{"id":32413,"date":"2022-11-24T01:48:34","date_gmt":"2022-12-25T05:47:17","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%9c%89%e5%85%b3node-js%e7%9a%84%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%e4%bb%a5%e5%8f%8anode-js-v15%e7%9a%84%e4%bf%a1%e6%81%af%e3%80%82\/"},"modified":"2024-04-29T02:13:25","modified_gmt":"2024-04-28T18:13:25","slug":"%e6%9c%89%e5%85%b3node-js%e7%9a%84%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%e4%bb%a5%e5%8f%8anode-js-v15%e7%9a%84%e4%bf%a1%e6%81%af%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%9c%89%e5%85%b3node-js%e7%9a%84%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%e4%bb%a5%e5%8f%8anode-js-v15%e7%9a%84%e4%bf%a1%e6%81%af%e3%80%82\/","title":{"rendered":"\u6709\u5173Node.js\u7684\u5b89\u5168\u66f4\u65b0\u4ee5\u53caNode.js v15\u7684\u4fe1\u606f"},"content":{"rendered":"

\u6709\u4e00\u4e2a Node.js \u5b89\u5168\u66f4\u65b0\u53ef\u7528\u3002<\/h1>\n

https:\/\/nodejs.org\/en\/ \u7684\u4e2d\u6587\u7ffb\u8bd1\u4e3a\uff1a<\/p>\n

2\u670823\u65e5\uff0c\u7531\u4e8e\u53d1\u5e03\u4e86Node.js\u7684\u65b0\u7248\u672c\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u6765\u8fdb\u884c\u68c0\u67e5\u5427\u3002
\nhttps:\/\/nodejs.org\/en\/blog\/vulnerability\/february-2021-security-releases\/<\/p>\n

10.x\u300112.x\u300114.x\u548c15.x\u7684\u5b89\u5168\u66f4\u65b0<\/h3>\n

\u91cd\u8981(1), \u9ad8\u5ea6(1), \u4f4e\u5ea6(1)<\/p>\n

    \n
  1. \n
      \u5f53HTTP\/2\u7684unknownProtocol\u8fc7\u591a\u65f6\uff0c\u53ef\u80fd\u4f1a\u906d\u53d7DoS\u653b\u51fb\u7684\u95ee\u9898\u3002<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        \n
      1. \n
          \u5b58\u5728\u6587\u4ef6\u7cfb\u7edf\u6cc4\u9732\u7684\u53ef\u80fd\u6027\u3002<\/ol>\n<\/li>\n<\/ol>\n

           <\/p>\n

            \n
          1. \n
              \u53ef\u80fd\u5f15\u53d1\u5185\u5b58\u6cc4\u6f0f\u3002<\/ol>\n<\/li>\n<\/ol>\n

               <\/p>\n

                \n
              1. \n
                  \u5f53localhost6\u5305\u542b\u5728\u767d\u540d\u5355\u4e2d\u65f6\uff0c\u53ef\u80fd\u4f1a\u906d\u53d7DoS\u653b\u51fb\u7684\u95ee\u9898\u3002<\/ol>\n<\/li>\n<\/ol>\n

                   <\/p>\n

                    \n
                  1. \n
                      \u5982\u679c\/etc\/hosts\u5305\u542blocalhost6\uff0c\u5219\u53ef\u80fd\u4f1a\u53d7\u5230\u6b64\u653b\u51fb\u7684\u5f71\u54cd\u3002<\/ol>\n<\/li>\n<\/ol>\n

                       <\/p>\n

                        \u901a\u8fc7Node.js\u5229\u7528OpenSSL\u7684\u6f0f\u6d1e\u53ef\u80fd\u4f1a\u53d1\u751f\u95ee\u9898\u3002<\/ol>\n

                        \u6211\u4eec\u5e94\u8be5\u9002\u5f53\u5730\u9075\u5faa\uff08\u5982\u679c\u53ea\u662f\u524d\u7aef\u7684\u8bdd\uff0c\u611f\u89c9\u6ca1\u4ec0\u4e48\u5927\u4e0d\u4e86\u7684\uff09\u3002<\/p>\n

                        \u203bNode.js 10.x \u9884\u8ba1\u5c06\u4e8e2021\u5e744\u670830\u65e5\u7ed3\u675f\u652f\u6301\uff0c12.x\u7cfb\u5217\u9884\u8ba1\u4e8e2022\u5e744\u670830\u65e5\u7ed3\u675f\u652f\u6301\u3002
                        \n\u203b\u5947\u6570\u7248\u672c\u7528\u4e8e\u529f\u80fd\u5f00\u53d1\uff0c\u5076\u6570\u7248\u672c\u7528\u4e8e\u957f\u671f\u652f\u6301\u3002\u9664\u4e86\u6700\u65b0\u768415.x\u7248\u672c\uff0c\u4e0d\u5b58\u5728\u5176\u4ed6\u5947\u6570\u7248\u672c\u3002<\/p>\n

                        \u5173\u4e8eNode.js\u7684\u9519\u8bef\u62a5\u544a<\/h3>\n

                        nodejs-sec \u7fa4\u7ec4
                        \nhttps:\/\/groups.google.com\/g\/nodejs-sec?pli=1<\/p>\n

                        \u5982\u4f55\u62a5\u544aBug
                        \nhttps:\/\/github.com\/nodejs\/node\/blob\/master\/SECURITY.md<\/p>\n

                        \u62a5\u544a Nodejs \u7684\u9519\u8bef\u5373\u53ef\u83b7\u5f97\u62a5\u916c\u7684\u8ba1\u5212\uff1a\u9519\u8bef\u8d4f\u91d1\u8ba1\u5212
                        \nhttps:\/\/hackerone.com\/nodejs<\/p>\n

                        \n

                        \u5173\u4e8eNode.js v15\u7684\u76f8\u5173\u4fe1\u606f<\/h1>\n

                        \u7531\u4e8e\u6211\u5bf9Node.js v15\u6ca1\u6709\u8ddf\u5f97\u4e0a\uff0c\u6240\u4ee5\u8fdb\u884c\u4e86\u4e00\u6b21\u590d\u4e60\u3002<\/p>\n

                        https:\/\/nodejs.org\/en\/ \u7684\u4e2d\u6587\u91ca\u4e49\u5982\u4e0b\uff1a<\/p>\n

                        v15 \u7684\u53d1\u5e03\u65e5\u671f\u662f2020\u5e7410\u670821\u65e5\u3002v16 \u4f1a\u57282021\u5e744\u6708\u53d1\u5e03\u5427\uff1f<\/p>\n

                        Node.js v15.0.0 \u6b63\u5f0f\u53d1\u5e03<\/p>\n

                        codedamn \u3055\u3093\u306e\u307e\u3068\u3081 YouTube \u306e\u30ea\u30f3\u30af\u306f\u3001https:\/\/www.youtube.com\/watch?v=OIzGI5wFiXg \u3067\u3059\u3002<\/p>\n

                        \u5f88\u6574\u9f50\u6709\u6761\u7406<\/p>\n

                        1. \u5305\u542b npm 7<\/h1>\n

                        \u6211\u5b89\u88c5\u4e86npm 7\u3002<\/p>\n

                        \u4ee5\u4e0b\u662fnpm\u5b98\u65b9\u7f51\u7ad9\u7684\u94fe\u63a5\uff1ahttps:\/\/www.npmjs.com\/package\/npm<\/p>\n

                        workspace \u3068\u3044\u3046\u6982\u5ff5\u304c\u5165\u3063\u305f<\/p>\n

                        monorepo \u3067\u4f5c\u308a\u305f\u3044\u6642\u3068\u304b\u306f\u4fbf\u5229\u305d\u3046<\/p>\n

                        acceptDependencies \u3068\u3044\u3046\u6982\u5ff5\u3082\u5165\u3063\u305f<\/p>\n

                        peerDependencies \u306e\u6319\u52d5\u5909\u66f4<\/p>\n

                        npx \u304c\u5b9f\u884c\u524d\u306b\u78ba\u8a8d\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n

                        npm audit \u306e\u8868\u793a\u65b9\u6cd5\u304c\u5909\u66f4<\/p>\n

                        package.exports \u304c npm \u306e\u5185\u90e8\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u53c2\u7167\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n

                        npm test \u306e\u8868\u793a\u5185\u5bb9\u304c\u5909\u66f4<\/p>\n

                        npm build \u3068 npm unbuild \u304c\u5ec3\u6b62<\/p>\n

                        \u4ee5\u4e0b\u662f\u5bf9\u300aNPM v7\u7684\u4e3b\u8981\u53d8\u66f4\u603b\u7ed3\u300b\u4e00\u6587\u7684\u4e2d\u6587\u672c\u5730\u5316\u7248\u672c\uff1a<\/p>\n

                        https:\/\/blog.watilde.com\/2020\/10\/14\/npm-v7\u7684\u4e3b\u8981\u53d8\u66f4\u603b\u7ed3\/<\/p>\n

                        2. \u66f4\u6539 unhandledRejection \u7684\u884c\u4e3a\u3002<\/h1>\n

                        \u7a81\u7834\u6027\u53d8\u9769\uff01<\/p>\n

                        unhandledRejection \u306e\u6319\u52d5\u304c\u5909\u308f\u3063\u305f\u3002default warn \u3060\u3063\u305f\u306e\u304c throw \u306b\u306a\u3063\u305f\u3002<\/p>\n

                        \u53ea\u662f\u8d77\u521d\uff0c\u5f53\u8fd9\u4ef6\u4e8b\u53d1\u751f\u7684\u65f6\u5019\uff0c\u4ee5\u4e0b\u662f\u53d1\u751f\u7684\u65f6\u673a\u3002<\/p>\n

                        Promise \u3092\u4f7f\u3063\u305f\u975e\u540c\u671f\u51e6\u7406\u306b\u304a\u3044\u3066\u60f3\u5b9a\u5916\u306e\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f
                        \n\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u6f0f\u308c\u3066\u3044\u308b
                        \n\u5358\u7d14\u306a\u30b3\u30fc\u30c9\u306e\u30a8\u30e9\u30fc<\/p>\n

                        \u7531\u4e8e\u7a0b\u5e8f\u53d8\u5f97\u7cdf\u7cd5\uff0c\u56e0\u6b64\u6539\u53d8\u4e86\u884c\u4e3a\uff0c\u4ece\u800c\u80fd\u591f\u7f16\u5199\u66f4\u5b89\u5168\u7684\u4ee3\u7801\u3002<\/p>\n

                        \u8bf7\u63d0\u4f9b\u4e00\u4e2a\u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879\u7684\u53e5\u5b50\u7ffb\u8bd1\uff0c\u8fd9\u6837\u52a9\u624b\u624d\u80fd\u66f4\u597d\u5730\u5e2e\u52a9\u60a8\u3002<\/p>\n

                        \u5173\u4e8e\u672a\u5904\u7406\u7684\u62d2\u7edd\u60c5\u51b5<\/h2>\n

                        \u5173\u4e8e”UnhandledRejection”\u7684\u95ee\u9898\uff0c\u8bf7\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\uff1ahttps:\/\/medium.com\/@hagevvashi\/unhandledrejection\u306b\u3064\u3044\u3066-70739d2b6a60\u3002<\/p>\n

                        \u6211\u8ba4\u4e3a\u5f53\u8fd0\u8425\u7f51\u7ad9\u65f6\uff0c\u4f1a\u4f7f\u7528Sentry\u6765\u5904\u7406\u9519\u8bef\u3002<\/p>\n

                        https:\/\/sentry.io\/welcome\/ \u7684\u6b22\u8fce\u754c\u9762\u3002<\/p>\n

                        window.onerror \u4e0d\u4f1a\u6355\u83b7\u901a\u8fc7 Promise.reject() \u629b\u51fa\u7684\u9519\u8bef\uff08\u4f46\u4f1a\u4ee5 console.error() \u7684\u5f62\u5f0f\u663e\u793a\uff09<\/p>\n

                        \u5728\u68c0\u6d4b\u548c\u5904\u7406 Promise \u9519\u8bef\u65f6\u4f7f\u7528\uff0c\u4f8b\u5982\u5728 Node.js \u4e2d\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c\u6216\u8fdb\u884c\u4e0e\u6d4f\u89c8\u5668\u4e2d\u7684 API \u901a\u4fe1\u5931\u8d25\u76f8\u5173\u7684 I\/O \u5904\u7406\u3002<\/p>\n

                        try<\/span> {<\/span>\r\n  await<\/span> axios<\/span>.<\/span>post<\/span>(<\/span>\"<\/span>\/some-resources<\/span>\"<\/span>);<\/span>\r\n}<\/span> catch<\/span>(<\/span>e<\/span>)<\/span> {<\/span>\r\n  \/\/ error handling<\/span>\r\n  throw<\/span> e<\/span>;<\/span> \/\/ this causes unhandled rejection<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                        window<\/span>.<\/span>addEventListener<\/span>(<\/span>\"<\/span>unhandledrejection<\/span>\"<\/span>,<\/span> (<\/span>e<\/span>:<\/span> PromiseRejectionEvent<\/span>):<\/span> void<\/span> =><\/span> {<\/span>\r\n  \/\/ an error loginng<\/span>\r\n  logError<\/span>(<\/span>e<\/span>.<\/span>reason<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
                        process<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>unhandledRejection<\/span>\"<\/span>,<\/span> (<\/span>error<\/span>:<\/span> {}<\/span> |<\/span> null<\/span> |<\/span> undefined<\/span>,<\/span> promise<\/span>:<\/span> Promise<\/span><<\/span>any<\/span>><\/span>)<\/span> =><\/span> {<\/span>\r\n  \/\/ an error loging<\/span>\r\n  logError<\/span>(<\/span>error<\/span>);<\/span>\r\n})<\/span>\r\n<\/code><\/pre>\n
                        \u6709\u5173UnhandledRejection\u7684\u5185\u5bb9\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5\uff1ahttps:\/\/medium.com\/@hagevvashi\/unhandledrejection\u306b\u3064\u3044\u3066-70739d2b6a60<\/p>\n
                        3. \u652f\u6301 ES2021<\/h1>\n
                        JavaScript\u5f15\u64ceV8\u5df2\u5347\u7ea7\u81f3v8.6\u3002\u867d\u7136\u5728\u6d4f\u89c8\u5668\u4e2d\u5df2\u7ecf\u53ef\u4ee5\u4f7f\u7528\uff0c\u6240\u4ee5\u5e76\u4e0d\u7a00\u5947\u3002<\/p>\n
                        \u4efb\u4f55\u4e00\u4e2a\u627f\u8bfa<\/h2>\n
                        \u5f53\u6240\u6709\u7684 promise \u90fd\u53d8\u4e3a resolved \u72b6\u6001\u65f6\uff0c\u6216\u8005\u4efb\u4f55\u4e00\u4e2a promise \u53d8\u4e3a rejected \u72b6\u6001\u65f6\uff0c\u53d1\u751f\u9519\u8bef\u3002<\/p>\n
                        const<\/span> promise1<\/span> =<\/span> Promise<\/span>.<\/span>resolve<\/span>(<\/span>3<\/span>);<\/span>\r\nconst<\/span> promise2<\/span> =<\/span> 42<\/span>;<\/span>\r\nconst<\/span> promise3<\/span> =<\/span> new<\/span> Promise<\/span>((<\/span>resolve<\/span>,<\/span> reject<\/span>)<\/span> =><\/span> {<\/span>\r\n  setTimeout<\/span>(<\/span>resolve<\/span>,<\/span> 1000<\/span>,<\/span> '<\/span>foo<\/span>'<\/span>);<\/span>\r\n});<\/span>\r\n\r\nPromise<\/span>.<\/span>all<\/span>([<\/span>promise1<\/span>,<\/span> promise2<\/span>,<\/span> promise3<\/span>])<\/span>\r\n  .<\/span>then<\/span>((<\/span>values<\/span>)<\/span> =><\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>values<\/span>);<\/span>\r\n  })<\/span>\r\n  .<\/span>catch<\/span>(()<\/span> =><\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>error<\/span>\"<\/span>);<\/span>\r\n  });<\/span>\r\n\/\/ expected output: Array [3, 42, \"foo\"]<\/span>\r\n<\/code><\/pre>\n
                        Promise.race\u662f\u5728\u4efb\u4f55\u4e00\u4e2aPromise\u88ab\u89e3\u51b3\u6216\u88ab\u62d2\u7edd\u65f6\u51fa\u73b0\u9519\u8bef\u3002
                        \nPromise.allSettled\u662f\u5728\u6240\u6709Promise\u88ab\u89e3\u51b3\u6216\u88ab\u62d2\u7edd\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u9519\u8bef\u3002
                        \nPromise.any\u662f\u5728\u4efb\u4f55\u4e00\u4e2aPromise\u88ab\u89e3\u51b3\u65f6\uff0c\u6216\u6240\u6709Promise\u88ab\u62d2\u7edd\u65f6\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n
                        \u5728\u540c\u65f6\u8fd0\u884c10\u4e2aPromise\u65f6\uff0c\u5373\u4f7f\u67099\u4e2a\u5931\u8d25\uff0c\u53ea\u8981\u6700\u540e\u4e00\u4e2a\u6210\u529f\uff0c\u5c31\u89c6\u4e3a\u6210\u529f\uff08\u4f7f\u7528race\u4f1a\u5bfc\u81f4\u4efb\u4f55\u4e00\u4e2aPromise\u88ab\u62d2\u7edd\u90fd\u4f1a\u5f15\u53d1\u9519\u8bef\uff09\u3002<\/p>\n
                        \u5f31\u5f15\u7528<\/h2>\n
                        \u5728\u5783\u573e\u56de\u6536\u8fc7\u7a0b\u4e2d\uff0c\u80fd\u591f\u521b\u5efa\u53ef\u88ab\u9500\u6bc1\u7684\u5bf9\u8c61\u3002<\/p>\n
                        \u4ee5\u4e0b\u662f\u7f51\u7ad9\u94fe\u63a5\uff1ahttps:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/WeakRef<\/p>\n
                        var<\/span> ref<\/span> =<\/span> new<\/span> WeakRef<\/span>(<\/span>element<\/span>)<\/span>\r\nref<\/span>.<\/span>deref<\/span>()<\/span> \/\/ \u53c2\u7167\u5143\u3092\u53d6\u308a\u51fa\u3059<\/span>\r\n<\/code><\/pre>\n
                        \u6211\u5c1d\u8bd5\u7b80\u5355\u5730\u5236\u4f5c\u4e86\u4e00\u4e2a\u6837\u672c\u3002\u2193
                        \nhttps:\/\/playcode.io\/740665\/<\/p>\n
                        \u8ba1\u65f6\u5668\u4ecd\u5728\u8fd0\u884c\u3002\u4f7f\u7528\u53e6\u4e00\u4e2a\u8ba1\u65f6\u5668\uff0c\u57285\u79d2\u540e\u79fb\u9664DOM\u5143\u7d20\u3002\u5728\u539f\u59cb\u8ba1\u65f6\u5668\u51fd\u6570\u4e2d\u4ecd\u53ef\u4ee5\u5f15\u7528\u3002\u5f53\u8fdb\u884c\u5783\u573e\u56de\u6536\u65f6\uff0c\u5f15\u7528\u5c06\u88ab\u6e05\u9664\u5e76\u505c\u6b62\u8fd0\u884c\u3002<\/p>\n
                        \u80fd\u5199\u51fa\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\u7684\u4ee3\u7801\u3002<\/p>\n
                        \u805a\u5408\u9519\u8bef<\/h2>\n
                        \u5728\u9700\u8981\u6574\u7406\u591a\u4e2a\u9519\u8bef\u65f6\u4f7f\u7528\u3002<\/p>\n
                        try<\/span> {<\/span>\r\n  throw<\/span> new<\/span> AggregateError<\/span>([<\/span>\r\n    new<\/span> Error<\/span>(<\/span>\"<\/span>some error<\/span>\"<\/span>),<\/span>\r\n  ],<\/span> '<\/span>Hello<\/span>'<\/span>);<\/span>\r\n}<\/span> catch<\/span> (<\/span>e<\/span>)<\/span> {<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>e<\/span> instanceof<\/span> AggregateError<\/span>);<\/span> \/\/ true<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>e<\/span>.<\/span>message<\/span>);<\/span>                   \/\/ \"Hello\"<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>e<\/span>.<\/span>name<\/span>);<\/span>                      \/\/ \"AggregateError\"<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>e<\/span>.<\/span>errors<\/span>);<\/span>                    \/\/ [ Error: \"some error\" ]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                        \u5728\u4e2d\u56fd\uff0c\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u65b9\u5f0f\u63d0\u4f9b\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n
                        \u8ad6\u7406\u4ee3\u5165\u6f14\u7b97\u5b50\u662f\u6307\u908f\u8f2f\u904b\u7b97\u7b26\u3002<\/h2>\n
                        \u5e0c\u671b\u4f60\u505c\u6b62\uff0c\u56e0\u4e3a\u8fd9\u6837\u5f88\u96be\u9605\u8bfb\u3002<\/p>\n
                        let<\/span> a<\/span> =<\/span> true<\/span>\r\na<\/span> &&=<\/span> false<\/span>\u3000<\/span>\/\/ x && (x = y): x \u3068 y \u304c true \u306a\u5024\u306e\u5834\u5408\u3001y \u306e\u5024\u304c\u4ee3\u5165\u3055\u308c\u308b<\/span>\r\n\/\/ false<\/span>\r\na<\/span>\r\n\/\/ false<\/span>\r\na<\/span> ||=<\/span> true<\/span>\u3000<\/span>\/\/ x || (x = y): x \u304c false \u306a\u5024\u306e\u5834\u5408\u3001y \u306e\u5024\u304c\u4ee3\u5165\u3055\u308c\u308b<\/span>\r\n\/\/ true<\/span>\r\na<\/span>\r\n\/\/ true<\/span>\r\na<\/span> =<\/span> null<\/span>\r\na<\/span> ??<\/span>=<\/span> 1<\/span>\u3000<\/span>\/\/ x ?? (x = y): x \u304c null or undefined \u306a\u5024\u306e\u5834\u5408\u3001y \u306e\u5024\u304c\u4ee3\u5165\u3055\u308c\u308b<\/span>\r\n\/\/ 1<\/span>\r\na<\/span>\r\n\/\/ 1<\/span>\r\na<\/span> ??<\/span>=<\/span> 2<\/span>\r\n\/\/ 1<\/span>\r\na<\/span>\r\n\/\/ 1<\/span>\r\n<\/code><\/pre>\n
                        \u6570\u503c\u5206\u9694\u7b26<\/h2>\n
                        \u56e0\u4e3a\u4f7f\u7528\u5b83\u80fd\u4f7f\u6570\u5b57\u66f4\u6613\u8bfb\uff0c\u6240\u4ee5\u8981\u79ef\u6781\u4f7f\u7528\u3002<\/p>\n
                        123<\/span> ===<\/span> 1<\/span>_2_3<\/span>\r\n\/\/ true<\/span>\r\n1<\/span>_000_000_000<\/span>.<\/span>000<\/span>_001<\/span>\r\n\/\/ 1000000000.000001<\/span>\r\n<\/code><\/pre>\n
                        \u6211\u4e0d\u60f3\u5904\u7406\u8fd9\u4e48\u5927\u7684\u795e\u5947\u6570\u5b57\uff0c\u4e5f\u611f\u89c9\u6ca1\u6709\u5904\u7406\u5b83\u7684\u673a\u4f1a\u3002<\/p>\n
                        \u5b57\u7b26\u4e32\u539f\u578b\u4e2d\u7684\u6240\u6709\u66ff\u6362<\/h2>\n
                        \u90a3\u500b\u53ef\u4ee5\u5728\u700f\u89bd\u5668\u4e0a\u4f7f\u7528\u7684\u6771\u897f\u3002<\/p>\n
                        \u4ee5\u4e0b\u662f\u5173\u4e8e`String.replaceAll()`\u65b9\u6cd5\u7684\u6587\u6863\u94fe\u63a5\uff1ahttps:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/String\/replaceAll
                        \n\u6b64\u5916\uff0c\u4f60\u53ef\u4ee5\u53c2\u8003\u8be5\u94fe\u63a5\u4e86\u89e3\u6709\u5173`String.replaceAll()`\u65b9\u6cd5\u7684\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\uff1ahttps:\/\/caniuse.com\/mdn-javascript_builtins_string_replaceall<\/p>\n
                        \u5982\u679c\u4f7f\u7528Babel\u5de5\u5177\uff0cIE 11\u53ef\u4ee5\u5c06\u4f7f\u7528replaceAll\u65b9\u6cd5\u7684\u4ee3\u7801\u8fdb\u884c\u8f6c\u8bd1\u3002\u901a\u8fc7\u4f7f\u7528preset-env (core-js)\uff0c\u53ef\u4ee5\u5728IE 11\u4e0a\u5b9e\u73b0\u517c\u5bb9\u3002<\/p>\n
                        https:\/\/v8.dev\/features\/string-replaceall \u7684\u529f\u80fd\u662f\u66ff\u6362\u5b57\u7b26\u4e32\u7684\u5168\u90e8\u5339\u914d\u9879\u3002<\/p>\n
                        \u987a\u4fbf\u63d0\u4e00\u4e0b\uff0cNext.js \u6ca1\u6709\u5b89\u88c5 @babel\/preset-env\uff0c\u6240\u4ee5\u5982\u679c\u8981\u652f\u6301 IE11\uff0c\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6307\u5b9a\u3002<\/p>\n
                        4. \u7f51\u7edc\u52a0\u5bc6API<\/h1>\n
                        \u4e00\u79cd\u57fa\u4e8eWeb\u6807\u51c6\u7684JavaScript API\u53ef\u4ee5\u5b9e\u73b0\u52a0\u5bc6\u3001\u89e3\u5bc6\u3001\u7b7e\u540d\u548c\u9a8c\u8bc1\u529f\u80fd\u3002<\/p>\n
                        \u53ef\u4ee5\u4f7f\u7528\u7684\u52a0\u5bc6\u5e93
                        \n(https:\/\/caniuse.com\/cryptography)<\/p>\n
                        \u5728\u6d4f\u89c8\u5668\u4e2d\uff0c\u65e9\u5c31\u80fd\u4f7f\u7528\u7684\u529f\u80fd\u3002
                        \nNode \u6700\u8fd1\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u4f7f\u7528\u4e00\u4e9b\u8fc7\u53bb\u53ef\u4ee5\u4f7f\u7528\u7684\u529f\u80fd\uff0c\u8fd9\u662f\u4e00\u4e2a\u597d\u6d88\u606f\u3002<\/p>\n
                        5. \u4e2d\u6b62\u63a7\u5236\u5668<\/h1>\n
                        \u5728 Node.js 15 \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 AbortController \u8fd9\u4e2a\u5168\u5c40\u5de5\u5177\u5bf9\u8c61\u6765\u4e2d\u6b62 Web \u8bf7\u6c42\u3002<\/p>\n
                        const<\/span> ac<\/span> =<\/span> new<\/span> AbortController<\/span>();<\/span>\r\nac<\/span>.<\/span>signal<\/span>.<\/span>addEventListener<\/span>(<\/span>'<\/span>abort<\/span>'<\/span>,<\/span> ()<\/span> =><\/span> console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Aborted!<\/span>'<\/span>),<\/span>\r\n{<\/span> once<\/span>:<\/span> true<\/span> });<\/span>\r\nac<\/span>.<\/span>abort<\/span>();<\/span>\r\nconsole<\/span>.<\/span>log<\/span>(<\/span>ac<\/span>.<\/span>signal<\/span>.<\/span>aborted<\/span>);<\/span>  \/\/ Prints True<\/span>\r\n<\/code><\/pre>\n
                        \u53d6\u6d88\u4e0b\u8f7d\u89c6\u9891\u7684\u4e8b\u4f8b<\/p>\n
                        \u8bf7\u4ee5\u4e2d\u6587\u4f7f\u7528\u539f\u751f\u8bed\u8a00\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u8ff0\uff1a
                        \nhttps:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/AbortController<\/p>\n
                        var<\/span> controller<\/span> =<\/span> new<\/span> AbortController<\/span>();<\/span>\r\nvar<\/span> signal<\/span> =<\/span> controller<\/span>.<\/span>signal<\/span>;<\/span>\r\n\r\nvar<\/span> downloadBtn<\/span> =<\/span> document<\/span>.<\/span>querySelector<\/span>(<\/span>'<\/span>.download<\/span>'<\/span>);<\/span>\r\nvar<\/span> abortBtn<\/span> =<\/span> document<\/span>.<\/span>querySelector<\/span>(<\/span>'<\/span>.abort<\/span>'<\/span>);<\/span>\r\n\r\ndownloadBtn<\/span>.<\/span>addEventListener<\/span>(<\/span>'<\/span>click<\/span>'<\/span>,<\/span> fetchVideo<\/span>);<\/span>\r\n\r\nabortBtn<\/span>.<\/span>addEventListener<\/span>(<\/span>'<\/span>click<\/span>'<\/span>,<\/span> function<\/span>()<\/span> {<\/span>\r\n  controller<\/span>.<\/span>abort<\/span>();<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Download aborted<\/span>'<\/span>);<\/span>\r\n});<\/span>\r\n\r\nfunction<\/span> fetchVideo<\/span>()<\/span> {<\/span>\r\n  ...<\/span>\r\n  fetch<\/span>(<\/span>url<\/span>,<\/span> {<\/span>signal<\/span>}).<\/span>then<\/span>(<\/span>function<\/span>(<\/span>response<\/span>)<\/span> {<\/span>\r\n    ...<\/span>\r\n  }).<\/span>catch<\/span>(<\/span>function<\/span>(<\/span>e<\/span>)<\/span> {<\/span>\r\n    reports<\/span>.<\/span>textContent<\/span> =<\/span> '<\/span>Download error: <\/span>'<\/span> +<\/span> e<\/span>.<\/span>message<\/span>;<\/span>\r\n  })<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                        \u867d\u7136Fetch\u5728Node.js\u4e2d\u5c1a\u672a\u5b9e\u73b0\uff0c\u4f46\u662f\u561b\u3002<\/p>\n
                        \u5728\u524d\u7aef UI \u5f00\u53d1\u4e2d\uff0c\u5982\u679c\u6211\u4eec\u5728\u6309\u94ae\u4e0a\u4f7f\u7528 `mousedown\/mouseup` \u4e8b\u4ef6\u8fdb\u884c `addEventListen`\uff0c\u5e76\u4e14\u7531\u4e8e\u70b9\u51fb\u540e\u4f1a\u89e6\u53d1\u9875\u9762\u8df3\u8f6c\uff0c\u6211\u4eec\u60f3\u8981\u5728\u70b9\u51fb\u540e\u53d6\u6d88\u4e8b\u4ef6\u76d1\u542c\uff0c\u53ef\u4ee5\u4f7f\u7528 `abortController` \u6765\u89e3\u9664\uff0c\u8fd9\u4e2a\u6280\u5de7\u5728\u67d0\u5904\u88ab\u4ecb\u7ecd\u8fc7\u3002<\/p>\n
                        6. \u4e8b\u4ef6\u76ee\u6807<\/h1>\n
                        \u5728\u6d4f\u89c8\u5668\u4e0a\u53ef\u7528\u7684EventTarget\u73b0\u5728\u4e5f\u53ef\u4ee5\u5728Node.js\u4e2d\u4f7f\u7528\u4e86\u3002\u4e8b\u4ef6\u7684\u53d1\u5e03\u548c\u4f20\u64ad\u5728\u6d4f\u89c8\u5668\u4e2d\u4f7f\u7528EventTarget\uff0c\u5728Node.js\u4e2d\u4f7f\u7528EventEmitter\u3002<\/p>\n
                        \u8bf7\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\u6765\u4ee5\u4e2d\u6587\u672c\u5730\u5316\u5730\u91ca\u4e49\u4ee5\u4e0b\u7f51\u5740\uff1ahttps:\/\/nodejs.org\/api\/events.html#events_eventtarget_and_event_api\u3002<\/p>\n
                        const<\/span> target<\/span> =<\/span> new<\/span> EventTarget<\/span>();<\/span>\r\n\r\ntarget<\/span>.<\/span>addEventListener<\/span>(<\/span>\"<\/span>foo<\/span>\"<\/span>,<\/span> (<\/span>event<\/span>)<\/span> =><\/span> {<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>foo is called<\/span>\"<\/span>);<\/span>\r\n});<\/span>\r\n\r\nconst<\/span> ev<\/span> =<\/span> new<\/span> Event<\/span>(<\/span>\"<\/span>foo<\/span>\"<\/span>);<\/span>\r\ntarget<\/span>.<\/span>dispatchEvent<\/span>(<\/span>ev<\/span>);<\/span>\r\n<\/code><\/pre>\n
                        \u5c3d\u7ba1\u4e8b\u4ef6\u7684\u4f20\u64ad\u5728DOM\u6811\u4e2d\u53ef\u80fd\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u6211\u4eec\u5df2\u7ecf\u80fd\u591f\u7f16\u5199\u51fa\u901a\u7528\u7684\u7a0b\u5e8f\u3002<\/p>\n
                        7. N-API\u5df2\u66f4\u65b0<\/h1>\n
                        Node.js\u7684\u539f\u751f\u6269\u5c55Node API\uff08\u4e5f\u79f0\u4e3aN-API\uff09\u5df2\u7ecf\u66f4\u65b0\u3002\u5b83\u4f7f\u7528C\u8bed\u8a00\u63a5\u53e3\u3002\u55ef\uff0c\u53ef\u80fd\u4e0d\u592a\u5e38\u7528\u5427\u3002<\/p>\n
                        \u8bf7\u63d0\u4f9b\u4e00\u4e2a\u4e2d\u6587\u9009\u9879: https:\/\/nodejs.org\/api\/n-api.html#n_api_node_api<\/p>\n
                        8. QUIC\uff08\u5b9e\u9a8c\u6027\u529f\u80fd\uff09<\/h1>\n
                        \u73b0\u5728\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8eUDP\u7684\u901a\u4fe1\u534f\u8bae\u201cQUIC\u201d\u4e86\u3002\u5b83\u57fa\u4e8eTLS 1.3\uff0c\u5177\u5907\u5b89\u5168\u6027\u3001\u6d41\u91cf\u63a7\u5236\u3001\u9519\u8bef\u6821\u6b63\u3001\u8fde\u63a5\u548c\u591a\u8def\u590d\u7528\u7b49\u7b49\u529f\u80fd\u3002<\/p>\n
                        TLS 1.3 \u662f\u4ec0\u4e48\uff1ahttps:\/\/kinsta.com\/jp\/blog\/tls-1-3\/<\/p>\n
                        \u53ef\u4ee5\u521b\u5efaHTTP\/3\u670d\u52a1\u5668\u3002
                        \nhttps:\/\/blog.leko.jp\/post\/http-over-quic-on-nodejs15\/<\/p>\n
                        \u592a\u96be\u7406\u89e3\u4e86\uff0c\u5b9e\u5728\u641e\u4e0d\u660e\u767d\u5462\u3002<\/p>\n
                        \u611f\u60f3<\/h1>\n
                          \u305b\u3081\u3066 Node.js 14.x \u306b\u306f\u3057\u3068\u3053\u3046<\/ul>\n","protected":false},"excerpt":{"rendered":"
                          \u6709\u4e00\u4e2a Node.js \u5b89\u5168\u66f4\u65b0\u53ef\u7528\u3002 https:\/\/nodejs.org\/en\/ \u7684\u4e2d\u6587\u7ffb\u8bd1\u4e3a\uff1a 2\u670823 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-32413","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u6709\u5173Node.js\u7684\u5b89\u5168\u66f4\u65b0\u4ee5\u53caNode.js v15\u7684\u4fe1\u606f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6709\u5173node-js\u7684\u5b89\u5168\u66f4\u65b0\u4ee5\u53canode-js-v15\u7684\u4fe1\u606f\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6709\u5173Node.js\u7684\u5b89\u5168\u66f4\u65b0\u4ee5\u53caNode.js v15\u7684\u4fe1\u606f\" \/>\n<meta property=\"og:description\" content=\"\u6709\u4e00\u4e2a Node.js \u5b89\u5168\u66f4\u65b0\u53ef\u7528\u3002 https:\/\/nodejs.org\/en\/ \u7684\u4e2d\u6587\u7ffb\u8bd1\u4e3a\uff1a 2\u670823 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6709\u5173node-js\u7684\u5b89\u5168\u66f4\u65b0\u4ee5\u53canode-js-v15\u7684\u4fe1\u606f\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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