Lines, Splines and StepLines
JavaScript Chart Types
Lines, Splines and StepLines
JSCharting includes extensive line support with custom makers, dash styles, dynamic data-connected markers, line only, empty element and line fit varitaions including stepline, straight line and spline visualizations.

A multidimensional trend line chart that compares two time periods.

Uses series selection to highlight line series in sync with a dropdown control.

A JavaScript line chart with multiple series illustrating Chrome browsers rise to dominance over time.
See also Area Line Chart Gallery