javascript - Get Selected Value of Area Chart -

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i'm having problems writing simple directive updates d3 area chart using angularjs.

here demo

this model:

app.controller('chartcontroller', ['$scope' , 'chartservice', function ($scope, chartservice) {      $scope.data = chartservice; }]);

when select range using sub chart, want values of selected date in label or input.

following code worked me.

brush.extent()

may


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