Secondary development (undocumented and unaccompanied) sees a string of
types.SET_ACTIVE_TAB I found it in the reference file mutation_types.js . The result is
export default {
SET_ACTIVE_TAB: "SET_ACTIVE_TAB",
}; I"d like to ask you guys why the type.SET_ACTIVE_TAB in the front part of this function-like format should be enclosed in square brackets. What are these brackets for?
mean that the key of the object is a variable. Export a method named SET_ACTIVE_TAB
the final result is
export default {
SET_ACTIVE_TAB(state, tab) {
...
}
} this is ES6 style calculated attribute naming
refer to
ide/mutations.html" rel=" nofollow noreferrer "> use constants instead of Mutation event types
attribute name expression
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