javascript - How to set rtl property based on language change in angularjs? -


hi developing angularjs application , multilingual application english , arabic. whenever select arabic language want apply rtl support html tag. work fine want based on language selection.

below html code

<div class="language">  <a href="#" ng-click="changelanguage(lang == 'de_ar' ? 'de_en' : 'de_ar')">   <img ng-src="images/{{ lang == 'de_ar' ? 'english.png' : 'arabic.png' }}" />  </a> </div>

below angular code

$scope.changelanguage = function (lang) {   $scope.lang = lang == 'de_ar' ? 'de_ar' : 'de_en';   $cookiestore.put("preferredlanguage", $scope.lang);   $translate.use($scope.lang); }

in above code if language selected want add otherwise . tried below. 

if($scope.lang="de_ar") {  $scope.rtl="rtl" }

below html tag.

<html ng-app="roslpapp"  dir="{{rtl}}">

above code doesnt provide rtl support. may fix this? may know missing here? appreciated. thank you.

you can ternary operations on $scope.lang decide whether page should ltr or rtl

<html ng-app="roslpapp" ng-controller="roslpappcontroller"  dir="{{lang=='de_ar'?'rtl':'ltr'}}">

you have define ternary conditions within scope of controller trigger. place ng-controller on html tag or move dir place defining ng-controller


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