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<\/p>\n

\u4ec0\u9ebc\u662f TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\uff1f<\/h1>\n

TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\uff08Type Auto-Inference\uff09\u662f\u4e00\u7a2e\u6280\u8853\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u4e0d\u6307\u5b9a\u8b8a\u91cf\u985e\u578b\u7684\u60c5\u6cc1\u4e0b\uff0c\u8b93 TypeScript \u81ea\u52d5\u63a8\u65ad\u51fa\u8b8a\u91cf\u7684\u985e\u578b\u3002\u9019\u7a2e\u6280\u8853\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u52a0\u9748\u6d3b\u5730\u4f7f\u7528 TypeScript\uff0c\u4e26\u4e14\u53ef\u4ee5\u6e1b\u5c11\u958b\u767c\u8005\u5728\u7a0b\u5f0f\u78bc\u4e2d\u6307\u5b9a\u8b8a\u91cf\u985e\u578b\u7684\u6642\u9593\u3002<\/p>\n

TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\u7684\u512a\u9ede<\/h2>\n

TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\u7684\u512a\u9ede\u6709\u5f88\u591a\uff0c\u5176\u4e2d\u6700\u91cd\u8981\u7684\u662f\u53ef\u4ee5\u6e1b\u5c11\u958b\u767c\u8005\u5728\u7a0b\u5f0f\u78bc\u4e2d\u6307\u5b9a\u8b8a\u91cf\u985e\u578b\u7684\u6642\u9593\uff0c\u4e26\u4e14\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u52a0\u9748\u6d3b\u5730\u4f7f\u7528 TypeScript\u3002<\/p>\n

\u53e6\u5916\uff0cTypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\u4e5f\u53ef\u4ee5\u6e1b\u5c11\u7a0b\u5f0f\u78bc\u7684\u8907\u96dc\u5ea6\uff0c\u56e0\u70ba\u958b\u767c\u8005\u4e0d\u9700\u8981\u6307\u5b9a\u8b8a\u91cf\u7684\u985e\u578b\uff0c\u4e5f\u4e0d\u9700\u8981\u6307\u5b9a\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\uff0c\u9019\u6a23\u53ef\u4ee5\u8b93\u7a0b\u5f0f\u78bc\u66f4\u52a0\u7c21\u6f54\u3002<\/p>\n

TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\u7684\u793a\u4f8b<\/h2>\n

\u4e0b\u9762\u662f\u4e00\u500b\u4f7f\u7528 TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\u7684\u793a\u4f8b\uff1a<\/p>\n

\n\/\/ \u4e0d\u6307\u5b9a\u8b8a\u91cf\u985e\u578b\nlet myVariable = \"Hello World\";\n\n\/\/ TypeScript \u6703\u81ea\u52d5\u63a8\u65ad\u51fa myVariable \u7684\u985e\u578b\u70ba string\nconsole.log(typeof myVariable); \/\/ string\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u6c92\u6709\u6307\u5b9a\u8b8a\u91cf myVariable \u7684\u985e\u578b\uff0c\u4f46\u662f TypeScript \u4ecd\u7136\u53ef\u4ee5\u81ea\u52d5\u63a8\u65ad\u51fa myVariable \u7684\u985e\u578b\u70ba string\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\uff08Type Auto-Inference\uff09\u662f\u4e00\u7a2e\u6280\u8853\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u4e0d\u6307\u5b9a\u8b8a\u91cf\u985e\u578b\u7684\u60c5\u6cc1\u4e0b\uff0c\u8b93 TypeScript \u81ea\u52d5\u63a8\u65ad\u51fa\u8b8a\u91cf\u7684\u985e\u578b\u3002TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\u7684\u512a\u9ede\u6709\u5f88\u591a\uff0c\u5176\u4e2d\u6700\u91cd\u8981\u7684\u662f\u53ef\u4ee5\u6e1b\u5c11\u958b\u767c\u8005\u5728\u7a0b\u5f0f\u78bc\u4e2d\u6307\u5b9a\u8b8a\u91cf\u985e\u578b\u7684\u6642\u9593\uff0c\u4e26\u4e14\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u52a0\u9748\u6d3b\u5730\u4f7f\u7528 TypeScript\u3002TypeScript \u7c7b\u578b\u81ea\u52a8\u63a8\u65ad\u4e5f\u53ef\u4ee5\u6e1b\u5c11\u7a0b\u5f0f\u78bc\u7684\u8907\u96dc\u5ea6\uff0c\u56e0\u70ba\u958b\u767c\u8005\u4e0d\u9700\u8981\u6307\u5b9a\u8b8a\u91cf\u7684\u985e\u578b\uff0c\u4e5f\u4e0d\u9700\u8981\u6307\u5b9a\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\uff0c\u9019\u6a23\u53ef\u4ee5\u8b93\u7a0b\u5f0f\u78bc\u66f4\u52a0\u7c21\u6f54\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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