react-calculator | React calculator bootstrapped with create-react-app | Frontend Framework library
kandi X-RAY | react-calculator Summary
kandi X-RAY | react-calculator Summary
Accessibility focused basic React calculator bootstrapped with create-react-app.
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react-calculator Key Features
react-calculator Examples and Code Snippets
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QUESTION
I am a beginner at React.js. Trying to optimize my code (a simple Calculator on reactjs). I have many subfunctions for handle some operations like add new Number, or choose Operation (+, -) and etc. How to refactor them, to make only one function to handle all operations in one place?
code from App.js
...ANSWER
Answered 2020-Sep-27 at 16:32One simple approach would be to create a new function that wraps all your other functions within it. The new function takes in a parameter (string perhaps) that defines the type of operation that you wish to do (e.g. "add", "equal", etc). Then use a javascript switch/case statement to trigger which of your functions to use and return the results.
Let me illustrate it with an example using your code..
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Install react-calculator
Create a .env file in the root of the project and include your own AWS Amazon Polly credentials. YOu can use as reference the file included in the repo .env.example
Runs the app in the development mode. Open http://localhost:3000 to view it in the browser. The page will reload if you make edits. You will also see any lint errors in the console. Builds the app for production to the build folder. It correctly bundles React in production mode and optimizes the build for the best performance.
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