score:6

Accepted answer

you can use setvisible function:

    $('#button').click(function () {
    if(sliced)
        chart.series[0].data[0].setvisible(true);
    else
chart.series[0].data[0].setvisible(false);

        sliced=!sliced;
    });

http://jsfiddle.net/f3lx6cxk/1/


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