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test.js 文件利用 child_process 执行 node test.js 命令会有什么效果?

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test.js

const { spawn } = require('child_process');
const ls = spawn('node', ['test.js']);

ls.stdout.on('data', (data) => {
	console.log(data.toString());		
});

ls.stderr.on('data', (data) => {
	console.log(data.toString());		
})

ls.on('close', (code) => {
	console.log("Exit Code: "+code);		
})

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