René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"http request with header \"constructor\" results to a value of \"function Object() { [native code] }, \"","articleBody":"I'm using Node v5.3.0 on Windows 10. I was playing with http and found out that a request with a header name `constructor` results to `function Object() { [native code] },`\n\nSimple HTTP Server\n\n``` js\nconst http = require('http');\n\nhttp.createServer((request, response) =\u003e {\n        response.end(JSON.stringify(request.headers, null, '\\t'));\n    })\n    .listen(8000);\n\n```\n\nRequest\n\n``` js\nconst net = require('net');\nconst client = new net.Socket();\n\nclient.connect(8000, '127.0.0.1', () =\u003e {\n    client.write('GET / HTTP/1.1\\r\\nconstructor:\\r\\n\\r\\n');\n});\n\nclient.on('data', (data) =\u003e {\n    console.log(data.toString());\n    client.destroy();\n});\n\nclient.on('close', function() {\n    console.log('Connection closed');\n});\n```\n\nOutput\n\n```\nHTTP/1.1 200 OK\nDate: Mon, 28 Dec 2015 21:17:55 GMT\nConnection: keep-alive\nContent-Length: 59\n\n{\n        \"constructor\": \"function Object() { [native code] }, \"\n}\nConnection closed\n```\n","author":{"url":"https://github.com/ravenjohn","@type":"Person","name":"ravenjohn"},"datePublished":"2015-12-28T21:21:07.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/4456/node/issues/4456"}