This way you can separate the UI from Data. Creating a mixed chart starts with the initialization of a basic chart. Chart.js is a popular open source library that helps us to plot data in web applications. Generally, it’s good idea to fetch data via AJAX request rather than embedding it in the web page. I have created the graph output for dynamic data retrieved from the database. My project is indeed quite complex: I create the chart in one place, then I would like to update my chart later on in another place, by calling myLine.data = newDataObject. With Chart.js, it is possible to create mixed charts that are a combination of two or more different chart types. A common example is a bar chart that also includes a line dataset. When a user picks a new set of dates, a new request will be sent to the Cube.js server. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. The given example show how to parse JSON data from AJAX request and render chart. I'm trying to use chart.js to create a bar chart that shows the number of ad impressions in an ad buy by publication. Updating Charts. When the chart data or options are changed, Chart.js will animate to the new data values and options. Chart HTML5 Canvas Chart.js version: 2.x (2.4.0 in the test linked above) Browser: Chrome You can also use XML or CSV to plot data in the chart. And finally, the client re-renders a chart with the new data. The Cube.js server will generate new SQL code, execute it against the database, and send the result back to the client. Multiple Axes makes it easier to compare different series within the same graph instead of flipping between two charts. I read the mark data and supplied it to the Chart.js function to create the graph with the mark statistics. Adding or Removing Data. Chart.js example using Jquery Ajax to populate labels and data - chartjs_jquery_ajax_example.html Creating graph view using Chart.js is simple and easy. We’ll let the user pick a date range and based on that, reload the chart. We’ll let the user pick a date range and based on that, reload the chart. It is highly customizable, but configuring all of its options remains a challenge for some people. Environment. I'm considering moving from Highcharts to chart.js and one of the things I will need is a pie/doughnut chart with multiple datasets. I have a MySQL database table tbl_marks containing student marks. The Cube.js server will generate new SQL code, execute it against the database, and send the result back to the client. Ideas are welcome! The desired chart would show a bar for each publication representing the number of impressions for the ad on that website. Adding and removing data is supported by changing the data array. When a user picks a new set of dates, a new request will be sent to the Cube.js server. It is easy to parse JSON data and generate graph accordingly. 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