JavaScript code to generate dynamic line graphs/charts

Dynamic charts created with JavaScript are useful for displaying time-varying data directly. Using line charts for real-time charts is very popular. They are interactive, responsive, support animations and live updates.

The example below illustrates a line chart template created with JavaScript . It updates data every 500 milliseconds. The article also provides source code for you to edit in the browser or save to your computer to run locally.

Source : CanvasJS

Chart customization

Crosshaircan be activated in the graph by creating a crosshair object. Other popular customization options are lineColor(line color), lineThickness(line thickness)…

Kareem Winters

Update 24 July 2023