At the end of this article, after giving you a chance to see how Chart.js 2.0 works, there is a section covering the 1.0 -> 2.0 transition and what to expect when reading old Chart.js examples … As an example, one of my data from database is -0.17222. I attempting to do multiple doughnut charts on a web page. Examples can be found in the samples folder for chart-js (although some are better than others I found). Chart.js tooltip hover customization for mixed chart 5 Chart.js 2.7.0 Grouped Horizontal Bar Chart, how to get tooltip to display data for one bar, not whole group? Chart.js different x axis and tooltip format settings; Chart.js to show tooltips on pie chart; Change Chart.js tooltip caret position for doughnut chart; ChartJS tooltip label for pie chart; Open and close Chart.js tooltip To enable this, you must do two things: Specify tooltip.isHtml: true in the chart options. These chart have their own value and label. It is highly customizable, but configuring all of its options remains a challenge for some people. It adds several great enhancements to the venerable chart.js, including: tooltip functions (when download/unzip, look in the Samples folder and look at annotateFunction.html. Chart.js tooltip hover customization for mixed chart Hot Network Questions How do you write about the human condition when you don't understand humanity? When hover over any point, you can do anything.) This is all working correctly and is fine. as numeric with %. My problem is I need to display the data in the tooltips as formatted data aka. The previous examples have all used tooltips with plain text content, but the real power of HTML tooltips comes through when you can customize them using HTML markup. You'll need to write a custom tooltip function. Chart.js is a powerful data visualization library, but I know from experience that it can be tricky to just get started and get a graph to show up. This tells the chart to draw the tooltips in HTML (as opposed to SVG). As of v2.4, the callbacks unfortunately don't allow for HTML currently. chartjs / Chart.js. There is tooltipTemplate option, which should do exactly this. It is composed by several interactive examples, allowing to play with the code to … Building tooltips with d3.js This is document gives a few insights on how to add tooltips with d3.js. This is a list of 10 working graphs (bar chart, pie chart, line chart, etc.) Here is an example of what I'm trying to describe in flotcharts: ... @etimberg I would love to see how to implement this also for a Line chart. I need to change Chart.js tooltip template, so that only value part is displayed in bold. As a bit of background info, I have implemented 4 graphs using the Chart.js plugin and passed in the required data using PHP from a database. Watch 1.4k Star 52.1k Fork ... like to bypass this mechanism and use the current x position of the mouse cursor instead to show the corresponding tooltip on the line chart. These charts is sharing the css and jscript file for. There are all sorts of things that can wrong, and I often just want to have something working so I can start tweaking it.. Chart.js is a popular open source library that helps us to plot data in web applications.