[Solved]-How to select array from Highchart.series?-Highcharts

You can retrieve the data this way:

$('#button').click(function () {
    var chart = $('#container').highcharts();
    data = chart.series[0].data;
    $(chart.series[0].data).each(function (index, element) {            
        alert(this.y);
    });
});

Working demo: http://jsfiddle.net/ErzQs/1/