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What is the method to modify the port number in react

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Release： 2020-12-07 16:14:52
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What is the method to modify the port number in react

The specific steps are as follows:

(Related recommendations: react tutorial)

First open the package.json file of the react project ;

Then i modify the start key-value pair in scripts to 

"start": "react-scripts start"
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. 

"scripts": {  
"start": "set PORT=9000 && react-scripts start",  
"build": "react-scripts build",  
"test": "react-scripts test --env=jsdom",  
"eject": "react-scripts eject"
}
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