Page 522 - Nodejs 교과서 개정2판
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§ Ӓܿ ਢ ࣗ ҳઑب
োѾ റীח ਢ ࣗ ࢲߡ wss ী ߮ ܻझցܳ ࠢੑפ ਢ ࣗ ߮ ӝ߈ਵ۽ زೠҊ ࢤпೞݶ ؾ
פ पदрਵ۽ ؘఠܳ ׳߉ਵ۽ ೦࢚ ӝೞҊ যঠ פ connection ߮ח ۄо ࢲ
ߡ৬ ਢ ࣗ োѾਸ ݛਸ ٸ ߊࢤפ req.headers['x-forwarded-for'] ]] SFR DPOOFDUJPO SFNPUF"EE
SFTT ח ۄ *1ܳ ঌইղח ਬݺೠ ߑߨ ೞա۽ ঌইفח ѱ જणפ झۨझীࢲח *1ܳ
ഛੋೡ ٸ QSPYZ BEES ಁఃܳ ࢎਊೞ۽ ಁఃܳ ࢎਊ೧ب ҡଳणפ ۽ஸ ഐझ۽ ࣘೠ ҃
܁ীࢲח *1о ۽ ڶפ ܲ ࠳ۄীࢲח ৻ ܲ *1о ڴ ࣻ णפ
झۨझ ࢲߡ৬ োѾೠ റ ਢ ࣗ ё ws ী ߮ ܻझց ࣁ ѐ message error closeܳ োѾ೮णפ
messageח ۄ۽ࠗఠ ݫदо ৳ਸ ٸ ߊࢤೞҊ errorח ਢ ࣗ োѾ ޙઁо ࢤ҂ਸ ٸ ߊࢤ
פ close ߮ח ۄ৬ োѾ Ր҂ਸ ٸ ߊࢤפ
setInterval ୡ݃ োѾػ ݽٚ ۄী ݫदܳ ࠁղח ࠗ࠙ੑפ ݢ readyStateо OPEN ࢚క
ੋ ഛੋפ ਢ ࣗীח ֎ о ࢚కо णפ CONNECTING োѾ OPEN ৌܿ CLOSING ײח CL
OSED ײ൨ ੑפ OPENੌ ٸ݅ ী۞ হ ݫदܳ ࠁյ ࣻ णפ ഛੋ റ ws.send ݫࢲ٘۽ ೞա ۄ
ী ݫदܳ ࠁշפ close ߮ীࢲ setIntervalਸ clearInterval۽ ܻೞח Ѫب ԙ ӝর೧فӡ
߄ۉפ ࠗ࠙ হݶ ݫݽܻ ־ࣻо ߊࢤפ ۽Ӓې߁ਸ ೡ ٸח ۧѱ ࢎࣗೠ Ѫ ೱਸ
ӝب פ
ਢ ࣗ ױࣽ ࢲߡীࢲ ࢸೠҊ ೧ࢲ زೞח ঋणפ ۄীࢲب ਢ ࣗਸ ࢎਊ೧ঠ פ
নߑೱ ాनӝ ٸޙੑפ WJFXT ಫ؊ܳ ٜ݅Ҋ JOEFY IUNM ੌਸ ࢿೞৈ script కӒী ਢ ࣗ
٘ܳ ֍ѷणפ WJFXT ಫ؊ উী FSSPS IUNMب э ࢿפ
views/index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
