Link not opening in system browser in ionic

Question

I am in process of making an ionic application and trying to open a link in app using cordova.InAppBrowser but I get this error when I click it

Application Error
net::ERR_FILE_NOT_FOUND (file:///android_assets/www/(item.url))

MY Code

 <div ng-repeat="item in object.torrents" class="button-bar bar-dark" >
  <a onclick="window.open('(item.url)', '_system' );" class="button">Open</a>

</div>

Answer 1

Html Code 
<a ng-click = openUrl(item.url); class="button">button</a>

js Code

$scope.openUrl = function(url) {
    //alert(url);
    window.open(url, '_blank', 'location=no');
  }