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What is the keep alive

Posted on Sept. 23, 2022, 3:37 p.m. by Bailey McNabb
Category: The front end Tag: The front end

keep-alive

role

The redirect of the route will result in the destruction and reconstruction of the component, which will definitely cause the home page to reload. The keep-alive lease can cache the routing component. Keep-alive is a container in which components are not deleted but cached. When a route redirects, components are not deleted but left in memory.

grammar

keep-alive :include="[' component name 1', 'component name 2']
	view-router /
/keep-alive
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Application scenarios

When a component needs to be used frequently

summary

Keep-alive: This component is provided by VUE to cache components

Two additional lifecycle functions

After keep-alive, the component has two more lifecycle hook functions

activated () {}
deactivated () {}
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. To be added

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