Chartjs - How to Change Ticks or Legend Font Sizes

Chartjs ticks font size falls under the namespace of options/scales/x (or y) /ticks/font/size. Legend font size fall under options/plugins/legend/labels/font/size.

Playground

By clicking the "Get Sample Codes" button, there will be a line chart with input attributes and its HTML codes.
Ticks (y-axis) Font Size:
Legend Font Size:

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