{"id":38992,"date":"2024-11-02T02:36:11","date_gmt":"2024-11-02T02:36:11","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=38992"},"modified":"2024-11-26T06:42:42","modified_gmt":"2024-11-26T06:42:42","slug":"%ec%83%81%ed%83%9c-%ea%b4%80%eb%a6%ac-state%ec%99%80-%ec%9d%b4%eb%b2%a4%ed%8a%b8-%ec%b2%98%eb%a6%ac-%ec%83%81%ed%83%9c-%eb%b3%80%ea%b2%bd%ea%b3%bc-%ec%bb%b4%ed%8f%ac%eb%84%8c%ed%8a%b8-%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/38992\/","title":{"rendered":"\uc0c1\ud0dc \uad00\ub9ac (State)\uc640 \uc774\ubca4\ud2b8 \ucc98\ub9ac, \uc0c1\ud0dc \ubcc0\uacbd\uacfc \ucef4\ud3ec\ub10c\ud2b8 \ub9ac\ub80c\ub354\ub9c1 \uc774\ud574\ud558\uae30"},"content":{"rendered":"<p>\ub9ac\uc561\ud2b8\ub294 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ucd95\ud558\uae30 \uc704\ud55c \uac15\ub825\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \ub9ac\uc561\ud2b8\uc758 \ud575\uc2ec \uac1c\ub150 \uc911 \ud558\ub098\ub294 \uc0c1\ud0dc \uad00\ub9ac(state management)\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc0c1\ud0dc \uad00\ub9ac\uc758 \uae30\ucd08 \uac1c\ub150\ubd80\ud130 \uc0c1\ud0dc \ubcc0\uacbd\uc5d0 \ub530\ub978 \ucef4\ud3ec\ub10c\ud2b8 \ub9ac\ub80c\ub354\ub9c1\uc758 \uc6d0\ub9ac, \uadf8\ub9ac\uace0 \uc774\ubca4\ud2b8 \ucc98\ub9ac\uc758 \uc911\uc694\uc131\uae4c\uc9c0 \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>1. \uc0c1\ud0dc \uad00\ub9ac\ub780?<\/h2>\n<p>\uc0c1\ud0dc(state)\ub294 \ucef4\ud3ec\ub10c\ud2b8\uc758 \ub3d9\uc801\uc778 \ub370\uc774\ud130\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub9ac\uc561\ud2b8 \ucef4\ud3ec\ub10c\ud2b8\ub294 \uc0c1\ud0dc\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc0ac\uc6a9\uc790\uc758 \uc0c1\ud638\uc791\uc6a9\uc5d0 \ub530\ub77c \uc774 \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ubc84\ud2bc \ud074\ub9ad\uc73c\ub85c \uce74\uc6b4\ud130 \uac12\uc774 \uc99d\uac00\ud558\ub294 \uacbd\uc6b0, \uce74\uc6b4\ud130 \uac12\uc740 \ucef4\ud3ec\ub10c\ud2b8\uc758 \uc0c1\ud0dc\ub85c \uc800\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n<h3>1.1 \uc0c1\ud0dc\uc758 \uc911\uc694\uc131<\/h3>\n<p>\uc0c1\ud0dc\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uad00\ub9ac\ud558\ub294 \uac83\uc740 \ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5\uacfc \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc0c1\ud0dc \ubcc0\uacbd\uc774 \ubc1c\uc0dd\ud558\uba74, \ub9ac\uc561\ud2b8\ub294 \ud574\ub2f9 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uc7ac\ub80c\ub354\ub9c1\ud569\ub2c8\ub2e4. \uc774\ub294 UI\uac00 \ud56d\uc0c1 \ucd5c\uc2e0 \uc0c1\ud0dc\ub97c \ubc18\uc601\ud558\ub3c4\ub85d \ud558\uae30 \uc704\ud55c \ud544\uc218\uc801\uc778 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/p>\n<h3>1.2 \uc0c1\ud0dc\uc758 \uad6c\uc131<\/h3>\n<p>\ub9ac\uc561\ud2b8\uc5d0\uc11c \uc0c1\ud0dc\ub294 \uc8fc\ub85c <code>useState<\/code> \ud6c5\uc744 \uc0ac\uc6a9\ud558\uc5ec \uad00\ub9ac\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc0c1\ud0dc\ub97c \uc815\uc758\ud558\uace0 \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \uac04\ub2e8\ud55c \uc608\uc81c \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n<pre>\n<code class=\"language-jsx\">\nimport React, { useState } from 'react';\n\nfunction Counter() {\n    \/\/ \uc0c1\ud0dc \ubcc0\uc218\ub97c \uc815\uc758\ud569\ub2c8\ub2e4.\n    const [count, setCount] = useState(0);\n\n    return (\n        <div>\n            <p>\ud604\uc7ac \uce74\uc6b4\ud130 \uac12: {count}<\/p>\n            <button ==\"\" onclick=\"{()\"> setCount(count + 1)}&gt;\uc99d\uac00<\/button>\n            <button ==\"\" onclick=\"{()\"> setCount(count - 1)}&gt;\uac10\uc18c<\/button>\n        <\/div>\n    );\n}\n\nexport default Counter;\n<\/code>\n<\/pre>\n<h2>2. \uc774\ubca4\ud2b8 \ucc98\ub9ac<\/h2>\n<p>\uc774\ubca4\ud2b8 \ucc98\ub9ac(event handling)\ub294 \uc0ac\uc6a9\uc790\uc758 \uc785\ub825\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. \ub9ac\uc561\ud2b8\uc5d0\uc11c\ub294 \uc774\ubca4\ud2b8\ub9ac\uc2a4\ub108\ub97c \ucd94\uac00\ud560 \ub54c HTML\uc758 camelCase \uaddc\uce59\uc744 \ub530\ub985\ub2c8\ub2e4.<\/p>\n<h3>2.1 \uc774\ubca4\ud2b8 \ud578\ub4e4\ub7ec \uc815\uc758<\/h3>\n<p>\uc774\ubca4\ud2b8 \ud578\ub4e4\ub7ec\ub97c \uc815\uc758\ud558\ub294 \uac83\uc740 \uc0ac\uc6a9\uc790\uc758 \uc0c1\ud638\uc791\uc6a9\uc5d0 \ubc18\uc751\ud558\ub294 \uc911\uc694\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc544\ub798\uc758 \uc608\uc81c \ucf54\ub4dc\uc5d0\uc11c\ub294 \ubc84\ud2bc \ud074\ub9ad \uc2dc \uc54c\ub9bc \uba54\uc2dc\uc9c0\ub97c \ud45c\uc2dc\ud558\ub294 \uc774\ubca4\ud2b8 \ud578\ub4e4\ub7ec\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n<pre>\n<code class=\"language-jsx\">\nfunction AlertButton() {\n    const showAlert = () =&gt; {\n        alert(\"\ubc84\ud2bc\uc774 \ud074\ub9ad\ub418\uc5c8\uc2b5\ub2c8\ub2e4!\");\n    };\n\n    return (\n        <button onclick=\"{showAlert}\">\ud074\ub9ad\ud558\uc138\uc694<\/button>\n    );\n}\n\nexport default AlertButton;\n<\/code>\n<\/pre>\n<h2>3. \uc0c1\ud0dc \ubcc0\uacbd\uacfc \ucef4\ud3ec\ub10c\ud2b8 \ub9ac\ub80c\ub354\ub9c1<\/h2>\n<p>\uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub418\uba74 \ub9ac\uc561\ud2b8\ub294 \ud574\ub2f9 \ucef4\ud3ec\ub10c\ud2b8\ub97c \ub2e4\uc2dc \ub80c\ub354\ub9c1\ud569\ub2c8\ub2e4. \uc774\ub294 \ub9ac\uc561\ud2b8\uac00 UI\ub97c \ud56d\uc0c1 \ucd5c\uc2e0 \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud558\uae30 \uc704\ud55c \uc911\uc694\ud55c \uba54\ucee4\ub2c8\uc998\uc785\ub2c8\ub2e4. \uc0c1\ud0dc \ubcc0\uacbd\uc740 <code>setState<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc218\ud589\ub418\uba70, \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub420 \ub54c\ub9c8\ub2e4 \ub9ac\uc561\ud2b8\ub294 \uac00\uc0c1 DOM\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\uace0, \ubcc0\uacbd\ub41c \ubd80\ubd84\ub9cc \uc2e4\uc81c DOM\uc5d0 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n<h3>3.1 \ub9ac\ub80c\ub354\ub9c1 \ud504\ub85c\uc138\uc2a4<\/h3>\n<p>\uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub418\uba74 \ub9ac\uc561\ud2b8\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacfc\uc815\uc744 \ub530\ub985\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\uc0c1\ud0dc \ubcc0\uacbd \uc694\uccad\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub9ac\uc561\ud2b8\ub294 \uac00\uc0c1 DOM\uc744 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.<\/li>\n<li>\uae30\uc874 DOM\uacfc \uac00\uc0c1 DOM\uc744 \ube44\uad50(diffing)\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubcc0\uacbd\ub41c \ubd80\ubd84\ub9cc \uc2e4\uc81c DOM\uc5d0 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\ub7ec\ud55c \ud504\ub85c\uc138\uc2a4 \ub355\ubd84\uc5d0 \ub9ac\uc561\ud2b8\ub294 \ub192\uc740 \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\uba74\uc11c\ub3c4 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub294 \ud56d\uc0c1 \ucd5c\uc2e0 \uc0c1\ud0dc\ub97c \ubc18\uc601\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>3.2 \uc608\uc81c: \uce74\uc6b4\ud130\uc640 \ub9ac\ub80c\ub354\ub9c1<\/h3>\n<p>\uc55e\uc11c \uc791\uc131\ud55c \uce74\uc6b4\ud130 \ucef4\ud3ec\ub10c\ud2b8\ub97c \ud1b5\ud574 \uc0c1\ud0dc \ubcc0\uacbd\uacfc \ub9ac\ub80c\ub354\ub9c1\uc744 \uad00\ucc30\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \ucf54\ub4dc\uc5d0\uc11c\ub294 \uce74\uc6b4\ud130\uc758 \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub420 \ub54c\ub9c8\ub2e4 \uba54\uc2dc\uc9c0\uac00 \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4.<\/p>\n<pre>\n<code class=\"language-jsx\">\nfunction OptimizedCounter() {\n    const [count, setCount] = useState(0);\n\n    const increment = () =&gt; {\n        setCount(prevCount =&gt; prevCount + 1);\n    };\n\n    return (\n        <div>\n            <p>\ud604\uc7ac \uce74\uc6b4\ud130 \uac12: {count}<\/p>\n            <button onclick=\"{increment}\">\uc99d\uac00<\/button>\n        <\/div>\n    );\n}\n<\/code>\n<\/pre>\n<h2>4. \ucd5c\uc801\ud654: \uc0c1\ud0dc \uad00\ub9ac\uc640 \ud37c\ud3ec\uba3c\uc2a4<\/h2>\n<p>\ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ubcf5\uc7a1\ud574\uc9c8\uc218\ub85d \uc0c1\ud0dc \uad00\ub9ac\uc640 \ub9ac\ub80c\ub354\ub9c1 \ucd5c\uc801\ud654\uac00 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4. \ud2b9\uc815 \ucef4\ud3ec\ub10c\ud2b8\ub9cc \ub9ac\ub80c\ub354\ub9c1\ud558\ub3c4\ub85d \uc124\uc815\ud558\uc5ec \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>4.1 React.memo<\/h3>\n<p><code>React.memo<\/code>\ub97c \uc0ac\uc6a9\ud558\uba74 \ucef4\ud3ec\ub10c\ud2b8\uac00 \ub3d9\uc77c\ud55c props\ub97c \ubc1b\uc744 \uacbd\uc6b0 \ub9ac\ub80c\ub354\ub9c1\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc0ac\uc6a9 \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n<pre>\n<code class=\"language-jsx\">\nconst MemoizedCounter = React.memo(function Counter({ count, increment }) {\n    return (\n        <div>\n            <p>\ud604\uc7ac \uce74\uc6b4\ud130 \uac12: {count}<\/p>\n            <button onclick=\"{increment}\">\uc99d\uac00<\/button>\n        <\/div>\n    );\n});\n<\/code>\n<\/pre>\n<h3>4.2 useCallback \ud6c5<\/h3>\n<p><code>useCallback<\/code> \ud6c5\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud568\uc218\ub97c \uba54\ubaa8\uc774\uc81c\uc774\uc158\ud568\uc73c\ub85c\uc368 \ubd88\ud544\uc694\ud55c \ub9ac\ub80c\ub354\ub9c1\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uadf8 \uc0ac\uc6a9 \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n<pre>\n<code class=\"language-jsx\">\nimport React, { useState, useCallback } from 'react';\n\nfunction EnhancedCounter() {\n    const [count, setCount] = useState(0);\n    \n    const increment = useCallback(() =&gt; {\n        setCount(prevCount =&gt; prevCount + 1);\n    }, []);\n    \n    return (\n        <memoizedcounter count=\"{count}\" increment=\"{increment}\"><\/memoizedcounter>\n    );\n}\n<\/code>\n<\/pre>\n<h2>5. \uacb0\ub860<\/h2>\n<p>\uc0c1\ud0dc \uad00\ub9ac\uc640 \uc774\ubca4\ud2b8 \ucc98\ub9ac\ub294 \ub9ac\uc561\ud2b8\uc758 \ud544\uc218\uc801\uc778 \ubd80\ubd84\uc785\ub2c8\ub2e4. \uc0c1\ud0dc\ub97c \uc62c\ubc14\ub974\uac8c \uad00\ub9ac\ud558\uba74 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc624\ub298 \ubc30\uc6b4 \ub0b4\uc6a9\uacfc \uc608\uc81c\ub4e4\uc744 \ud1b5\ud574 \uc0c1\ud0dc \uad00\ub9ac \ubc0f \uc774\ubca4\ud2b8 \ucc98\ub9ac\uc758 \uae30\ucd08\ub97c \uc774\ud574\ud560 \uc218 \uc788\uc5c8\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc2e4\uc2b5\uc744 \ud1b5\ud574 \ub354\uc6b1 \uae4a\uc774 \uc788\ub294 \uacbd\ud5d8\uc744 \uc313\uae30\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h2>6. \ucd94\uac00 \uc790\ub8cc<\/h2>\n<p>\uc0c1\ud0dc \uad00\ub9ac\uc640 \uad00\ub828\ub41c \ub354 \ub9ce\uc740 \uc790\ub8cc\ub97c \uc6d0\ud558\uc2e0\ub2e4\uba74 \ub2e4\uc74c\uc758 \ub9ac\uc18c\uc2a4\ub97c \ucc38\uc870\ud558\uc138\uc694:<\/p>\n<ul>\n<li><a href=\"https:\/\/reactjs.org\/docs\/hooks-state.html\">React Hooks &#8211; State Hook<\/a><\/li>\n<li><a href=\"https:\/\/reactjs.org\/docs\/hooks-reference.html#usecallback\">React Hooks &#8211; useCallback<\/a><\/li>\n<li><a href=\"https:\/\/reactjs.org\/docs\/react-api.html#reactmemo\">React.memo Documentation<\/a><\/li>\n<\/ul>\n<p>\ub9ac\uc561\ud2b8\ub97c \ud1b5\ud574 \ubcf5\uc7a1\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\ucd95\ud558\uba74\uc11c \uc0c1\ud0dc \uad00\ub9ac\uc758 \uc911\uc694\uc131\uacfc \uc774\ubca4\ud2b8 \ucc98\ub9ac\uc758 \ud544\uc694\uc131\uc744 \uae4a\uc774 \ub290\ub07c\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \uafb8\uc900\ud55c \ud559\uc2b5\uacfc \uc2e4\uc2b5\uc744 \ud1b5\ud574 \ub354\uc6b1 \ubc1c\uc804\ud558\ub294 \uac1c\ubc1c\uc790\uac00 \ub418\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub9ac\uc561\ud2b8\ub294 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ucd95\ud558\uae30 \uc704\ud55c \uac15\ub825\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \ub9ac\uc561\ud2b8\uc758 \ud575\uc2ec \uac1c\ub150 \uc911 \ud558\ub098\ub294 \uc0c1\ud0dc \uad00\ub9ac(state management)\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc0c1\ud0dc \uad00\ub9ac\uc758 \uae30\ucd08 \uac1c\ub150\ubd80\ud130 \uc0c1\ud0dc \ubcc0\uacbd\uc5d0 \ub530\ub978 \ucef4\ud3ec\ub10c\ud2b8 \ub9ac\ub80c\ub354\ub9c1\uc758 \uc6d0\ub9ac, \uadf8\ub9ac\uace0 \uc774\ubca4\ud2b8 \ucc98\ub9ac\uc758 \uc911\uc694\uc131\uae4c\uc9c0 \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. \uc0c1\ud0dc \uad00\ub9ac\ub780? \uc0c1\ud0dc(state)\ub294 \ucef4\ud3ec\ub10c\ud2b8\uc758 \ub3d9\uc801\uc778 \ub370\uc774\ud130\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub9ac\uc561\ud2b8 \ucef4\ud3ec\ub10c\ud2b8\ub294 \uc0c1\ud0dc\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc0ac\uc6a9\uc790\uc758 \uc0c1\ud638\uc791\uc6a9\uc5d0 \ub530\ub77c \uc774 \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c &hellip; <a href=\"https:\/\/atmokpo.com\/w\/38992\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;\uc0c1\ud0dc \uad00\ub9ac (State)\uc640 \uc774\ubca4\ud2b8 \ucc98\ub9ac, \uc0c1\ud0dc \ubcc0\uacbd\uacfc \ucef4\ud3ec\ub10c\ud2b8 \ub9ac\ub80c\ub354\ub9c1 \uc774\ud574\ud558\uae30&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[191],"tags":[],"class_list":["post-38992","post","type-post","status-publish","format-standard","hentry","category-react"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc0c1\ud0dc \uad00\ub9ac (State)\uc640 \uc774\ubca4\ud2b8 \ucc98\ub9ac, \uc0c1\ud0dc \ubcc0\uacbd\uacfc \ucef4\ud3ec\ub10c\ud2b8 \ub9ac\ub80c\ub354\ub9c1 \uc774\ud574\ud558\uae30 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta 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