A standalone JavaScript data visualization library for creating statistical, 3D, scientific, and financial charts.
Plotly.js is an open-source JavaScript charting library that enables developers to create interactive, publication-quality data visualizations for the web. It powers the visualization components of Plotly's Python and R libraries and supports dozens of chart types from basic line graphs to complex 3D scientific visualizations. The library solves the problem of creating sophisticated, browser-based data visualizations without requiring proprietary tools.
Data scientists, researchers, and web developers who need to embed interactive charts in web applications, dashboards, or scientific publications. It's particularly valuable for teams working across Python, R, and JavaScript ecosystems who want consistent visualization capabilities.
Developers choose Plotly.js for its comprehensive chart type support, seamless integration across multiple programming languages, and robust interactivity features. Its open-source nature and active maintenance by Plotly ensure reliability while offering customization options through modular bundles.
Open-source JavaScript charting library behind Plotly and Dash
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Supports dozens of chart types including 3D graphs, maps, and financial charts, as highlighted in the README's key features, enabling diverse visualization needs.
Includes zoom, pan, hover tooltips, and click events by default, making charts engaging without additional coding, as described in the interactive visualizations feature.
Offers partial bundles and custom bundling to optimize file size, detailed in the Bundles section, allowing developers to tailor the library to their project's needs.
Uses WebGL for rendering complex 3D and large datasets, ensuring smooth performance for intensive visualizations, as noted in the WebGL support feature.
Supports mathematical typesetting within charts via MathJax v2 or v3, useful for scientific and academic applications, with examples provided in the README.
Even with modular bundles, the full library is hefty, impacting page load times for simple projects, and custom bundling requires extra setup effort.
Creating custom bundles involves manual configuration and understanding of the build process, as referenced in CUSTOM_BUNDLE.md, which can be daunting for beginners.
As of v2, 'plotly-latest' CDN links are frozen at v1.58.5, requiring explicit version specification and ongoing maintenance, as warned in the README.
Documentation is hosted separately on plotly.com, which may not be as convenient as integrated docs or offline access, potentially slowing down development.