{"id":25910,"date":"2024-10-27T06:48:27","date_gmt":"2024-10-27T06:48:27","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=25910"},"modified":"2024-11-26T07:51:16","modified_gmt":"2024-11-26T07:51:16","slug":"%eb%a6%ac%ec%95%a1%ed%8a%b8-%ea%b0%95%ec%a2%8c","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/25910\/","title":{"rendered":"\ub9ac\uc561\ud2b8 \uac15\uc88c"},"content":{"rendered":"<p><body><\/p>\n<p>\ub9ac\uc561\ud2b8\ub294 UI\ub97c \uad6c\ucd95\ud558\uae30 \uc704\ud55c \ub9e4\uc6b0 \uc778\uae30 \uc788\ub294 JavaScript \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c,<br \/>\n\uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0\uc11c \uac15\ub825\ud55c \ub3c4\uad6c\ub85c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4.<br \/>\n\uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \ub9ac\uc561\ud2b8\uc758 \uae30\ucd08\ubd80\ud130 \uace0\uae09 \uac1c\ub150\uae4c\uc9c0 \uc790\uc138\ud558\uac8c \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ub9ac\uc561\ud2b8\ub780?<\/h2>\n<p>\ub9ac\uc561\ud2b8\ub294 \ud398\uc774\uc2a4\ubd81\uc5d0\uc11c \uac1c\ubc1c\ud55c \uc624\ud508 \uc18c\uc2a4 JavaScript \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c,<br \/>\n\uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ucd95\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc8fc\ub85c \ub2e8\uc77c \ud398\uc774\uc9c0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158(SPA)\uc758<br \/>\n\ubdf0 \ub808\uc774\uc5b4\ub97c \uc791\uc131\ud558\ub294 \ub370 \ucd08\uc810\uc744 \ub9de\ucd94\uace0 \uc788\uc73c\uba70, \ucef4\ud3ec\ub10c\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98\ub97c \uac16\ucd98 \uac83\uc774<br \/>\n\ud2b9\uc9d5\uc785\ub2c8\ub2e4. \ub9ac\uc561\ud2b8\ub97c \uc0ac\uc6a9\ud558\uba74 \uc7ac\uc0ac\uc6a9 \uac00\ub2a5\ud55c UI \ucef4\ud3ec\ub10c\ud2b8\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc5b4 \uac1c\ubc1c \ud6a8\uc728\uc131\uc744<br \/>\n\ub192\uc774\uace0 \ucf54\ub4dc \uad00\ub9ac\ub97c \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\ub9ac\uc561\ud2b8\uc758 \ud2b9\uc9d5<\/h3>\n<ul>\n<li><strong>\ucef4\ud3ec\ub10c\ud2b8 \uae30\ubc18 :<\/strong> \ub9ac\uc561\ud2b8\ub294 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec UI\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4.<br \/>\n    \ucef4\ud3ec\ub10c\ud2b8\ub294 \uc791\uc740 \ub3c5\ub9bd\uc801\uc778 UI \uc870\uac01\uc73c\ub85c, \uac01\uac01\uc758 \ucef4\ud3ec\ub10c\ud2b8\ub294 \ud2b9\uc815\ud55c \ub85c\uc9c1\uacfc \uc0c1\ud0dc\ub97c<br \/>\n    \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uac00\uc0c1 DOM :<\/strong> \ub9ac\uc561\ud2b8\ub294 \uac00\uc0c1 DOM(Virtual DOM)\uc744 \uc0ac\uc6a9\ud558\uc5ec<br \/>\n    \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4. \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub418\uba74 \ub9ac\uc561\ud2b8\ub294 \uc2e4\uc81c DOM\uc758 \ubcc0\uacbd \uc0ac\ud56d\uc744 \ucd5c\uc18c\ud654\ud558\uc5ec<br \/>\n    \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e8\ubc29\ud5a5 \ub370\uc774\ud130 \ud750\ub984 :<\/strong> \ub9ac\uc561\ud2b8\ub294 \ub370\uc774\ud130\uac00 \ubd80\ubaa8 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c<br \/>\n    \uc790\uc2dd \ucef4\ud3ec\ub10c\ud2b8\ub85c \ud750\ub974\ub294 \ub2e8\ubc29\ud5a5 \ub370\uc774\ud130 \ud750\ub984\uc744 \ub530\ub985\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130 \ud750\ub984\uc744<br \/>\n    \uba85\ud655\ud558\uac8c \ud558\uace0 \ub514\ubc84\uae45\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>JSX :<\/strong> \ub9ac\uc561\ud2b8\uc5d0\uc11c UI\ub97c \uc815\uc758\ud558\uae30 \uc704\ud574 JSX\ub77c\ub294 \ubb38\ubc95\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<br \/>\n    JSX\ub294 JavaScript \ucf54\ub4dc \uc548\uc5d0 HTML\uacfc \uac19\uc740 \uad6c\ubb38\uc744 \ud3ec\ud568\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc124\uce58 \ubc0f \ud658\uacbd \uc124\uc815<\/h2>\n<p>\ub9ac\uc561\ud2b8\ub97c \uc124\uce58\ud558\uae30 \uc704\ud574\uc11c\ub294 Node.js\uc640 npm(Node Package Manager)\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<br \/>\n\uc774\ub97c \ud1b5\ud574 \ub9ac\uc561\ud2b8\ub97c \ube44\ub86f\ud55c \ub2e4\uc591\ud55c \ud328\ud0a4\uc9c0\ub97c \uc190\uc27d\uac8c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc544\ub798\ub294 \ub9ac\uc561\ud2b8\ub97c \uc124\uce58\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/p>\n<h3>1. Node.js \uc124\uce58<\/h3>\n<p>Node.js\ub97c \uc124\uce58\ud558\ub824\uba74 <a href=\"https:\/\/nodejs.org\/en\/download\/\">Node.js \uacf5\uc2dd \uc6f9\uc0ac\uc774\ud2b8<\/a>\uc5d0\uc11c<br \/>\n\uc6b4\uc601\uccb4\uc81c\uc5d0 \ub9de\ub294 \uc124\uce58 \ud30c\uc77c\uc744 \ub2e4\uc6b4\ub85c\ub4dc\ud558\uace0 \uc124\uce58\ud569\ub2c8\ub2e4. \uc124\uce58\uac00 \uc644\ub8cc\ub418\uba74,<br \/>\n\ud130\ubbf8\ub110\uc5d0\uc11c \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud558\uc5ec Node.js\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc124\uce58\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>node -v<\/code><\/pre>\n<h3>2. Create React App \uc0ac\uc6a9<\/h3>\n<p>\ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2dc\uc791\ud558\ub294 \uac00\uc7a5 \uc26c\uc6b4 \ubc29\ubc95\uc740 Create React App\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<br \/>\nCreate React App\uc740 \ub9ac\uc561\ud2b8 \uc571\uc744 \uc704\ud55c \ud45c\uc900 \uc124\uc815\uc744 \uc790\ub3d9\uc73c\ub85c \uc0dd\uc131\ud574 \uc8fc\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4.<br \/>\n\ud130\ubbf8\ub110\uc5d0 \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud558\uc5ec Create React App\uc744 \uc124\uce58\ud558\uace0 \uc0c8 \ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744<br \/>\n\uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>npx create-react-app my-app<\/code><\/pre>\n<p>\uc704 \uba85\ub839\uc5b4\uc5d0\uc11c &#8220;my-app&#8221;\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc774\ub984\uc785\ub2c8\ub2e4. \uc6d0\ud558\ub294 \uc774\ub984\uc73c\ub85c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>3. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2e4\ud589<\/h3>\n<p>\uc0c8\ub85c \uc0dd\uc131\ud55c \ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ub514\ub809\ud130\ub9ac\ub85c \uc774\ub3d9\ud55c \ud6c4, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>cd my-app\nnpm start<\/code><\/pre>\n<p>\uc704 \uba85\ub839\uc5b4\ub97c \uc2e4\ud589\ud558\uba74 \uae30\ubcf8 \uc6f9 \ube0c\ub77c\uc6b0\uc800\uc5d0\uc11c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc2e4\ud589\ub418\uace0,<br \/>\nhttp:\/\/localhost:3000\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub9ac\uc561\ud2b8\uc758 \uae30\ucd08<\/h2>\n<p>\uc774\uc81c \ub9ac\uc561\ud2b8\uc758 \uae30\ucd08 \uac1c\ub150\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \uae30\ubcf8\uc801\uc778 \ucef4\ud3ec\ub10c\ud2b8\ub97c<br \/>\n\uc791\uc131\ud558\uace0, \uc0c1\ud0dc(state)\uc640 \uc18d\uc131(props)\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n<h3>1. \ucef4\ud3ec\ub10c\ud2b8 \uc0dd\uc131<\/h3>\n<p>\ub9ac\uc561\ud2b8\uc5d0\uc11c\ub294 \ucef4\ud3ec\ub10c\ud2b8\ub97c \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8\uc640 \ud074\ub798\uc2a4\ud615 \ucef4\ud3ec\ub10c\ud2b8\ub85c \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uae30\ubcf8\uc801\uc778 \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8\uc758 \uc608\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>function Welcome(props) {\n    return &lt;h1&gt;\uc548\ub155\ud558\uc138\uc694, {props.name}!&lt;\/h1&gt;;\n}<\/code><\/pre>\n<p>\uc774 \ucef4\ud3ec\ub10c\ud2b8\ub294 props\uc744 \uc804\ub2ec\ubc1b\uc544 \uc778\uc0ac\ub9d0\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \ucef4\ud3ec\ub10c\ud2b8\ub97c \uc0ac\uc6a9\ud558\ub824\uba74,<br \/>\n\ub2e4\uc74c\uacfc \uac19\uc774 \ud3ec\ud568\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>&lt;Welcome name=\"\ud64d\uae38\ub3d9\" \/&gt;<\/code><\/pre>\n<h3>2. \uc0c1\ud0dc \uad00\ub9ac<\/h3>\n<p>\uc0c1\ud0dc\ub294 \ucef4\ud3ec\ub10c\ud2b8\uc758 \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c<br \/>\n\uc0c1\ud0dc\ub97c \uad00\ub9ac\ud558\ub824\uba74 useState \ud6c5\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 \uc0c1\ud0dc\ub97c \uc0ac\uc6a9\ud558\ub294<br \/>\n\uac04\ub2e8\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>import React, { useState } from 'react';\n\nfunction Counter() {\n    const [count, setCount] = useState(0);\n\n    return (\n        &lt;div&gt;\n            &lt;p&gt;\ud604\uc7ac \uce74\uc6b4\ud2b8: {count}&lt;\/p&gt;\n            &lt;button onClick={() =&gt; setCount(count + 1)}&gt;\uce74\uc6b4\ud2b8 \uc99d\uac00&lt;\/button&gt;\n        &lt;\/div&gt;\n    );\n}<\/code><\/pre>\n<h3>3. \uc18d\uc131(props) \uc804\ub2ec<\/h3>\n<p>props\ub294 \ucef4\ud3ec\ub10c\ud2b8 \uac04\uc5d0 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ubd80\ubaa8 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c<br \/>\n\uc790\uc2dd \ucef4\ud3ec\ub10c\ud2b8\ub85c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>function App() {\n    return &lt;Welcome name=\"\ud64d\uae38\ub3d9\" \/&gt;;\n}<\/code><\/pre>\n<h2>\ub9ac\uc561\ud2b8\uc758 \uace0\uae09 \uac1c\ub150<\/h2>\n<p>\uc774\ubc88 \uc139\uc158\uc5d0\uc11c\ub294 \ub9ac\uc561\ud2b8\uc758 \uace0\uae09 \uac1c\ub150\uc778 Hooks, Context API,<br \/>\n\ub77c\uc6b0\ud305, \uc0c1\ud0dc \uad00\ub9ac \ub4f1\uacfc \uad00\ub828\ub41c \ub0b4\uc6a9\ub4e4\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>1. \ub9ac\uc561\ud2b8 Hooks<\/h3>\n<p>\ub9ac\uc561\ud2b8 Hooks\ub294 \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c \uc0c1\ud0dc\uc640 \uc0dd\uba85\uc8fc\uae30 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d<br \/>\n\ud574\uc8fc\ub294 \ud568\uc218\ub4e4\uc785\ub2c8\ub2e4. \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 Hooks \uc911 \uc77c\ubd80\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>useState:<\/strong> \uc0c1\ud0dc\ub97c \uad00\ub9ac\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>useEffect:<\/strong> \ucef4\ud3ec\ub10c\ud2b8\uac00 \ub80c\ub354\ub9c1\ub41c \ud6c4 \ud2b9\uc815 \uc791\uc5c5\uc744 \uc218\ud589\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>useContext:<\/strong> Context API\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\uc5ed \uc0c1\ud0dc\ub97c \uad00\ub9ac\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>2. Context API<\/h3>\n<p>Context API\ub294 \ub9ac\uc561\ud2b8\uc5d0\uc11c \uc804\uc5ed \uc0c1\ud0dc\ub97c \uad00\ub9ac\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<br \/>\nContext\ub97c \uc0ac\uc6a9\ud558\uba74 \ucef4\ud3ec\ub10c\ud2b8 \ud2b8\ub9ac \uc804\uccb4\uc5d0 \ub370\uc774\ud130\ub97c \uc27d\uac8c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc544\ub798\ub294 Context API\ub97c \uc0ac\uc6a9\ud558\ub294 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>import React, { createContext, useContext } from 'react';\n\nconst MyContext = createContext();\n\nfunction Parent() {\n    return (\n        &lt;MyContext.Provider value=\"\uc548\ub155\ud558\uc138\uc694!\"&gt;\n            &lt;Child \/&gt;\n        &lt;\/MyContext.Provider&gt;\n    );\n}\n\nfunction Child() {\n    const value = useContext(MyContext);\n    return &lt;p&gt;{value}&lt;\/p&gt;;\n}<\/code><\/pre>\n<h3>3. \ub9ac\uc561\ud2b8 Router<\/h3>\n<p>\ub9ac\uc561\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec SPA\ub97c \uad6c\ucd95\ud560 \ub54c \ub77c\uc6b0\ud305 \uae30\ub2a5\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<br \/>\n\ub9ac\uc561\ud2b8 \ub77c\uc6b0\ud130\ub97c \uc0ac\uc6a9\ud558\uba74 \ud398\uc774\uc9c0 \uac04\uc758 \uc804\ud658\uc744 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc544\ub798\ub294 \uae30\ubcf8\uc801\uc778 \ub9ac\uc561\ud2b8 \ub77c\uc6b0\ud130 \uc0ac\uc6a9 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>import { BrowserRouter as Router, Route, Switch } from 'react-router-dom';\n\nfunction App() {\n    return (\n        &lt;Router&gt;\n            &lt;Switch&gt;\n                &lt;Route path=\"\/\" exact component={Home} \/&gt;\n                &lt;Route path=\"\/about\" component={About} \/&gt;\n            &lt;\/Switch&gt;\n        &lt;\/Router&gt;\n    );\n}<\/code><\/pre>\n<h2>\ub9ac\uc561\ud2b8\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654<\/h2>\n<p>\ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub294 \uac83\uc740 \uac1c\ubc1c \uacfc\uc815\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \ubd80\ubd84\uc785\ub2c8\ub2e4.<br \/>\n\uc5ec\uae30\uc11c\ub294 \uc131\ub2a5 \ucd5c\uc801\ud654\ub97c \uc704\ud55c \uba87 \uac00\uc9c0 \uae30\ubc95\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n<h3>1. React.memo<\/h3>\n<p>React.memo\ub294 \ucef4\ud3ec\ub10c\ud2b8\uc758 props\uac00 \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc558\uc744 \ub54c,<br \/>\n\ub80c\ub354\ub9c1\uc744 \ubc29\uc9c0\ud558\ub294 \uace0\ucc28 \ucef4\ud3ec\ub10c\ud2b8\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc544\ub798\ub294 \uc0ac\uc6a9 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>const MyComponent = React.memo(function MyComponent(props) {\n    \/* \ub80c\ub354\ub9c1 \ub85c\uc9c1 *\/\n});<\/code><\/pre>\n<h3>2. useCallback<\/h3>\n<p>useCallback \ud6c5\uc740 \uc778\ub77c\uc778 \ud568\uc218\ub97c \uba54\ubaa8\uc774\uc81c\uc774\uc158\ud558\uc5ec<br \/>\n\ubd88\ud544\uc694\ud55c \ub80c\ub354\ub9c1\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<br \/>\n\uc544\ub798\ub294 useCallback\uc744 \uc0ac\uc6a9\ud558\ub294 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>const memoizedCallback = useCallback(() =&gt; {\n    \/* some action *\/\n}, [dependency]);<\/code><\/pre>\n<h3>3. \ucf54\ub4dc \ubd84\ud560<\/h3>\n<p>\ub9ac\uc561\ud2b8\uc5d0\uc11c\ub294 \ucf54\ub4dc \uc2a4\ud50c\ub9ac\ud305(Code Splitting)\uc744 \ud1b5\ud574 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\ub3d9\uc801 \uc784\ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0\ub9cc \ucef4\ud3ec\ub10c\ud2b8\ub97c \ub85c\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc544\ub798\ub294 \ucf54\ub4dc \uc2a4\ud50c\ub9ac\ud305\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>const OtherComponent = React.lazy(() =&gt; import('.\/OtherComponent'));<\/code><\/pre>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \ub9ac\uc561\ud2b8\uc758 \uae30\ubcf8 \uac1c\ub150\ubd80\ud130 \uace0\uae09 \uae30\uc220\uae4c\uc9c0\ub97c \uc790\uc138\ud788 \ub2e4\ub918\uc2b5\ub2c8\ub2e4.<br \/>\n\ub9ac\uc561\ud2b8\ub294 \uac15\ub825\ud55c UI \uad6c\ucd95 \ub3c4\uad6c\ub85c, \ub2e4\uc591\ud55c \ud504\ub85c\uc81d\ud2b8\uc5d0 \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uadf8\ub7ec\ub098 \ub9ac\uc561\ud2b8\ub97c \ucc98\uc74c \uc811\ud558\ub294 \uac1c\ubc1c\uc790\ub4e4\uc740<br \/>\n\ud559\uc2b5 \uacfc\uc815\uc5d0\uc11c \uc5b4\ub824\uc6c0\uc744 \uacaa\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uafb8\uc900\ud55c \uc5f0\uc2b5\uacfc<br \/>\n\ud504\ub85c\uc81d\ud2b8\ub97c \ud1b5\ud574 \ub9ac\uc561\ud2b8\uc758 \uac1c\ub150\uc744 \uc644\ubcbd\ud788 \uc774\ud574\ud558\uace0 \ud65c\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ub178\ub825\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ub9ac\uc561\ud2b8\uc758 \uc0dd\ud0dc\uacc4\ub294 \ub9e4\uc6b0 \ubc29\ub300\ud558\uc5ec, \ub2e4\uc591\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac \ubc0f \ub3c4\uad6c\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4.<br \/>\n\uad00\ub828 \ubb38\uc11c\ub098 \ub9ac\uc18c\uc2a4\ub97c \ud1b5\ud574 \uc9c0\uc18d\uc801\uc73c\ub85c \ud559\uc2b5\ud558\uba74,<br \/>\n\ub354 \ub098\uc740 \ub9ac\uc561\ud2b8 \uac1c\ubc1c\uc790\uac00 \ub420 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub9ac\uc561\ud2b8\ub294 UI\ub97c \uad6c\ucd95\ud558\uae30 \uc704\ud55c \ub9e4\uc6b0 \uc778\uae30 \uc788\ub294 JavaScript \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0\uc11c \uac15\ub825\ud55c \ub3c4\uad6c\ub85c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \ub9ac\uc561\ud2b8\uc758 \uae30\ucd08\ubd80\ud130 \uace0\uae09 \uac1c\ub150\uae4c\uc9c0 \uc790\uc138\ud558\uac8c \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4. \ub9ac\uc561\ud2b8\ub780? \ub9ac\uc561\ud2b8\ub294 \ud398\uc774\uc2a4\ubd81\uc5d0\uc11c \uac1c\ubc1c\ud55c \uc624\ud508 \uc18c\uc2a4 JavaScript \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ucd95\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc8fc\ub85c \ub2e8\uc77c \ud398\uc774\uc9c0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158(SPA)\uc758 \ubdf0 \ub808\uc774\uc5b4\ub97c \uc791\uc131\ud558\ub294 \ub370 \ucd08\uc810\uc744 \ub9de\ucd94\uace0 \uc788\uc73c\uba70, \ucef4\ud3ec\ub10c\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98\ub97c \uac16\ucd98 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/25910\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;\ub9ac\uc561\ud2b8 \uac15\uc88c&#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":[20],"tags":[],"class_list":["post-25910","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is 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