for example: there are two components on the page: a div B is hidden or displayed after a button is clicked on the A component.
for example: there are two components on the page: a div B is hidden or displayed after a button is clicked on the A component.
first of all, components An and B can pass values to each other between the parent and child components of page P
page P <-(showFlag)-> component A
page P <-(showFlag)-> component B
Page P sets a common variable showFlag, to pass to A, and A component internally modifies showFlag, to be passed to Page P by Synchronize.
component B receives a showFlag value to hide div
B components use v-show to control with a value, change this value after clicking the button on A
1, use vuex
2, use eventbus
3, and pass
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