amirho/react.dev
1
0
Fork 0
mirror of https://github.com/reactjs/react.dev.git synced 2026-02-25 23:05:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

explanation about "state updates are merged" (#3956)

Browse Source
This commit is contained in:
VAMSI DEVALLA
2021-10-18 05:01:10 -04:00
committed by GitHub
parent 4133943e71
commit f78f3b125f
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
content/tutorial/tutorial.md
View File

@@ -1147,6 +1147,7 @@ Next, we'll define the `jumpTo` method in Game to update that `stepNumber`. We a
// this method has not changed
}
```
Notice in `jumpTo` method, we haven't updated history property of the state. That is because state updates are merged or in more simple words react will update only the properties mentioned in `setState` method leaving the remaining state as that is. For more info **[see the documentation](https://reactjs.org/docs/state-and-lifecycle.html#state-updates-are-merged)**
We will now make a few changes to the Game's `handleClick` method which fires when you click on a square.