ElementStacks

by Fusher

HTML

<div id="container" style="height: 400px"></div>

<button id="button">Get Y axis extremes</button>
<div id="report"></div>

JavaScript

var chart = new Highcharts.Chart({
    chart: {
        renderTo: 'container',
        type: 'column'
    },

    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },

    series: [{
        data: [-29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]}]
});


// the button action
$('#button').click(function() {
    var extremes = chart.yAxis[0].getExtremes()
    $('#report').html('dataMax: ' + extremes.dataMax + '<br/>' + 'dataMin: ' + extremes.dataMin + '<br/>' + 'max: ' + extremes.max + '<br/>' + 'min: ' + extremes.min + '<br/>');
});