javascript - Highchart doesnt load when button is clicked -

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my second highchart doesnt seem load. cant figure out did wrong.

http://jsfiddle.net/2k9k9/

$(document).ready(function() {  $("#b").click(function () {      $.get('dataset/verkeer.csv', function (data) { var series = preprocessdata(data); var = chart.series.length; while (i--) {     chart.series[0].remove(false); //remove prevbious series }  console.log('hoi');    = series.length; while(i--){      chart.addseries(series[i], true);    }  }); }); });

i used following example: http://jsfiddle.net/vdac6/


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