now you need to change the style of an element on the page based on the current route when the page jumps to a route.
Boss, don"t just talk about ideas, but also talk about the specific implementation code. I am relatively bad, a lot of grammar is not very familiar with, please!
routeName:this.$route.name,
:class="{'active':routeActive==='home'}"extract this part of the function into a component, then use watch to listen for routing changes, and then set the component style according to the style of each route you want to use
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