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                ## 1.argv參數相關 ~~~ const {argv,argv0,execArgv,execPath} = process; argv.forEach(item=>{ console.log(item) }) //argv打印一個參數是啟動的命令,第二個是文件所在的路徑 //C:\Program Files\nodejs\node.exe //D:\mayunPro\node\01入門教程\06argv.js ~~~ - argv0保留了argv的引用- - execPath調用腳本的路徑 ## 2.env環境相關參數 ~~~ const {env} = process; //打印環境相關的參數 console.log(env) ~~~ ## 3.cwd是方法,打印當前process執行的路徑 ~~~ console.log(process.cwd()) // D:\mayunPro\node\01入門教程 ~~~ ## 4.timer --兩者都是異步的 >process.nextTick優先執行 ~~~ setImmediate(()=>{ console.log("setImmediate") }) process.nextTick(()=>{ console.log("nextTick") }) //輸出 程序執行完畢 nextTick setImmediate ~~~ process.nextTick()被放置到當前隊列的隊尾。 setImmediate()放在一個隊列的隊頭。
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