{"id":409,"date":"2026-06-26T13:35:23","date_gmt":"2026-06-26T13:35:23","guid":{"rendered":"https:\/\/aabbee.cafe24.com\/?p=409"},"modified":"2026-06-26T14:02:46","modified_gmt":"2026-06-26T14:02:46","slug":"4-%ed%81%b4%eb%a1%9c%ec%a0%80","status":"publish","type":"post","link":"https:\/\/coalacoding.com\/?p=409","title":{"rendered":"4-\ud074\ub85c\uc800"},"content":{"rendered":"

<\/Accordion><\/p>\n

1. \uac00\ube44\uc9c0\uceec\ub809\uc158<\/h2>\n

\ucf5c\uc2a4\ud0dd\uc5d0\uc11c \uba54\ubaa8\ub9ac\ub97c \uc790\ub3d9\uc73c\ub85c \uc0ad\uc81c\ud558\ub294 \uacfc\uc815\uc744 \uac00\ube44\uc9c0 \uceec\ub809\uc158\uc774\ub77c\uace0 \ud558\uace0 \uc774 \uc2dc\uc2a4\ud15c\uc744 \uac00\ube44\uc9c0 \uceec\ub809\uc158 \uc774\ub77c\uace0 \ud55c\ub2e4.
\n\uba54\ubaa8\ub9ac\uc758 \ub204\uc218\ub97c \ubc29\uc9c0\ud558\ub824\ub294 \ubaa9\uc801\uc73c\ub85c \ud3c9\uac00\uac00 \uc644\ub8cc\ub41c \ucf54\ub4dc\ub97c \ucf5c\uc2a4\ud0dd\uc5d0\uc11c \uc81c\uac70\ud558\ub294 \uac83\uc778\ub370 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub294 \uc774\uac83\uc744 \uc790\ub3d9\uc73c\ub85c \uc9c0\uc6d0\ud55c\ub2e4.<\/p>\n

1-1-\uac00\ube44\uc9c0 \uceec\ub809\ud130(Garbage Collactor): <\/strong><\/h4>\n

\uba54\ubaa8\ub9ac\uc5d0\uc11c \ub354\uc774\uc0c1 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\ub294 \uc2e4\ud589\ucee8\ud14d\uc2a4\ud2b8 \uac10\uc9c0\ud558\uace0 \ud574\ub2f9 \uba54\ubaa8\ub9ac\ub97c \ud68c\uc218 \ud558\uc5ec \uc0ad\uc81c\ud558\ub294 \uc2dc\uc2a4\ud15c<\/p>\n

function outer() {\n  let a = 10;\n  return function inner() {\n    a++;\n    console.log(b);\n  }\n}\nconst fn = outer();\nfn();\n<\/code><\/pre>\n
\uc704 \ucf54\ub4dc\uc758 \uacb0\uacfc\ub97c \uc608\uc0c1\ud574 \ubcf4\uc790<\/p>\n
\"\"<\/p>\n
11\uc774\ub77c\ub294 \uac12\uc774 \ud3c9\uac00\ub418\uace0 \uac00\ube44\uc9c0\uceec\ub809\ud130\ub85c \ucee8\ud14d\uc2a4\ud2b8\uac00 \uc774\ub3d9\ud558\uba74\uc11c \ucf5c\uc2a4\ud0dd\uc740 \ube44\uc6cc\uc838 \uc788\uc744\uac83\uc774\ub2e4.<\/p>\n
function outer() {\n  let a = 10;\n  return function inner() {\n    a++;\n    console.log(a);\n  }\n}\nconst fn = outer();\nfn();\nfn();\nfn();\n<\/code><\/pre>\n
\ud558\uc9c0\ub9cc \ud638\ucd9c\ud560\ub54c \ub9c8\ub2e4 \uac12\uc774 \uc99d\uac00\ud558\ub294 \uc774\uc0c1\ud55c \uc77c\uc774 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n
1-2-\uc608\uc678<\/h3>\n
\ucee8\ud14d\uc2a4\ud2b8\uc758 \ub808\ucf54\ub4dc \uac12\uc774 \ucc38\uc870\uc911 \uc77c \ub54c\ub294 \uac00\ube44\uc9c0\uceec\ub809\ud130\uac00 \uc790\ub3d9\uc73c\ub85c \uc218\ud589\ub418\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n
\"\"<\/p>\n
inner \uc758 a \uac00 \uc0c1\uc704\ucee8\ud14d\uc2a4\ud2b8\uc778 a\uc758 \uac12\uc744 \ucc38\uc870\ud558\ubbc0\ub85c outer \ub294 \uac00\ube44\uc9c0\uceec\ub809\ud130 \ub300\uc0c1\uc774 \ub418\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n
2-\ud074\ub85c\uc800<\/h2>\n
\ud074\ub85c\uc800\ub294 1-2\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ud604\uc0c1\uc744 \ub9d0\ud55c\ub2e4.<\/p>\n
2-1-\uc815\uc758<\/h3>\n
\n
Info<\/strong>: \ud568\uc218\uac00 \uc0dd\uc131\ub420 \ub54c \uadf8 \uc8fc\ubcc0\uc758 \ubcc0\uc218 \ud658\uacbd(\uc2a4\ucf54\ud504)\uc744 \uae30\uc5b5\ud558\uace0, \uc0dd\uc131 \uc774\ud6c4\uc5d0\ub3c4 \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uae30\ub2a5<\/strong><\/p>\n<\/blockquote>\n
\n
  \uac00\ube44\uc9c0\uceec\ub809\uc158\uc758 \ub300\uc0c1\uc774 \ub418\uc9c0 \ubabb\ud558\uace0 \uba54\ubaa8\ub9ac \uc81c\uac70\uac00 \ub418\uc9c0 \ubabb\ud574 \uba54\ubaa8\ub9ac\uc5d0 \ub0a8\uc544 \uc788\ub294 \ud604\uc0c1<\/p>\n
2-2-\uac1c\ub150\uc694\uc57d<\/h3>\n
    \n
  1. \ud568\uc218\uac00 \ub9cc\ub4e4\uc5b4\uc9c8 \ub54c\uc758 \ubcc0\uc218 \ud658\uacbd\uc744 \uae30\uc5b5<\/strong> \u2192 \ud568\uc218\uac00 \uc2e4\ud589\ub420 \ub54c\ub9cc \uc544\ub2c8\ub77c, \uc774\ud6c4\uc5d0\ub3c4 \ud574\ub2f9 \ubcc0\uc218\uc5d0 \uc811\uadfc \uac00\ub2a5<\/li>\n
  2. \ub0b4\ubd80 \ud568\uc218\uac00 \uc678\ubd80 \ud568\uc218\uc758 \ubcc0\uc218\ub97c \ucc38\uc870<\/strong> \u2192 \ub0b4\ubd80 \ud568\uc218\uac00 \uc2e4\ud589\ub418\ub294 \ub3d9\uc548 \uc678\ubd80 \ud568\uc218\uc758 \ubcc0\uc218\ub294 \uc720\uc9c0\ub428<\/li>\n
  3. \ub370\uc774\ud130 \uc740\ub2c9(\ucea1\uc290\ud654)<\/strong> \u2192 \ud074\ub85c\uc800\ub97c \ud65c\uc6a9\ud558\uba74 \uc678\ubd80\uc5d0\uc11c \uc9c1\uc811 \uc811\uadfc\ud560 \uc218 \uc5c6\ub294 \ubcc0\uc218\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc74c<\/li>\n<\/ol>\n
    2-3-\ud65c\uc6a9<\/h3>\n
      \n
    1. \ubcc0\uc218\uc758 \uc720\uc9c0 (\uc0c1\ud0dc \uc720\uc9c0 \uae30\ub2a5)<\/strong> \u2192 \ud55c \ubc88 \uc2e4\ud589\ub41c \ud568\uc218\uc758 \uac12\uc744 \uc800\uc7a5\ud558\uace0 \ub2e4\uc2dc \uc0ac\uc6a9\ud560 \ub54c<\/li>\n
    2. \ub370\uc774\ud130 \ubcf4\ud638 (\uc815\ubcf4 \uc740\ub2c9)<\/strong> \u2192 \uc678\ubd80\uc5d0\uc11c \uc9c1\uc811 \ubcc0\uacbd\ud560 \uc218 \uc5c6\ub3c4\ub85d \ubcc0\uc218\ub97c \ubcf4\ud638\ud560 \ub54c<\/li>\n
    3. \ucf5c\ubc31 \ud568\uc218 \ud65c\uc6a9<\/strong> \u2192 \ube44\ub3d9\uae30 \ucc98\ub9ac\ub098 \uc774\ubca4\ud2b8 \ud578\ub4e4\ub7ec\uc5d0\uc11c \uc774\uc804 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud560 \ub54c<\/li>\n<\/ol>\n
      2-4-\uc608\uc2dc<\/h3>\n
      \uc815\ubcf4\ub97c \uc548\uc804\ud558\uac8c \uc740\ub2c9(Information Hiding<\/strong>) <\/p>\n
      let n = 0;\nconst increase = function () {\n  return ++n;\n}\nconsole.log(increase());\nconsole.log(increase());\nconsole.log(increase());\n<\/code><\/pre>\n
      \uc704\uc758 \ucf54\ub4dc\ub294 \uc7a0\uc7ac\uc801\uc73c\ub85c \ubc84\uadf8\uac00 \uc788\ub2e4.
      \n\ubcc0\uc218 n\uc740 increase \ud568\uc218\uc758 \ud638\ucd9c\uc2dc\uc5d0\ub9cc \ubcc0\uacbd\ub418\uc5b4\uc57c \uc804\uc5ed\ubcc0\uc218\ub77c \ub2e4\ub978 \ucf54\ub4dc\uc5d0 \uc758\ud574\uac12\uc744 \ubcc0\uacbd\ud560\uc218 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n
      const increase = function () {\n  let n = 0;\n  return ++n;\n}\nconsole.log(increase());\nconsole.log(increase());\nconsole.log(increase());\n<\/code><\/pre>\n
      \uc704\uc640 \uac19\uc774 \uc218\uc815\ud558\uba74 n\uc740 \uc9c0\uc5ed\ubcc0\uc218\ub85c increase \ud568\uc218\ub9cc \ubcc0\uacbd\ud560\uc218 \uc788\uac8c\ub41c\ub2e4.
      \n\ub204\uc0b0\uc744 \ud558\uc9c0 \ubabb\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n
      2-4-1-\ud074\ub85c\uc800\ud328\ud134<\/h4>\n
      const increase = (function () {\n  let n = 0;\n  return function () { return ++n }\n}())\nconsole.log(increase());\nconsole.log(increase());\nconsole.log(increase());\n<\/code><\/pre>\n
      \uc704\uc640 \uac19\uc774 \uc218\uc815\ud574\ubcf4\uc790
      \nincrease \ubcc0\uc218\uc758 \ud568\uc218\ub97c \uc989\uc2dc\uc2e4\ud589\ud568\uc218\ub85c \uc218\uc815\ud55c\ub2e4.<\/p>\n
      2-4-2-\uc18c\uc2a4\ucf54\ub4dc\uc758 \ud3c9\uac00\ub2e8\uacc4<\/h4>\n
      1\ub2e8\uacc4: \uc804\uc5ed \uc2e4\ud589 \ucee8\ud14d\uc2a4\ud2b8 \uc0dd\uc131<\/strong><\/h4>\n