{"id":164564,"date":"2024-05-08T14:57:18","date_gmt":"2024-05-08T06:57:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/164564.html"},"modified":"2024-05-08T14:57:24","modified_gmt":"2024-05-08T06:57:24","slug":"typescript-%e4%b8%8e-javascript-%e6%9c%89%e4%bd%95%e4%b8%8d%e5%90%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/164564.html","title":{"rendered":"TypeScript \u4e0e JavaScript \u6709\u4f55\u4e0d\u540c"},"content":{"rendered":"

\"TypeScript<\/p>\n

TypeScript\u4e0eJavaScript\u7684\u4e3b\u8981\u4e0d\u540c\u5728\u4e8e\u7c7b\u578b\u7cfb\u7edf\u3001\u7f16\u8bd1\u7279\u6027\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u652f\u6301\u3001\u5de5\u5177\u652f\u6301<\/strong>\u3002TypeScript\u662fJavaScript\u7684\u4e00\u4e2a\u8d85\u96c6\uff0c\u610f\u5473\u7740\u5b83\u5728JavaScript\u7684\u57fa\u7840\u4e0a\u5efa\u7acb\u5e76\u6dfb\u52a0\u4e86\u66f4\u591a\u7279\u6027\u3002\u6700\u6838\u5fc3\u7684\u533a\u522b\u5728\u4e8eTypeScript\u63d0\u4f9b\u4e86\u9759\u6001\u7c7b\u578b\u7cfb\u7edf<\/strong>\u3002\u8fd9\u4e00\u7279\u6027\u4f7f\u5f97\u5f00\u53d1\u8005\u5728\u7f16\u7801\u9636\u6bb5\u5373\u53ef\u8bc6\u522b\u5927\u591a\u6570\u9519\u8bef\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u548c\u5e94\u7528\u7684\u7a33\u5b9a\u6027\u3002\u901a\u8fc7\u7c7b\u578b\u7cfb\u7edf\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4e3a\u53d8\u91cf\u3001\u51fd\u6570\u7684\u53c2\u6570\u4ee5\u53ca\u51fd\u6570\u7684\u8fd4\u56de\u503c\u5b9a\u4e49\u7c7b\u578b\u3002\u8fd9\u79cd\u9759\u6001\u7c7b\u578b\u68c0\u67e5\u4e0d\u4ec5\u6709\u52a9\u4e8e\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u53d1\u73b0\u6f5c\u5728\u95ee\u9898\uff0c\u8fd8\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7c7b\u578b\u7cfb\u7edf\u7684\u5dee\u5f02<\/h3>\n<\/p>\n

TypeScript\u7684\u7c7b\u578b\u7cfb\u7edf\u662f\u5b83\u4e0eJavaScript\u6700\u663e\u8457\u7684\u533a\u522b\u3002TypeScript\u901a\u8fc7\u4e3a\u53d8\u91cf\u3001\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7b49\u63d0\u4f9b\u9759\u6001\u7c7b\u578b\u6ce8\u89e3\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u5c31\u80fd\u53d1\u73b0\u53ef\u80fd\u7684\u9519\u8bef\u3002\u8fd9\u5bf9\u4e8e\u5927\u578b\u9879\u76ee\u5c24\u5176\u6709\u76ca\uff0c\u56e0\u4e3a\u5b83\u63d0\u524d\u66b4\u9732\u95ee\u9898\uff0c\u51cf\u5c11\u4e86\u8fd0\u884c\u65f6\u9519\u8bef\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<\/p>\n

\u9759\u6001\u7c7b\u578b\u7cfb\u7edf\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\uff0c\u8fd8\u63d0\u5347\u4e86\u5f00\u53d1\u6548\u7387\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5229\u7528IDE\u63d0\u4f9b\u7684\u4ee3\u7801\u81ea\u52a8\u5b8c\u6210\u3001\u4ee3\u7801\u5bfc\u822a\u7b49\u529f\u80fd\uff0c\u5feb\u901f\u5f00\u53d1\u3002\u7c7b\u578b\u6807\u6ce8\u4e5f\u4f5c\u4e3a\u6587\u6863\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u7f16\u8bd1\u7279\u6027\u7684\u4e0d\u540c<\/h3>\n<\/p>\n

TypeScript\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u7279\u6027\u662f\u5b83\u9700\u8981\u901a\u8fc7\u7f16\u8bd1\u8fc7\u7a0b\u8f6c\u6362\u4e3aJavaScript\u4ee3\u7801\uff0c\u4ee5\u4fbf\u5728\u6d4f\u89c8\u5668\u6216 Node.js \u73af\u5883\u4e2d\u8fd0\u884c\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\uff0cTypeScript\u7f16\u8bd1\u5668\u4f1a\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\u5e76\u628aTypeScript\u4ee3\u7801\u8f6c\u6362\u6210\u7b49\u4ef7\u7684JavaScript\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u7f16\u8bd1\u8fc7\u7a0b\u5141\u8bb8TypeScript\u5728\u8f6c\u6362\u4ee3\u7801\u7684\u540c\u65f6\u8fdb\u884c\u4f18\u5316\uff0c\u5728\u786e\u4fdd\u7c7b\u578b\u5b89\u5168\u7684\u57fa\u7840\u4e0a\u63d0\u9ad8\u8fd0\u884c\u65f6\u6027\u80fd\u3002\u6b64\u5916\uff0c\u7f16\u8bd1\u6b65\u9aa4\u4e5f\u4f7f\u5f97TypeScript\u53ef\u4ee5\u5411\u540e\u517c\u5bb9\uff1a\u6700\u65b0\u7684ECMAScript\u7279\u6027\u53ef\u4ee5\u5728TypeScript\u4e2d\u4f7f\u7528\uff0c\u5e76\u901a\u8fc7\u7f16\u8bd1\u8fc7\u7a0b\u8f6c\u6362\u6210\u5411\u540e\u517c\u5bb9\u7684JavaScript\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u652f\u6301\u7684\u533a\u522b<\/h3>\n<\/p>\n

\u867d\u7136JavaScript ES6\u5f15\u5165\u4e86\u7c7b\u548c\u7ee7\u627f\u7b49\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\uff0cTypeScript\u5728\u6b64\u57fa\u7840\u4e0a\u63d0\u4f9b\u4e86\u66f4\u5b8c\u5584\u7684OOP\u7279\u6027\uff0c\u5982\u63a5\u53e3\uff08Interfaces\uff09\u3001\u6cdb\u578b\uff08Generics\uff09\u548c\u88c5\u9970\u5668\uff08Decorators\uff09\u7b49\u3002<\/p>\n<\/p>\n

TypeScript\u7684\u63a5\u53e3\u662f\u5b9a\u4e49\u4ee3\u7801\u5951\u7ea6\u7684\u5f3a\u6709\u529b\u5de5\u5177\uff0c\u5b83\u4eec\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u7f16\u7a0b\u65f6\u5f3a\u5236\u5b9e\u73b0\u7279\u5b9a\u7684\u7ed3\u6784\u3002\u6cdb\u578b\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u5f0f\u6765\u521b\u5efa\u53ef\u91cd\u7528\u7684\u7ec4\u4ef6\uff0c\u540c\u65f6\u4fdd\u6301\u7c7b\u578b\u5b89\u5168\u3002\u88c5\u9970\u5668\u4e3a\u7c7b\u548c\u7c7b\u6210\u5458\u7684\u58f0\u660e\u63d0\u4f9b\u4e86\u6ce8\u89e3\u548c\u4fee\u6539\u7684\u80fd\u529b\uff0c\u5b83\u4eec\u662f\u5b9e\u73b0\u9ad8\u7ea7\u6a21\u5f0f\u7684\u6709\u529b\u5de5\u5177\u3002<\/p>\n<\/p>\n

\u56db\u3001\u5de5\u5177\u652f\u6301\u7684\u6269\u5c55<\/h3>\n<\/p>\n

TypeScript\u7684\u53e6\u4e00\u4e2a\u4f18\u52bf\u662f\u5b83\u4e0e\u73b0\u6709\u7684JavaScript\u5de5\u5177\u94fe\u3001\u5e93\u4ee5\u53ca\u6846\u67b6\u7684\u517c\u5bb9\u6027\u3002\u8bb8\u591a\u6d41\u884c\u7684\u7f16\u8f91\u5668\u548cIDE\uff08\u5982Visual Studio Code\uff09\u4e3aTypeScript\u63d0\u4f9b\u4e86\u4e00\u6d41\u7684\u652f\u6301\uff0c\u5305\u62ec\u8bed\u6cd5\u9ad8\u4eae\u3001\u4ee3\u7801\u81ea\u52a8\u5b8c\u6210\u3001\u91cd\u6784\u5de5\u5177\u7b49\u3002<\/p>\n<\/p>\n

\u6b64\u5916\uff0cTypeScript\u793e\u533a\u4e5f\u8d21\u732e\u4e86\u5927\u91cf\u7c7b\u578b\u5b9a\u4e49\u6587\u4ef6\uff0c\u8fd9\u4e9b\u6587\u4ef6\u4e3a\u73b0\u6709\u7684JavaScript\u5e93\u63d0\u4f9b\u4e86\u7c7b\u578b\u652f\u6301\uff0c\u4f7f\u5f97\u90a3\u4e9b\u5e93\u80fd\u591f\u5728TypeScript\u9879\u76ee\u4e2d\u65e0\u7f1d\u4f7f\u7528\u3002npm\u7b49\u5305\u7ba1\u7406\u5668\u7684\u652f\u6301\u4f7f\u5f97\u7ba1\u7406TypeScript\u7f16\u5199\u7684\u4f9d\u8d56\u548c\u9879\u76ee\u53d8\u5f97\u5bb9\u6613\u3002<\/p>\n<\/p>\n

\u901a\u8fc7\u63d0\u4f9b\u9759\u6001\u7c7b\u578b\u7cfb\u7edf\u3001\u5f3a\u5927\u7684\u7f16\u8bd1\u7279\u6027\u3001\u4e30\u5bcc\u7684OOP\u652f\u6301\u548c\u5e7f\u6cdb\u7684\u5de5\u5177\u751f\u6001\uff0cTypeScript\u5728\u5f00\u53d1\u5927\u578b\u5e94\u7528\u65f6\u76f8\u5bf9\u4e8eJavaScript\u63d0\u4f9b\u4e86\u660e\u663e\u7684\u4f18\u52bf<\/strong>\u3002\u5c3d\u7ba1\u521d\u59cb\u5b66\u4e60\u66f2\u7ebf\u53ef\u80fd\u4f1a\u66f4\u9661\u5ced\uff0c\u4f46TypeScript\u6240\u5e26\u6765\u7684\u957f\u671f\u6536\u76ca\u4f7f\u5b83\u6210\u4e3a\u4e86\u73b0\u4ee3Web\u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. TypeScript \u548c JavaScript \u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n

TypeScript \u548c JavaScript \u662f\u4e24\u79cd\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5c3d\u7ba1\u5b83\u4eec\u6709\u5f88\u591a\u5171\u540c\u70b9\u3002TypeScript \u662f\u7531 JavaScript \u6269\u5c55\u800c\u6765\uff0c\u5b83\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u7279\u6027\u548c\u6982\u5ff5\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u89c4\u8303\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n

\u4e0d\u540c\u4e4b\u5904\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

    \n
  • \u7c7b\u578b\u7cfb\u7edf\uff1aTypeScript \u5f15\u5165\u4e86\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u5141\u8bb8\u5728\u7f16\u7801\u9636\u6bb5\u5c31\u53d1\u73b0\u5e38\u89c1\u7684\u7c7b\u578b\u9519\u8bef\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n
  • ES6+ \u652f\u6301\uff1aTypeScript \u652f\u6301 JavaScript \u7684\u6700\u65b0\u6807\u51c6\uff0c\u4f8b\u5982\u7bad\u5934\u51fd\u6570\u3001\u6a21\u677f\u5b57\u9762\u91cf\u3001\u89e3\u6784\u8d4b\u503c\u7b49\u3002<\/li>\n
  • \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff1aTypeScript \u63d0\u4f9b\u4e86\u7c7b\u3001\u63a5\u53e3\u3001\u6a21\u5757\u7b49\u9762\u5411\u5bf9\u8c61\u7684\u7279\u6027\uff0c\u5728\u7ec4\u7ec7\u548c\u7ba1\u7406\u4ee3\u7801\u65b9\u9762\u66f4\u4e3a\u7075\u6d3b\u548c\u5f3a\u5927\u3002<\/li>\n
  • \u7f16\u8bd1\u65f6\u7c7b\u578b\u68c0\u67e5\uff1aTypeScript \u5728\u7f16\u8bd1\u9636\u6bb5\u4f1a\u5bf9\u7c7b\u578b\u8fdb\u884c\u68c0\u67e5\uff0c\u5e76\u8f93\u51fa\u53ef\u6267\u884c\u7684 JavaScript \u4ee3\u7801\uff0c\u4ece\u800c\u907f\u514d\u8fd0\u884c\u65f6\u7684\u7c7b\u578b\u9519\u8bef\u3002<\/li>\n<\/ul>\n

    2. TypeScript \u548c JavaScript \u6709\u54ea\u4e9b\u4e3b\u8981\u533a\u522b\uff1f<\/strong><\/p>\n

    TypeScript \u548c JavaScript \u4e4b\u95f4\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u7c7b\u578b\u7cfb\u7edf\u548c\u8bed\u8a00\u7279\u6027\u3002<\/p>\n

    \u7c7b\u578b\u7cfb\u7edf\u65b9\u9762\uff1a<\/p>\n

      \n
    • TypeScript \u5f15\u5165\u4e86\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u53ef\u4ee5\u5728\u7f16\u7801\u9636\u6bb5\u53d1\u73b0\u7c7b\u578b\u9519\u8bef\u3002<\/li>\n
    • JavaScript \u662f\u4e00\u79cd\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u7c7b\u578b\u9519\u8bef\u53ea\u80fd\u5728\u8fd0\u884c\u65f6\u88ab\u53d1\u73b0\u3002<\/li>\n<\/ul>\n

      \u8bed\u8a00\u7279\u6027\u65b9\u9762\uff1a<\/p>\n

        \n
      • TypeScript \u652f\u6301 ECMAScript\uff08ES6+\uff09\u7684\u6240\u6709\u7279\u6027\uff0c\u540c\u65f6\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7279\u6027\u3002<\/li>\n
      • JavaScript \u53ea\u652f\u6301\u5f53\u524d\u6d4f\u89c8\u5668\u6240\u652f\u6301\u7684 ECMAScript \u7248\u672c\u7684\u7279\u6027\u3002<\/li>\n<\/ul>\n

        \u603b\u4f53\u6765\u8bf4\uff0cTypeScript \u662f JavaScript \u7684\u8d85\u96c6\uff0c\u6269\u5c55\u4e86 JavaScript \u7684\u80fd\u529b\uff0c\u4f7f\u5f97\u5f00\u53d1\u66f4\u52a0\u65b9\u4fbf\u548c\u53ef\u9760\u3002<\/p>\n

        3. \u4ec0\u4e48\u662f TypeScript\uff1f\u5b83\u4e0e JavaScript \u6709\u4ec0\u4e48\u4e0d\u540c\uff1f<\/strong><\/p>\n

        TypeScript \u662f\u4e00\u79cd\u7531 Microsoft \u5f00\u53d1\u7684\u5f00\u6e90\u7f16\u7a0b\u8bed\u8a00\uff0c\u5b83\u662f JavaScript \u7684\u8d85\u96c6\u3002\u4e0e JavaScript \u76f8\u6bd4\uff0cTypeScript \u63d0\u4f9b\u4e86\u989d\u5916\u7684\u529f\u80fd\u548c\u5de5\u5177\uff0c\u65e8\u5728\u63d0\u9ad8\u5927\u578b\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n

        \u4e0d\u540c\u4e4b\u5904\u5305\u62ec\uff1a<\/p>\n

          \n
        • \u7c7b\u578b\u7cfb\u7edf\uff1aTypeScript \u5f15\u5165\u4e86\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u53ef\u4ee5\u5728\u7f16\u7801\u9636\u6bb5\u68c0\u6d4b\u51fa\u5e38\u89c1\u7684\u7c7b\u578b\u9519\u8bef\uff0c\u63d0\u4f9b\u66f4\u597d\u7684\u4ee3\u7801\u63d0\u793a\u548c\u9519\u8bef\u68c0\u67e5\u3002<\/li>\n
        • ES6+ \u652f\u6301\uff1aTypeScript \u652f\u6301 ECMAScript\uff08ES6+\uff09\u6807\u51c6\u7684\u6240\u6709\u7279\u6027\uff0c\u5305\u62ec\u7bad\u5934\u51fd\u6570\u3001\u6a21\u677f\u5b57\u9762\u91cf\u3001\u89e3\u6784\u8d4b\u503c\u7b49\uff0c\u4ee5\u53ca\u6a21\u5757\u7cfb\u7edf\u7684\u652f\u6301\u3002<\/li>\n
        • \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff1aTypeScript \u63d0\u4f9b\u4e86\u7c7b\u3001\u63a5\u53e3\u548c\u6a21\u5757\u7b49\u9762\u5411\u5bf9\u8c61\u7684\u7279\u6027\uff0c\u80fd\u66f4\u597d\u5730\u7ec4\u7ec7\u548c\u7ba1\u7406\u4ee3\u7801\u3002<\/li>\n
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