如何在highchart顶部显示网格线

How to display grid line on top of highchart

如何在图表顶部显示网格线,

我的图表中有红色网格线,如何在图表顶部显示网格线

我正在尝试在 css

中设置索引

代码:

$(function () {
    $('#container').highcharts({

        credits: {
            enabled: false
        },

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

                yAxis: {
            gridLineColor: 'red'
        },

        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]
        }]
    });
});

Fiddle link: http://jsfiddle.net/pewx4esm/1/

非常感谢帮助

试试这个:

$(function () {
$('#container').highcharts({
    credits: {
        enabled: false
    },

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

            yAxis: {
        gridLineColor: 'red',
                gridZIndex:90
    },

    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]
    }]
});

通过 http://www.highcharts.com/docs/chart-and-series-types/chart-types 寻求有关任何 属性 highcharts

的帮助