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Dashboard Advanced

The Advanced tab allows you to define the JavaScript handler of the preRender event which raises prior rendering.

preRender(config, logger, processor, el)

Occurs right before the chart starts rendering. You can modify the configuration in this handler.

config is a configuration object that will be used to render the chart. Supported types:

logger is a Logger instance.

processor is the chart builder which is currently processing your data.

el is a jQuery object wrapping an HTML-container where the chart will be rendered.

Returns Deferred, Promise or another object.
If you need to call an asynchronous operation, you can return a Deferred or Promise object and resolve it when the operation completes.