Creating dynamic fields for an ExtJS chart

Can chart axes be customized using setFields?

I looked through the documentation for a method called setFields, but couldn't find one.

While I was able to use setTitle on an axes, setting the field proved to be more challenging. I have a variable called period that contains the desired field and changes dynamically with each store update. I tried the following:

chart.axes.get('bottom').Fields = period;

Although this code does not produce any errors, it doesn't seem to work as expected...

javascriptextjscharts

Answer №1

Resolved the issue using: 

chart.axes.get('bottom').fields = [period];

Answer №2

Having a practical example to refer to would be quite beneficial.

In the world of ExtJS, object creation is centered around configurations. For instance, consider this snippet:

 axes: [{
    type: 'Numeric',
    position: 'left',
    fields: ['data1', 'data2', 'data3', 'data4', 'data5'],
    ...

The 'fields' attribute actually belongs to the Ext.chart.axis.Numeric class.

I recommend using the developer tools to inspect objects - it's a great way to learn. Don't forget to consult the API documentation as well.

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