command: l, paste data array to redraw chart
https://github.com/vivekgalatage/RGraph
https://demo.huihoo.com/rgraph/docs/line.html
https://demo.huihoo.com/rgraph/docs/index.html
http://plustensandbox.com/apps/careerdashboard/docs/index.html

We can use the Object.getOwnPropertyNames() function to get all the property names linked to an object.
https://flaviocopes.com/how-to-list-object-methods-javascript/

Object.keys(myObject);
(36) ["id", "canvas", "context", "x", "coords", "coordsText", "original_colors", "maxLabelLength", "firstDraw", "type", "isRGraph", "uid", "properties", "$0", "Set", "set", "Get", "get", "Draw", "draw", "exec", "getObjectByXY", "getShape", "Highlight", "highlight", "parseColors", "reset", "parseSingleColorForGradient", "DrawYAxis", "drawYAxis", "getWidth", "on", "firstDrawFunc", "gutterTop", "gutterBottom", "colorsParsed"]