{"id":277,"date":"2023-12-12T09:55:48","date_gmt":"2023-12-12T01:55:48","guid":{"rendered":"http:\/\/ericw.top\/?p=277"},"modified":"2024-01-02T09:34:59","modified_gmt":"2024-01-02T01:34:59","slug":"277","status":"publish","type":"post","link":"http:\/\/ericw.top\/?p=277","title":{"rendered":"Node.js \u5165\u95e8"},"content":{"rendered":"\n

Node.js \u5165\u95e8<\/h1>\n\n\n\n

Node.js\u7684\u4f5c\u7528\u662f\u7f16\u5199\u670d\u52a1\u7aef\u7a0b\u5e8f<\/strong>\uff1a<\/p>\n\n\n\n

1.1 \u524d\u7aef\u5de5\u7a0b\u5316<\/h4>\n\n\n\n

\u5f00\u53d1\u9879\u76ee\u76f4\u5230\u4e0a\u7ebf\uff0c\u8fc7\u7a0b\u4e2d\u96c6\u6210\u7684\u6240\u6709\u5de5\u5177\u548c\u6280\u672f<\/strong><\/p>\n\n\n\n

\u538b\u7f29\u5de5\u5177<\/strong><\/p>\n\n\n\n

\u683c\u5f0f\u5316\u5de5\u5177<\/strong><\/p>\n\n\n\n

\u6253\u5305\u5de5\u5177<\/strong><\/p>\n\n\n\n

\u8f6c\u6362\u5de5\u5177<\/strong><\/p>\n\n\n\n

\u811a\u624b\u67b6\u5de5\u5177<\/strong><\/p>\n\n\n\n

\u81ea\u52a8\u5316\u90e8\u7f72<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1.2 Node.js\u4e3a\u4f55\u80fd\u591f\u6267\u884cJS\uff1f<\/h4>\n\n\n\n

\u9996\u5148\uff1a\u6d4f\u89c8\u5668\u53ef\u4ee5\u6267\u884cJS\u4ee3\u7801\uff0c\u4f9d\u9760\u7684\u662f\u5185\u6838V8\u5f15\u64ce<\/strong>\uff08C++\u7a0b\u5e8f\uff09<\/p>\n\n\n\n

Node.js \u8fd0\u884c\u5feb\u901f\u9ad8\u6548\u7684 Web \u670d\u52a1\u5668<\/p>\n\n\n\n

Node.js\u5c06V8\u5f15\u64ce\u53d6\u51fa\u6765\uff0c\u53ef\u4ee5\u8131\u79bb\u6d4f\u89c8\u5668\u6267\u884cJS\u4ee3\u7801<\/p>\n\n\n\n

Node.js\u73af\u5883\u6ca1\u6709DOM\u3001BOM\u3002<\/p>\n\n\n\n

V8 \u5f15\u64ce\u662f\u5728 Chrome \u6d4f\u89c8\u5668\u4e2d\u89e3\u91ca\u548c\u8fd0\u884c JavaScript \u4ee3\u7801\u7684 JavaScript \u5f15\u64ce\u3002\u5176\u4ed6\u4e00\u4e9b\u6d4f\u89c8\u5668\u4f7f\u7528\u4e0d\u540c\u7684\u5f15\u64ce\uff0c\u4f8b\u5982\uff0cFirefox \u4f7f\u7528 SpiderMonkey\uff0c\u800cSafari \u4f7f\u7528 JavaScriptCore\u3002\u6ca1\u6709 JavaScript \u5f15\u64ce\uff0c\u8ba1\u7b97\u673a\u5c31\u65e0\u6cd5\u7406\u89e3 JavaScript\u3002<\/em><\/p>\n\n\n\n

V8 \u5f15\u64ce\u5305\u542b\u5185\u5b58\u5806\u548c\u8c03\u7528\u6808\u3002\u5b83\u4eec\u662f V8 \u5f15\u64ce\u7684\u57fa\u77f3\u3002\u5b83\u4eec\u5e2e\u52a9\u7ba1\u7406 JavaScript \u4ee3\u7801\u7684\u6267\u884c\u3002<\/em><\/p>\n\n\n\n

\u5185\u5b58\u5806\u662f V8 \u5f15\u64ce\u7684\u6570\u636e\u5b58\u50a8\u3002\u6bcf\u5f53\u6211\u4eec\u5728 JavaScript \u4e2d\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5bf9\u8c61\u6216\u51fd\u6570\u7684\u53d8\u91cf\u65f6\uff0c\u5f15\u64ce\u90fd\u4f1a\u5c06\u8be5\u503c\u4fdd\u5b58\u5728\u5185\u5b58\u5806\u4e2d\u3002\u4e3a\u7b80\u5355\u8d77\u89c1\uff0c\u5b83\u7c7b\u4f3c\u4e8e\u4e3a\u5f92\u6b65\u65c5\u884c\u8005\u5b58\u653e\u7528\u54c1\u7684\u80cc\u5305\u3002<\/em><\/p>\n\n\n\n

\u6bcf\u5f53\u5f15\u64ce\u6267\u884c\u4ee3\u7801\u5e76\u9047\u5230\u4efb\u4f55\u8fd9\u4e9b\u53d8\u91cf\u65f6\uff0c\u5b83\u90fd\u4f1a\u4ece\u5185\u5b58\u5806\u4e2d\u67e5\u627e\u5b9e\u9645\u503c\u2014\u2014\u5c31\u50cf\u6bcf\u5f53\u5f92\u6b65\u65c5\u884c\u8005\u611f\u5230\u5bd2\u51b7\u5e76\u60f3\u8981\u751f\u706b\u65f6\uff0c\u4ed6\u4eec\u53ef\u4ee5\u5728\u80cc\u5305\u4e2d\u5bfb\u627e\u6253\u706b\u673a\u4e00\u6837\u3002<\/em><\/p>\n\n\n\n

1.3 \u914d\u7f6eNode.js<\/h4>\n\n\n\n

\u4e0b\u8f7dnode\u5b89\u88c5\u7a0b\u5e8f<\/p>\n\n\n\n

\u5b89\u88c5\u8fc7\u7a0b\uff1a\u9ed8\u8ba4\u4e0b\u4e00\u6b65\u5373\u53ef<\/p>\n\n\n\n

\u6ce8\u610f\u4e8b\u9879\uff1a\u6309\u4f4f\u54ea\u4e2a\u5728\u975e\u4e2d\u6587\u8def\u5f84\uff0c\u65e0\u9700\u52fe\u9009\u81ea\u52a8\u5b89\u88c5\u5176\u4ed6\u914d\u7f6e<\/strong><\/p>\n\n\n\n

\u5728CMD\u4e2d\u8f93\u5165node -v<\/code>\uff0c\u5f39\u51fa\u7248\u672c\u53f7\uff0c\u8fd9\u6837\u8868\u793a\u5b89\u88c5\u6210\u529f
\n\"\"<\/p>\n\n\n\n

1.4 \u603b\u7ed3<\/h4>\n\n\n\n

node.js\u662f\u57fa\u4e8eV8\u5f15\u64ce\u5c01\u88c5\uff0c\u72ec\u7acb\u6267\u884cJS\u4ee3\u7801\u7684\u73af\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Node.js \u5165\u95e8 Node.js\u7684\u4f5c\u7528\u662f\u7f16\u5199\u670d\u52a1\u7aef\u7a0b\u5e8f\uff1a 1.1 \u524d\u7aef\u5de5\u7a0b\u5316 \u5f00\u53d1\u9879\u76ee\u76f4\u5230\u4e0a\u7ebf\uff0c\u8fc7\u7a0b\u4e2d\u96c6\u6210 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,5],"tags":[],"_links":{"self":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/277"}],"collection":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=277"}],"version-history":[{"count":3,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions"}],"predecessor-version":[{"id":601,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions\/601"}],"wp:attachment":[{"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=277"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}