visible

Specifies the default visibility of a series. Defaults to true.

dataSeries: [{
    visible: false,
    seriesType: "line",
    data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
}]

This setting is demonstrated in the following example.