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Thread: Need help with objects.

  1. #1
    Join Date
    Dec 2007
    Posts
    3

    Question Need help with objects.

    I'm having difficulty with objects.

    I'm using dojo chart to create a chart.

    If I assign the chart directly. completes successfully.

    Code:
    var chartObject = {};
    
    createchart();
    addGraphXaxis(chartObject )
    ;
    function createchart(){
      chartObject = new Chart("cns_chartNode1");
    }
    
    function addGraphXaxis(iChart){
      try{iChart.addSeries('Customer Port', data);}catch(err){}
    }
    If I change the create function to return the chart. Then I get a TypeError: iChart is undefined in the addGraphXaxis function.

    Code:
    chartObject = createchart("cns_chartNode1")
    
    function createchart(iNodeName){
      wChart = new Chart(iNodeName);
      return wChart;
    }
    I've cut the code down to the core components.

    Any ideas as to what is going on? I'm fairly new to javascript.

  2. #2
    Join Date
    Feb 2003
    Location
    Michigan, USA
    Posts
    5,774
    Your code would need to look like this:

    Code:
    var chartObject = createchart();
    addGraphXaxis(chartObject);
    
    function createchart(){
      var wChart = new Chart("cns_chartNode1");
      return WChart;
    }
    function addGraphXaxis(iChart){
    try{iChart.addSeries('Customer Port', data);}catch(err){}
    }

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