AngularJS binds unsafe:javascript:void(0) when value is javascipt:void(0)

<a ng-attr-href="{{page==1 && 'javascript:void(0)' || '#a/'+tid+'/'+(page-1)}}">Prev</a>

I want to get that when page = 1

<a href="javascript:void(0)">Prev</a>

But the result:

<a href="unsafe:javascript:void(0)">Prev</a>

---

Use ng-click in <a>

<a href="" ng-click="go(tid)">

And in controller

app.controller('whatever', function($scope, $location){
    $scope.go = function(id){
       if($scope.page == 1) {
           return;
       }
       var url = '/a/' + id + '/' + ($scope.page - 1);
       $location.url(url);
    }
});

This way you also move logic out of template.

---

use ng-click on a and pass $event to your function.

<a href="#" ng-click="yourFunction($event);">Click</a> 

In your function do the following

$scope.yourFunction = function(e) {
        e.preventDefault();
};

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