Update 03.一文彻底搞懂ReactHooks的原理和实现.md #165
Open
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
当点击事件触发再次渲染，并不会进入条件判断中的 useState。所以，cursor=2 的时候对应的变量是 num2。而其实 num2 对应的 cursor 应该是 1。就会导致`setNum2`并不起作用。
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
当点击事件触发再次渲染，并不会进入条件判断中的 useState。所以，cursor=2 的时候对应的变量是 num2。而其实 num2 对应的 cursor 应该是 1。就会导致
setNum2并不起作用。