying add class element. nothing happening.

any 1 correct me please?

here try:

    <span class="prostatus" ng-class="{activeapp.status}"> //class not adds       {{activeapp.status}} //i getting `blue` here.    </span>

just put as,

<span class="prostatus {{activeapp.status}}"> ...

or more efficiently

<span class="prostatus" ng-class="activeapp.status"> ....

here doc

it says can bind scope value as,

$scope.classname = 'this-is-class-name';  <span class="prostatus" ng-class="classname">

why use { } in ng-class

if want apply css class based on condition below,

<span class="prostatus" ng-class="{ 'classname' : applyclass }">

css class classname apply span when applyclass sets true

Alconcel