When comparing Chart.js vs Livegap charts, the Slant community recommends Chart.js for most people. In the question“What are the best JavaScript charting libraries? ” Chart.js is ranked 1st while Livegap charts is ranked 15th. The most important reason people chose Chart.js is:
The library contains a set of 6 charts and is 11Kb gzipped, this makes its loading time and page impact low.
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Pros
Pro Lightweight and fast
The library contains a set of 6 charts and is 11Kb gzipped, this makes its loading time and page impact low.
Pro Responsive charts
The charts are fully responsive, meaning they resize based on the viewport width.
Pro Clear documentation
The chart.js documentation is well organized and provides detailed information on using each feature.
Pro Plugin support
Many plugins available via NPM and you can easily write your own
Pro Free
Tool to easily create beautiful chart from any data then save as image or animated HTML Charts
Pro Charts can be exported to multiple formats
Charts can be exported to images or HTML.
Pro Can be opened from the browser
The tool is online and can be used from a web browser, no application is needed.
Cons
Con Limited features
Chart.js currently offers only 6 graph types, and lacks the flexibility offered by other options. For example, controlling the display of tooltips is fairly limited.
Con Canvas based
Canvas it bitmap based and shares the same issues as non-vector formats.

Con No candlestick charts
Con No gantt chart
