angularjs设置focus

Usage

<input type="text" focus-on="focusMe"/>

app.controller('MyCtrl',function($scope,focus) {
    focus('focusMe');
});

Source

app.directive('focusOn',function() {
   return function(scope,elem,attr) {
      scope.$on('focusOn',function(e,name) {
        if(name === attr.focusOn) {
          elem[0].focus();
        }
      });
   };
});

app.factory('focus',function ($rootScope,$timeout) {
  return function(name) {
    $timeout(function (){
      $rootScope.$broadcast('focusOn',name);
    });
  }
});

（编辑：李大同）

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