//A simple bar chart structure 4
let chart = d3_rs_bars.html()
.labelTime('%a'); //format the epoch time using string specifiers
//datum using epoch time dataset
let data = [{"l":1466511212000,"v":[5,4,2]},{"l":1466856812000,"v":[2,2,4]},{"l":1466684012000,"v":[3,1,2]}]
d3.select('body')
.datum(data)
.call(chart);