chartjs request api
npm install node-chartjs
npm install chart.js
npm install opn
npm install chart.js@2.4
npm install request
npm install body-parser
node chart.js
api - json to chart file
npm install node-chartjs
npm install chart.js
npm install opn
npm install chart.js@2.4
npm install request
npm install body-parser
node chart.js
api - json to chart file