chore: Node 全局对象

Author: ceilf6

NodeJS/sandboxs/GlobalObject.js

@@ -0,0 +1,40 @@
+const timerId = setTimeout(() => { }, 1000)
+console.log(timerId) // 浏览器计时器ID是数字，Node中是对象
+
+console.log(__dirname) // (webpack)
+console.log(globalThis.__dirname)
+console.log(__filename)
+
+const bufferArr = Buffer.from("ceilf6", "utf-8")
+console.log(bufferArr) // <Buffer 63 65 69 6c 66 36>
+
+console.log(process.cwd())
+/*
+a86198@wangjinghongdeMacBook-Pro Lab % node NodeJS/sandboxs/index.js
+/Users/a86198/Desktop/Lab
+*/
+
+// for (let i = 0; i < 10; i++) {
+//     console.log(i)
+//     if (i === 3)
+//         process.exit(0) // '提前退出')
+// }
+// console.log('后面退出')
+
+console.log(process.argv) // 获取命令的所有 args
+/*
+node "/Users/a86198/Desktop/Lab/NodeJS/sandboxs/index.js" ceilf6 so handsome
+[
+  '/opt/homebrew/Cellar/node/24.7.0/bin/node',
+  '/Users/a86198/Desktop/Lab/NodeJS/sandboxs/index.js',
+  'ceilf6',
+  'so',
+  'handsome'
+]
+*/
+
+console.log(process.platform) // darwin // Apple 开发的一个类 Unix 操作系统
+
+// process.kill(49757)
+
+console.log(process.env) // 环境变量 键值对