the array set in data, setData is populated with list, but the length of the array is still an empty array. What is the principle of this?
the array set in data, setData is populated with list, but the length of the array is still an empty array. What is the principle of this?
onLoad is the first function in the life cycle
your setData hasn't been executed
so length equals 0
you can't console in onLoad, man
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