javascript - How to change tool tip using High Charts -


i have created chart using high chart compare expected time & arrival time of patient.

however, having issue label of columns; displaying time in milliseconds.

the screen shot below shows issue:

enter image description here

how change label display time in format (h:m:s)

code: 

<script type="text/javascript">         function drawchart(){             var chart = new highcharts.chart({                 chart: {                     renderto: 'divforchart',                     type:'column',                 },                 xaxis: {                     name:'patients',                     categories: [<?php                     echo "'".$names[0]."'";                     for($i = 1; $i < sizeof($names); $i++){                         echo ",'".$names[$i]."'";                     }                     ?>]                 },                 yaxis: {                     type: 'datetime',                     datetimelabelformats: {                          //force formats hour:minute:second                         second: '%h:%m:%s',                         minute: '%h:%m:%s',                         hour: '%h:%m:%s',                         day: '%h:%m:%s',                         week: '%h:%m:%s',                         month: '%h:%m:%s',                         year: '%h:%m:%s'                     },                     min: <?php echo "date.utc(".gmdate("y,m,d,h",strtotime($mindate)).")";?>                 },                  series: [                     {                         name: 'arrival time',                         data: [<?php                             echo "['".$names[0]."',date.utc(".gmdate("y,m,d,h,i,s",strtotime($arrival_time[0])).")]";                             for($i = 1; $i < sizeof($names); $i++){                                 echo "                                 ,['".$names[$i]."',date.utc(".gmdate("y,m,d,h,i,s",strtotime($arrival_time[$i])).")]";                             }                         ?>]                     },                     {                         name: 'expected time',                         data: [<?php                             echo "['".$names[0]."',date.utc(".gmdate("y,m,d,h,i,s",strtotime($expected_time[0])).")]";                             for($i = 1; $i < sizeof($names); $i++){                                 echo "                                 ,['".$names[$i]."',date.utc(".gmdate("y,m,d,h,i,s",strtotime($expected_time[$i])).")]";                             }                         ?>]                     }                 ]             });         }     </script>     </head>     <body onload="drawchart()">      <div id="divforchart" style="height: 400px"></div>     </body>

by of it, referring tooltip, not datalabel. can use formatter function format date properly:

http://api.highcharts.com/highcharts#tooltip.formatter

(if in fact talking datalabel, can same thing still: http://api.highcharts.com/highcharts#plotoptions.series.datalabels.formatter )

i think default numberformat y axis value, want instead use dateformat function in formatter:

http://api.highcharts.com/highcharts#highcharts.dateformat%28%29

if need implementing, create jsfiddle ( http://jsfiddle.net/ ) , post back


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