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var chart = new ApexCharts(document.querySelector("#chart"), options); chart.render().then(() => { chart.dataURI().then(({ imgURI, blob }) => { var pdf = new jsPDF(); pdf.addImage(imgURI, 'PNG', 0, 0); pdf.save("download.pdf"); }) })
31 Μαρ 2017 · I have used chart.js to generate a report page that has multiple charts. I need to export this report to PDF. There are many solutions available via search, but I cannot find one which has multiple canvas elements.
This is a list of 10 working graphs (bar chart, pie chart, line chart, etc.) with colors and data set up to render decent looking charts that you can copy and paste into your own projects, and quickly get going with customizing and fine-tuning to make them fit your style and purpose. To use these examples, make sure to also include Chart.js:
10 Νοε 2020 · Chart.js is an open-source data visualization library. HTML5 charts using JavaScript render animated charts with interactive legends and data points.
12 Σεπ 2024 · In this section, we've explored the various data formats supported by Chart.js, methods for loading data from external files such as JSON and CSV, and how to implement dynamic data updates for real-time visualization.
2 Νοε 2022 · Here is the codepen with a working sample. https://codepen.io/stockinail/pen/OJENbwM. An additional plugin is needed to color the background of the canvas, as reported in CHARt.JS doc https://www.chartjs.org/docs/latest/configuration/canvas-background.html:
18 Φεβ 2022 · Basically, the main steps are: Initialize a new jsPDF instance. Get all charts as HTML Elements. Convert each HTML Element with chart into image (with htmlToImage library) Add converted chart image to the pdf doc with jsPDF's addImage() method. As we are adding multiple charts, create a new pdf page when needed.
