Refresh in C3.js doesn't work

Question

I'm trying to use $interval function in C3.js to refresh bar chart with new value

$interval(function() {
    $scope.chart.load({
      columns: ["England", 5]
    });
  }, 1000);

but the value isn't displayed after interval function execution. Here is the plunker

Answer 1

列是数组的数组-因此双方括号

      columns: [["England", 5]]