on the official website of Vue, when I scroll to the details of "declarative rendering" on the right, the title corresponding to the left directory bar is also highlighted.
tell me how to achieve this effect with js, and what is the idea.
on the official website of Vue, when I scroll to the details of "declarative rendering" on the right, the title corresponding to the left directory bar is also highlighted.
tell me how to achieve this effect with js, and what is the idea.
you can refer to this article , which is mainly to monitor the scrolling event, judge the distance
monitor the scrolling time, judge the scroll bar position, modify the element style
monitor the mouse pulley scrolling event, determine the scrolling position, and write a highlighted style. Add in
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