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  1. add support for subscripts and superscripts to the Renderer buildText function.

    29 votes
    4 comments  ·  Highcharts Javascript API  ·  Admin →
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    Erlend commented  · 

    You can use the html <sup> and <sub> thusly:

    xAxis: {
    categories: ['y<sub>1</sub>', '', 'x<sup>2</sup>'],
    labels: {
    useHTML: true
    }
    }

    and in tooltips:

    tooltip: {
    formatter: function() {
    return ''+ this.series.name +': '+ this.y +' <sup>millions</sup>';
    },
    useHTML: true
    },