\u4e0d\u518d\u9700\u8981 \u5c31\u662f\u8fd9\u6837\uff0c\u4e00\u4e2a\u53c2\u6570\uff0c\u4f60\u5c31\u53ef\u4ee5\u76f4\u63a5\u5728 Node.js \u4e2d\u8fd0\u884c TypeScript\u3002<\/p>\n \u4e0e\u4f20\u7edf TypeScript \u7f16\u8bd1\u4e0d\u540c\uff0c\u7c7b\u578b\u5265\u79bb\u975e\u5e38\u4f18\u96c5\u548c\u7b80\u5355\uff1a<\/p>\n \u8fd9\u4f7f\u5f97\u7c7b\u578b\u5265\u79bb \u6bd4\u5b8c\u6574 TypeScript \u7f16\u8bd1\u5feb 10-20 \u500d<\/strong>\uff0c\u56e0\u4e3a\u6ca1\u6709\u7c7b\u578b\u68c0\u67e5\u3001\u6ca1\u6709\u8f6c\u6362\u2014\u2014\u53ea\u662f\u79fb\u9664\u7c7b\u578b\u8bed\u6cd5\u3002<\/p>\n \u5f00\u53d1\u65f6<\/strong>\uff08\u5373\u65f6\u5237\u65b0\uff09\uff1a<\/p>\n \u751f\u4ea7\u65f6<\/strong>\uff08\u5355\u72ec\u7c7b\u578b\u68c0\u67e5\uff09\uff1a<\/p>\n \u6ce8\u610f\uff1a\u7c7b\u578b\u5265\u79bb\u4e0d\u4f1a\u53d6\u4ee3\u7c7b\u578b\u68c0\u67e5<\/strong>\u2014\u2014\u5b83\u53ea\u662f\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6d88\u9664\u4e86\u7f16\u8bd1\u74f6\u9888\u3002<\/p>\n HTTP\/3 \u652f\u6301\u73b0\u5df2\u7a33\u5b9a\u5e76\u9ed8\u8ba4\u542f\u7528\u3002<\/p>\n \u4f7f\u7528\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\uff1a<\/strong><\/p>\n WebGPU API \u652f\u6301\u5728 Node.js \u4e2d\u76f4\u63a5\u8fdb\u884c GPU \u52a0\u901f\u8ba1\u7b97\u3002<\/p>\n \u4f60\u53ef\u4ee5\u7528\u4e8e\uff1a<\/strong><\/p>\n \u8fd9\u4f7f\u5f97 Node.js \u53ef\u4ee5\u7528\u4e8e\u4ee5\u524d\u9700\u8981 Python \u6216\u539f\u751f\u7ed1\u5b9a\u624d\u80fd\u8fd0\u884c\u7684 AI\/ML \u5de5\u4f5c\u8d1f\u8f7d\u3002<\/p>\n \u7a33\u5b9a\u7684\u6743\u9650\u6a21\u578b\u4f7f\u4f60\u53ef\u4ee5\u5bf9\u8fd0\u884c\u65f6\u8bbf\u95ee\u6743\u9650\u8fdb\u884c\u7cbe\u7ec6\u63a7\u5236\u3002<\/p>\n \u975e\u5e38\u9002\u5408\u8fd0\u884c\u4e0d\u53d7\u4fe1\u4efb\u7684\u4ee3\u7801\u3001\u5177\u6709\u6700\u5c0f\u6743\u9650\u7684\u5fae\u670d\u52a1\uff0c\u4ee5\u53ca\u5177\u6709\u5b89\u5168\u7ea6\u675f\u7684\u8fb9\u7f18\u90e8\u7f72\u3002<\/p>\n \u539f\u751f SQLite \u652f\u6301\u5df2\u7ecf\u6210\u719f\uff0c\u5177\u6709\u6d41\u5f0f\u4f20\u8f93\u548c\u6027\u80fd\u4f18\u5316\u3002<\/p>\n \u4f7f\u7528\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\uff1a<\/strong><\/p>\n \u9a8c\u8bc1\u529f\u80fd\uff1a<\/strong><\/p>\n \u4e0d\u518d\u9700\u8981 \u76d1\u89c6\u6a21\u5f0f\u73b0\u5728\u66f4\u667a\u80fd\uff0c\u5177\u6709\u53ef\u914d\u7f6e\u7684\u884c\u4e3a\u548c\u6a21\u5f0f\u5339\u914d\uff1a<\/p>\n \u7f16\u7a0b\u5f0f\u76d1\u89c6 API\uff1a<\/strong><\/p>\n \u4e0d\u518d\u9700\u8981 \u539f\u751f\u6d4b\u8bd5\u8fd0\u884c\u7a0b\u5e8f\u5728\u529f\u80fd\u4e0a\u5df2\u7ecf\u53ef\u4ee5\u4e0e Jest \u548c Mocha \u76f8\u5ab2\u7f8e\u3002<\/p>\n \u5e26\u8986\u76d6\u7387\u8fd0\u884c\uff1a<\/strong><\/p>\n \u8f93\u51fa\uff1a<\/strong><\/p>\n \u529f\u80fd\u5305\u62ec\u5feb\u7167\u6d4b\u8bd5\u3001\u5185\u7f6e\u6a21\u62df\u3001\u5e76\u884c\u6267\u884c\u548c\u4ee3\u7801\u8986\u76d6\u7387\u2014\u2014\u65e0\u9700\u5b89\u88c5 Jest\u3001Mocha \u6216 Sinon\u3002<\/p>\n \u5de5\u4f5c\u7ebf\u7a0b\u73b0\u5728\u652f\u6301 SharedArrayBuffer\uff0c\u5e76\u4e14 API \u66f4\u7b80\u5355\u3002<\/p>\n \u65b0\u7684\u5de5\u4f5c\u7ebf API\uff1a<\/strong><\/p>\n Node.js 2026 \u7248\u672c\u7a33\u5b9a\u652f\u6301\u6700\u65b0\u7684 JavaScript \u7279\u6027\uff1a<\/p>\n Records & Tuples<\/strong>\uff08\u4e0d\u53ef\u53d8\u6570\u636e\uff09\uff1a<\/p>\n \u7ba1\u9053\u64cd\u4f5c\u7b26<\/strong>\uff1a<\/p>\n \u6a21\u5f0f\u5339\u914d<\/strong>\uff1a<\/p>\n Node.js \u5728 2026 \u5e74\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u589e\u91cf\u66f4\u65b0\u2014\u2014\u5b83\u662f\u4e00\u4e2a\u8303\u5f0f\u8f6c\u53d8\uff1a<\/p>\n \u2705 \u539f\u751f TypeScript<\/strong> = \u5f00\u53d1\u65e0\u9700\u6784\u5efa\u5de5\u5177\/ \u65e7\u7248 Node.js \u9700\u8981 50 \u591a\u4e2a\u8f6f\u4ef6\u5305\u624d\u80fd\u9ad8\u6548\u8fd0\u884c\u3002\u65b0\u7248 Node.js \u5185\u7f6e\u4e86\u5927\u90e8\u5206\u6240\u9700\u529f\u80fd\uff0c\u5e76\u4e14\u96c6\u6210\u5ea6\u66f4\u9ad8\uff0c\u6027\u80fd\u66f4\u4f73\u3002<\/p>\n \u4e8e\u662f\u5b9e\u73b0\u4e86\u66f4\u5c11\u7684\u4f9d\u8d56\u3001\u66f4\u5feb\u7684\u5f00\u53d1\u3001\u66f4\u597d\u7684\u5b89\u5168\uff0c\u4ee5\u53ca\u4ee5\u524d\u4e0d\u53ef\u80fd\u5b9e\u73b0\u7684\u65b0\u80fd\u529b\u3002<\/p>\n \u5982\u679c\u4f60\u8fd8\u6ca1\u5728 2026 \u5e74\u63a2\u7d22\u8fc7 Node.js\uff0c\u73b0\u5728\u6b63\u662f\u65f6\u5019\u3002\u8fd9\u4e2a\u5e73\u53f0\u5df2\u7ecf\u53d1\u751f\u4e86\u6839\u672c\u6027\u7684\u53d8\u9769\uff0c\u8fc7\u53bb\u7684\u79cd\u79cd\u9650\u5236\u65e9\u5df2\u4e0d\u518d\u9002\u7528\u3002<\/p>\n \u6211\u662f\u51b4\u7fbd\uff0c10 \u5e74\u7b14\u8015\u4e0d\u8f8d\uff0c\u4e13\u6ce8\u524d\u7aef\u9886\u57df\uff0c\u66f4\u65b0\u4e86 10+ \u7cfb\u5217\u3001300+ \u7bc7\u539f\u521b\u6280\u672f\u6587\u7ae0\uff0c\u7ffb\u8bd1\u8fc7 Svelte\u3001Solid.js\u3001TypeScript \u6587\u6863\uff0c\u8457\u6709\u5c0f\u518c\u300aNext.js \u5f00\u53d1\u6307\u5357\u300b\u3001\u300aSvelte \u5f00\u53d1\u6307\u5357\u300b\u3001\u300aAstro \u5b9e\u6218\u6307\u5357\u300b\u3002<\/p>\n \u6b22\u8fce\u56f4\u89c2\u6211\u7684\u201c\u7f51\u9875\u7248\u670b\u53cb\u5708<\/a>\u201d\uff0c\u5173\u6ce8\u6211\u7684\u516c\u4f17\u53f7\uff1a\u51b4\u7fbd\uff08\u6216\u641c\u7d22 yayujs\uff09<\/strong>\uff0c\u6bcf\u5929\u5206\u4eab\u524d\u7aef\u77e5\u8bc6\u3001AI \u5e72\u8d27\u3002<\/p>\nts-node<\/code>\u3001tsx<\/code> \u6216\u590d\u6742\u7684\u6784\u5efa\u914d\u7f6e\uff0c\u4f60\u53ea\u9700\u8981\uff1a<\/p>\nnode --experimental-strip-types app.ts<\/code><\/pre>\n\/\/ server.ts - \u4f7f\u7528\u7c7b\u578b\u5265\u79bb\u76f4\u63a5\u8fd0\u884c\nimport { createServer } from "node:http";\n\ninterface User {\n id: number;\n name: string;\n email: string;\n}\nclass UserDatabase {\n private users: Map<number, User> = new Map();\n\n addUser(user: User): void {\n this.users.set(user.id, user);\n }\n\n getUser(id: number): User | undefined {\n return this.users.get(id);\n }\n}\nconst db = new UserDatabase();\nconst server = createServer((req, res) => {\n res.writeHead(200, { "Content-Type": "application\/json" });\n res.end(JSON.stringify(db.getAllUsers()));\n});\nserver.listen(3000);\n\u7c7b\u578b\u5265\u79bb\u7684\u5de5\u4f5c\u539f\u7406;<\/code><\/pre>\n\n
\/\/ \u274c \u65e7\u65b9\u5f0f - \u9700\u8981\u8f6c\u6362\nenum Status {\n Active,\n Inactive,\n}\n\n\/\/ \u2705 \u65b0\u65b9\u5f0f - \u652f\u6301\u7c7b\u578b\u5265\u79bb\nconst Status = { Active: "ACTIVE", Inactive: "INACTIVE" } as const;\ntype Status = (typeof Status)[keyof typeof Status];<\/code><\/pre>\nnode --experimental-strip-types --watch server.ts<\/code><\/pre>\ntsc --noEmit # \u4ec5\u7c7b\u578b\u68c0\u67e5\nnode --experimental-strip-types server.ts<\/code><\/pre>\n<\/p>\n
2. HTTP\/3 & QUIC\uff1a\u9ed8\u8ba4\u52a0\u901f<\/h2>\n
import { request } from "node:http";\n\nconst req = request("https:\/\/api.example.com\/data", (res) => {\n console.log("Protocol:", res.httpVersion); \/\/ 3.0\n res.on("data", (chunk) => console.log(chunk.toString()));\n});\nreq.end();<\/code><\/pre>\n\n
<\/p>\n
3. \u539f\u751f WebGPU \u7528\u4e8e AI\/ML \u5de5\u4f5c\u8d1f\u8f7d<\/h2>\n
import { GPU } from "node:webgpu";\n\nconst adapter = await navigator.gpu.requestAdapter();\nconst device = await adapter.requestDevice();\n\/\/ Run matrix operations on GPU for AI inference\nconst computeShader = `\n @compute @workgroup_size(256)\n fn main(@builtin(global_invocation_id) id: vec3<u32>) {\n output[id.x] = tanh(input[id.x]);\n }\n`;<\/code><\/pre>\n\n
<\/p>\n
4. \u6743\u9650\u6a21\u578b\uff1a\u7ec6\u7c92\u5ea6\u5b89\u5168<\/h2>\n
# Restrict file system and network access\nnode --allow-fs-read=.\/data --allow-net=api.example.com app.js\n\n# Disable child processes\nnode --no-allow-child-process app.js\nimport { readFile } from 'node:fs\/promises';\n\ntry {\n const data = await readFile('\/etc\/passwd', 'utf-8');\n} catch (err) {\n console.log('Access denied:', err.code); \/\/ ERR_ACCESS_DENIED\n}<\/code><\/pre>\n5. \u5185\u7f6e SQLite \u589e\u5f3a\u529f\u80fd<\/h2>\n
import { DatabaseSync } from "node:sqlite";\n\nconst db = new DatabaseSync(".\/app.db");\n\ndb.exec(`CREATE TABLE IF NOT EXISTS users ( \n id INTEGER PRIMARY KEY, \n name TEXT, \n email TEXT UNIQUE\n)`);\n\nconst insert = db.prepare("INSERT INTO users (name, email) VALUES (?, ?)");\ninsert.run("Alice", "alice@example.com");\n\n\/\/ \u65b0\u589e\uff1a\u7528\u4e8e\u5927\u6570\u636e\u96c6\u7684\u6d41\u5f0f\u4f20\u8f93\nconst stream = db.prepareStream("SELECT * FROM large_table");\n\nfor await (const row of stream) {\n console.log(row);\n}<\/code><\/pre>\n\n
<\/p>\n
6. \u73af\u5883\u6587\u4ef6\u548c\u914d\u7f6e<\/h2>\n
--env-file<\/code> \u6807\u5fd7\u73b0\u5728\u652f\u6301\u591a\u4e2a\u6587\u4ef6\uff0c\u5e76\u5185\u7f6e\u4e86\u9a8c\u8bc1\u529f\u80fd\u3002<\/p>\nnode --env-file=.env --env-file=.env.local app.js<\/code><\/pre>\nimport { env } from "node:process";\n\n\/\/ \u5185\u7f6e\u67b6\u6784\u9a8c\u8bc1\uff082026 \u5e74\u65b0\u589e\uff09\nconst config = env.validate({\n PORT: { type: "number", default: 3000 },\n DATABASE_URL: { type: "string", required: true },\n DEBUG: { type: "boolean", default: false },\n API_KEYS: { type: "array", separator: "," },\n});\n\nconsole.log(config);\n\/\/ { PORT: 3000, DATABASE_URL: '...', DEBUG: false, API_KEYS: ['key1', 'key2'] }<\/code><\/pre>\ndotenv<\/code> \u5305\u3002\u914d\u7f6e\u9a8c\u8bc1\u662f\u5185\u7f6e\u7684\u3002<\/p>\n7. \u76d1\u89c6\u6a21\u5f0f\u7684\u6f14\u8fdb<\/h2>\n
# \u5e26\u53bb\u6296\u52a8\u7684\u76d1\u89c6\nnode --watch=500ms server.js\n\n# \u76d1\u89c6\u7279\u5b9a\u6a21\u5f0f\nnode --watch='src\/**\/*.js' --watch='config\/*.json' app.js\n# \u91cd\u542f\u65f6\u4fdd\u7559\u8f93\u51fa\nnode --watch --watch-preserve-output server.js\n# \u4e0e TypeScript \u7ed3\u5408\nnode --experimental-strip-types --watch server.ts<\/code><\/pre>\nimport { watch } from "node:fs";\n\nfor await (const event of watch(".\/src", { recursive: true })) {\n console.log(`${event.filename} was ${event.eventType}`);\n \/\/ \u81ea\u5b9a\u4e49\u91cd\u65b0\u52a0\u8f7d\u903b\u8f91\n}<\/code><\/pre>\nnodemon<\/code>\uff0c\u76d1\u89c6\u6a21\u5f0f\u53ef\u4ee5\u5904\u7406\u4ece\u5f00\u53d1\u5230\u6d4b\u8bd5\u7684\u6240\u6709\u73af\u8282\uff0c\u5e76\u63d0\u4f9b\u7cbe\u7ec6\u7684\u63a7\u5236\u3002<\/p>\n8. \u5185\u7f6e\u6d4b\u8bd5\u8fd0\u884c\u7a0b\u5e8f\u6210\u719f\u5ea6<\/h2>\n
import { test, describe, beforeEach, mock } from "node:test";\nimport assert from "node:assert";\n\ndescribe("User API", () => {\n beforeEach(() => {\n db = createTestDB();\n });\n\n \/\/ \u5feb\u7167\u6d4b\u8bd5\u5185\u7f6e\n test("user response format", async () => {\n const user = await fetchUser(1);\n assert.snapshot(user);\n });\n\n \/\/ \u65e0\u9700\u5e93\u7684\u6a21\u62df\n test("handles API failure", async () => {\n const mockFetch = mock.fn(fetch, async () => {\n throw new Error("Network error");\n });\n\n await assert.rejects(() => syncUserData(), \/Network error\/);\n assert.strictEqual(mockFetch.mock.calls.length, 3);\n });\n\n \/\/ \u9ed8\u8ba4\u5e76\u884c\u6267\u884c\n test.concurrent("test 1", async () => {\n \/* ... *\/\n });\n test.concurrent("test 2", async () => {\n \/* ... *\/\n });\n});<\/code><\/pre>\nnode --test --experimental-test-coverage --test-reporter=spec<\/code><\/pre>\n\u2713 User API > user response format (2ms)\n\u2713 User API > handles API failure (15ms)\n\u2713 User API > test 1 (45ms)\n\nCoverage: 87.5% (70\/80 lines)<\/code><\/pre>\n9. \u589e\u5f3a\u7684\u5de5\u4f5c\u7ebf\u7a0b<\/h2>\n
import { Worker } from "node:worker_threads";\n\nconst sharedBuffer = new SharedArrayBuffer(1024);\nconst sharedArray = new Int32Array(sharedBuffer);\n\nconst worker = new Worker(\n `\n import { parentPort, workerData } from 'node:worker_threads';\n const array = new Int32Array(workerData.buffer);\n \n for (let i = 0; i < 1000; i++) {\n Atomics.add(array, 0, 1);\n }\n \n parentPort.postMessage('done');\n`,\n { eval: true, workerData: { buffer: sharedBuffer } },\n);\n\nworker.on("message", () => {\n console.log("Counter:", sharedArray[0]); \/\/ 1000\n});<\/code><\/pre>\nimport { WorkerPool } from "node:worker_threads";\n\nconst pool = new WorkerPool(".\/compute-worker.js", { size: 4 });\nconst results = await Promise.all(tasks.map((task) => pool.exec(task)));\n\nawait pool.close();<\/code><\/pre>\n10. \u73b0\u4ee3 ECMAScript \u7279\u6027<\/h2>\n
const user = #{ id: 1, name: "Alice" };\nconst updated = #{ ...user, name: "Alice Smith" };\nconsole.log(#{ a: 1 } === #{ a: 1 }); \/\/ true!<\/code><\/pre>\nconst result = userId |> fetchUser |> validateUser |> transformData |> saveToDatabase;<\/code><\/pre>\nconst handle = (res) => match (res) {\n when ({ status: 200, data }): data,\n when ({ status: 404 }): null,\n when ({ status: s }) if (s >= 500): throw new Error('Server error'),\n default: throw new Error('Unknown')\n};<\/code><\/pre>\n11. \u603b\u7ed3<\/h2>\n
\u2705 \u7c7b\u578b\u5265\u79bb<\/strong> = \u6bd4\u7f16\u8bd1\u5feb 10-20 \u500d\/
\u2705 HTTP\/3<\/strong> = \u5b9e\u9645\u6027\u80fd\u63d0\u5347\/
\u2705 WebGPU<\/strong> = \u65e0\u9700 Python \u7684 AI\/ML\/
\u2705 \u6743\u9650\u6a21\u578b<\/strong> = \u751f\u4ea7\u7ea7\u5b89\u5168\/
\u2705 \u5185\u7f6e SQLite<\/strong> = \u65e0\u4f9d\u8d56\u6570\u636e\u5e93\/
\u2705 \u73af\u5883\u9a8c\u8bc1<\/strong> = \u4e0d\u518d\u9700\u8981 dotenv\/
\u2705 \u667a\u80fd\u76d1\u89c6\u6a21\u5f0f<\/strong> = \u4e0d\u518d\u9700\u8981 nodemon\/
\u2705 \u6d4b\u8bd5\u8fd0\u884c\u5668<\/strong> = \u4e0d\u518d\u9700\u8981 Jest\/Mocha\/
\u2705 \u73b0\u4ee3 JavaScript<\/strong> = records\u3001tuples\u3001\u7ba1\u9053\u3001\u6a21\u5f0f\u5339\u914d<\/p>\n