Highcharts - Wrong date in tooltip -

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fiddle - http://jsfiddle.net/z8fw7/

when hover on column can see weird big number, coming from.

if add 1 more date entry. e.g

    [date.utc(2010,2,31), 28.84],      [date.utc(2011,2,31), 28.84],      [date.utc(2012,2,31), 32.65]

the tooltip displays proper year value expected. works flawlessly 3 data values while not work 2 data values. how can make sure works 2 data values.

looks bug in highcharts 2 data points when using pointformat. suggest using more customizable formatter function.

so in option configuring tooltip, use this:

tooltip: {     formatter: function() {         var date = new date(this.x);         var year = date.getfullyear();         return year + '<br/>' + '<span style="color:'+this.series.color+'">'+ this.series.name +'</span>: '+ this.y + '%';      }, }

works fine 2 data points or 3, etc. see: http://jsfiddle.net/uqbkq/


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