javascript - Change legend style from bar to line chart.js 2.4.0 - Stack Overflow
Creating a custom chart.js legend style
Google Charts tutorial - Basic Line Chart with Customizable line style - chart js - By Microsoft Award MVP - google graphs - google charts examples - Learn in 30sec | wikitechy
Line Charts - Line Segment Styling - 《Chart.js v3.3.0 Documentation》 - 书栈网· BookStack