InfluxDB is an open-source time series database that stores and queries large amounts of data over time, making it ideal for applications that require fast storage and retrieval functionality. In this article, you learned how to use Chart.js in tandem with InfluxDB Cloud to build time series data visualizations. You also learned how to set up a project with Chart.js, create basic charts such as bar and line charts, and visualize the data using a line chart and a scatter plot. Additionally, you discovered how to write data to your bucket using Flux, query the data from InfluxDB Cloud using JavaScript, and fetch the data from the API to display on a webpage. The article also provides resources for further learning about time series analysis methods, forecasts and projections, automations and workflows with InfluxDB, and more.