score:31

Accepted answer

Found the answer here.

Numbers are formatted with a subset of float formatting conventions from the C library funciton sprintf. The formatting is appended inside the variable brackets, separated by a colon. For example:

  • Two decimal places: "{point.y:.2f}"
  • Thousands separator, no decimal places: {point.y:,.0f}
  • Thousands separator, one decimal place: {point.y:,.1f}

So using :,.1f inside the brackets will format the number correctly.

tooltip: {
  pointFormat: '{series.name}: <b>{point.y}</b><br/>' + 'Count: <b>{point.count:,.1f}</b><br/>',
  shared: true
}

jsFiddle

score:3

In our case tooltipFormatter applies format only for y property, I found couple ways how to add format not only for y,

  1. add format for each tooltip and for each property like this point.count:,.f

    pointFormat: '{series.name}: <b>{point.count:,.f}</b><br/>' + 'Count: <b>{point.y}</b><br/>',

  2. create small extension like this

    (function (Highcharts) {
  var tooltipFormatter = Highcharts.Point.prototype.tooltipFormatter;

  Highcharts.Point.prototype.tooltipFormatter = function (pointFormat) {
    var keys = this.options && Object.keys(this.options),
        pointArrayMap = this.series.pointArrayMap,
        tooltip;

    if (keys.length) {
      this.series.pointArrayMap = keys;
    }     

    tooltip = tooltipFormatter.call(this, pointFormat);        
    this.series.pointArrayMap = pointArrayMap || ['y'];

    return tooltip;
  }
}(Highcharts));

Example

score:16

Instaed of pointFormat, use the tooltip formatter and then Highcharts.numberFormat 

tooltip: {
            formatter:function(){

                return this.point.series.name + ': <b>' + Highcharts.numberFormat(this.point.options.count,1,',','.') + '</b><br/>' + 'Count: <b>'+Highcharts.numberFormat(this.point.y,1,',','.')+'</b><br/>';
            }
        },

Example: http://jsfiddle.net/8rx1ehjk/4/


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