Created
August 29, 2012 04:33
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highcharts - show label for first and last data points in a series
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| plotOptions: { | |
| line : { | |
| dataLabels : { | |
| enabled : true, | |
| formatter: function() { | |
| var first = this.series.data[0], | |
| last = this.series.data[this.series.data.length - 1]; | |
| if ((this.point.category === first.category && this.point.y === first.y) || | |
| (this.point.category === last.category && this.point.y === last.y)) { | |
| return this.point.y; | |
| } | |
| return ""; | |
| } | |
| }, | |
| }, | |
| } |
performance impact
Great, thanks!
For the latest versions:
formatter() {
return (this.isFirst || this.isLast) ? this.value : '';
},https://api.highcharts.com/highcharts/xAxis.labels.formatter
thank you soo much.
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Nice!