JSFiddle - React, Tailwind, and code Playground

by Town

JavaScript

json = [];
json[0] = {};
json[0].DeviceReference = "2d7136570b00";
json[0].Latitude = 53.5297127;
json[0].Longitude = -2.95309663;
json[0].Speed = -1.0;
json[0].SpeedLimit = 13;
json[0].SpeedLimitMph = 30;
json[0].SpeedMph = -1.0;
json[0].Timestamp = "2017-12-19T14:52:58.072+00:00";
json[1] = {};
json[1].DeviceReference = "2d7136570b00";
json[1].Latitude = 53.52967;
json[1].Longitude = -2.953012;
json[1].Speed = 0.0;
json[1].SpeedLimit = 0;
json[1].SpeedLimitMph = -1;
json[1].SpeedMph = 0.0;
json[1].Timestamp = "2017-12-19T14:55:47.987+00:00";
json[2] = {};
json[2].DeviceReference = "2d7136570b00";
json[2].Latitude = 53.529705;
json[2].Longitude = -2.952975;
json[2].Speed = 0.0;
json[2].SpeedLimit = 0;
json[2].SpeedLimitMph = -1;
json[2].SpeedMph = 0.0;
json[2].Timestamp = "2017-12-19T14:56:50.805+00:00";
json[3] = {};
json[3].DeviceReference = "2d7136570b00";
json[3].Latitude = 53.5272255;
json[3].Longitude = -2.95247126;
json[3].Speed = 15.91;
json[3].SpeedLimit = 13;
json[3].SpeedLimitMph = 30;
json[3].SpeedMph = 35.58965606525615;
json[3].Timestamp = "2017-12-19T15:01:40+00:00";
json[4] = {};
json[4].DeviceReference = "2d7136570b00";
json[4].Latitude = 53.5249138;
json[4].Longitude = -2.95080352;
json[4].Speed = 12.55;
json[4].SpeedLimit = 13;
json[4].SpeedLimitMph = 30;
json[4].SpeedMph = 28.073550891944485;
json[4].Timestamp = "2017-12-19T15:01:59+00:00";
json[5] = {};
json[5].DeviceReference = "2d7136570b00";
json[5].Latitude = 53.5228348;
json[5].Longitude = -2.94833374;
json[5].Speed = 13.85;
json[5].SpeedLimit = 13;
json[5].SpeedLimitMph = 30;
json[5].SpeedMph = 30.981568498276946;
json[5].Timestamp = "2017-12-19T15:02:25+00:00";
json[6] = {};
json[6].DeviceReference = "2d7136570b00";
json[6].Latitude = 53.52055;
json[6].Longitude = -2.946724;
json[6].Speed = 10.03;
json[6].SpeedLimit = 0;
json[6].SpeedLimitMph = -1;
json[6].SpeedMph = 22.436470411979222;
json[6].Timestamp = "2017-12-19T15:02:51+00:00";
json[7] = {};
json[7].DeviceReference =...