Before the v3 version of React Router, there was the onEnter hook function, which also supports the static routing configuration; however, after the v4 version, the hook function was removed, which is officially intended to be provided to developers, who can play it freely. In this case, we can only realize it ourselves. At present, th ...
Posted by sandrine2411 on Sat, 04 Apr 2020 13:35:56 -0700
The communication between the React subcomponent and the parent component includes the following aspects:
1. The child component gets the parent component property: props or state
2. Method of child component calling parent component
3. The parent component gets the properties of the child component: props or state
Posted by mrmufin on Sat, 04 Apr 2020 12:02:30 -0700
Scala Actor concurrent programming WordCount
Write a stand-alone WordCount with actor concurrent programming, take multiple files as input, summarize multiple tasks after calculation, and get the final result.
1. Continuously receive messages through loop +react
2. Using case class sample cla ...
Posted by php_b34st on Sat, 04 Apr 2020 09:28:51 -0700
Thank you for your reference- http://bjbsair.com/2020-04-01/tech-info/18408.html
Pictures from the Internet
The version of react route V6 alpha has been released. This week, we will analyze the changes through the article a snake peak at react route V6.
React Router v6: https://github.com/ReactTraining/react-router
A Sneak Peek ...
Posted by pojr on Sat, 04 Apr 2020 03:50:13 -0700
This time, we use the case of getting user data online and rendering it into a list to demonstrate dva.js.
The whole development process should be summarized as follows:
Write user list model - > write method to modify model - > write service interface - > write ...
Posted by caminator on Fri, 03 Apr 2020 23:26:46 -0700
React SERIES V (react props)
1, Using React Props
The main difference between state and props is that props is immutable, and state can be changed according to the interaction with users.
This is why some container components need to define state to update and modify data. Sub components can only pass data through props.
Posted by The Eagle on Thu, 02 Apr 2020 22:10:33 -0700
1. JSX syntax
In react, the syntax of jsx is used to display DOM elements. The react template of a basic jsx syntax is as follows:
The essence of this approach is: embed js expressions in html!!
How does the compiler compile jsx syntax? The rule is as follows: when it comes to parsi ...
Posted by disaster77 on Tue, 31 Mar 2020 11:08:21 -0700
This article refers to the original- http://bjbsair.com/2020-03-22/tech-info/2095/
Vue next is the source warehouse of vue3. Vue3 uses lerna to divide the package, while the responsive capability @ vue/reactivity is divided into a separate package.
If we want to integrate it into React, is it feasible? Let's have a try.
Posted by double on Tue, 24 Mar 2020 01:02:28 -0700
This article is based on a basic shopping cart demand, step by step, to give you a deep understanding of the pit and Optimization in React Hook
You can learn from this article:
A kind of Practice of writing business components with React Hook + TypeScript
A kind of How to use React.memo to optimize performance
A kind of ...
Posted by Karamja on Fri, 20 Mar 2020 13:28:36 -0700
The following example scenario is written by myself after I read the official document.
Please refer to: Official document: Status Improvement
The following scenarios are the same as the temperature conversion scenarios in the official documents: Temperature value conversion scenario
Let's start my scene,
Posted by madcat on Thu, 19 Mar 2020 09:43:53 -0700