arguments\ubc30\uc5f4\uacfc arguments.callee<\/p>\n
\ud568\uc218\ub97c \uc0dd\uc131\ud558\uac8c \ub418\uba74, \ud638\ucd9c\uac1d\uccb4\ub77c \ud558\ub294 \uc0c8\ub85c\uc6b4 \uac1d\uccb4\uac00 \uc0dd\uc131\ub41c\ub2e4.
\n\uc0dd\uc131\ub428\uacfc \ub3d9\uc2dc\uc5d0 \uc720\ud6a8\ubc94\uc704\uccb4\uc778 \ub9e8\uc55e\uc5d0 \ucd94\uac00\ub418\ub294\ub370 \uc774 \uc720\ud6a8\ubc94\uc704\uccb4\uc778\uc740 \ub9d0\uc740 \uc5b4\ub835\uc9c0\ub9cc \uc27d\uac8c \uc54c\uc218\uc788\ub2e4.
\n\uc804\uc5ed\ubcc0\uc218, \uc9c0\uc5ed\ubcc0\uc218, \ud568\uc218\uc758 \uc720\ud6a8\ud55c \uad6c\uc5ed\uc744 \uad00\ud560\ud558\ub294\uac83\uc774 \uc720\ud6a8\ubc94\uc704\uccb4\uc778\uc774\ub77c \ubcfc\uc218\uc788\ub2e4.
\n\ud568\uc218\uac00 \ud638\ucd9c\ub418\uba74\uc11c \ud638\ucd9c\uac1d\uccb4\ub294 \ud568\uc218\uc758 arguments\uac1d\uccb4\ub97c \uac00\ub974\ud0a4\ub294
\narguments\ud504\ub85c\ud37c\ud2f0\ub85c \ucd08\uae30\ud654\ub418\ub294\ub370.. \ud568\uc218\uc758 \uc774\ub984\uc774\uba85\uc2dc\ub41c \ub9e4\uac1c\ubcc0\uc218,var \ubb38\uc73c\ub85c \uc120\uc5b8\ub41c \uc9c0\uc5ed\ubcc0\uc218
\n\ub4e4\ub610\ud55c \ud638\ucd9c\uac1d\uccb4\uc5d0 \uc815\uc758\ub41c\ub2e4.<\/p>\n
\ud568\uc218\ub97c \uc0dd\uc131\ud558\uba74\uc11c \ud638\ucd9c\uac1d\uccb4\uac00 \uc0dd\uc131\ub418\uace0 \uc774 \ud638\ucd9c\uac1d\uccb4\ub294 argument\uac1d\uccb4\ub97c \uac00\ub974\ud0a4\ub294 \ud504\ub85c\ud37c\ud2f0
\n\uac01 \ub9e4\uac1c\ubcc0\uc218\uc640 \uc9c0\uc5ed\ubcc0\uc218\ub97c \ud3ec\ud568\ud558\uc5ec \uc720\ud6a8\ubc94\uc704\uccb4\uc778\uc758 \ub9e8\uc55e\uc5d0 \uc815\uc758\ub41c\ub2e4\ud588\ub2e4. \ub530\ub77c\uc11c
\n\uc774 \ud638\ucd9c\uac1d\uccb4\ub294 \uc720\ud6a8\ubc94\uc704 \uccb4\uc778 \ub9e8\uc55e\uc5d0 \uc704\uce58\ud558\uae30\ub54c\ubb38\uc5d0 \ud568\uc218\uc758 \uc9c0\uc5ed\ubcc0\uc218, \ub9e4\uac1c\ubcc0\uc218\ub4e4\uacfc arguments\uac1d\uccb4\ub294
\n\ubaa8\ub450 \ud568\uc218 \ub0b4 \uc720\ud6a8\ubc94\uc704\uc5d0 \uc788\uac8c\ub41c\ub2e4.<\/p>\n
\uc544\uc8fc \uac04\ub2e8\ud788\ub9d0\ud558\uba74 \uc544\ub798\uc640 \uac19\ub2e4
\n\ud568\uc218\uc0dd\uc131 -> \ud638\ucd9c\uac1d\uccb4\uc0dd\uc131(\uc0c8\ub85c\uc6b4\uac1d\uccb4) -> \uc0dd\uc131\uacfc\ub3d9\uc2dc \uc720\ud6a8\ubc94\uc704\uccb4\uc778(\uc720\ud6a8\ubc94\uc704\uc9c0\uc815)\ub9e8\uc55e\uc5d0 \uc704\uce58 ->
\n\ud568\uc218\uc5d0 \uc120\uc5b8\ub41c \ub9e4\uac1c\ubcc0\uc218, var\ubb38\uc73c\ub85c \uc120\uc5b8\ub41c \uc9c0\uc5ed\ubcc0\uc218, arguments\uac1d\uccb4(\uc2e4\uc81c\ub860 \uac1d\uccb4\ub97c \uac00\ub974\ud0a4\ub294 \ud504\ub85c\ud37c\ud2f0)\ub97c
\n\ud3ec\ud568\ud558\uac8c\ub428 -> \uc774 \ubaa8\ub4e0\uac83\ub4e4\uc740 \ud568\uc218 \ub0b4 \uc720\ud6a8\ubc94\uc704\uc5d0 \uc788\uac8c\ub428<\/p>\n
\uc790 \uadf8\ub7fc \ud568\uc218\uac00 \uc0dd\uc131\ub418\uba70 argument\uac1d\uccb4\ub97c \uac00\ub974\ud0a4\ub294 \ud504\ub85c\ud37c\ud2f0\ub85c \ucd08\uae30\ud654 \ub41c\ub2e4\ud588\ub294\ub370
\n\ub530\ub77c\uc11c \ud568\uc218\uc758 \ubab8\uccb4\uc548\uc5d4 arguments\ub77c\ub294 \uac1d\uccb4\uac00 \uc874\uc7ac\ud558\uac8c \ub418\ub294\uac83\uc774\ub2e4.
\n\uc5ec\uae30\uc120 \ubc30\uc5f4\ub85c \ubcf4\uaca0\ub2e4.<\/p>\n
\ud568\uc218\ub3c4 \uc77c\uc885\uc758 \ubc30\uc5f4\uc774\uc9c0\ub9cc, \uac1d\uccb4\ub85c \uc811\uadfc\ud558\ub294\uac8c \ub354\uc6b1 \ubc14\ub78c\uc9c1\ud558\ub2e4. \ub530\ub77c\uc11c \ud568\uc218\uc5d4 \ud504\ub85c\ud37c\ud2f0\uc640 \uba54\uc11c\ub4dc\uac00 \uc874\uc7ac\ud558\uac8c \ub41c\ub2e4.
\narguments\ubc30\uc5f4\ub85c \uc811\uadfc\ud560\uc218 \uc788\ub294 \ub300\ud45c\uc801\uc778 \ud504\ub85c\ud37c\ud2f0\uac00 \uba87\uac00\uc9c0 \uc788\ub294\ub370 \uc5ec\ub7ec\ubd84\uc774 \uc790\uc8fc\uc0ac\uc6a9\ud558\ub294 length\ud504\ub85c\ud37c\ud2f0\uc640
\n\ub9ce\uc774 \uad81\uae08\ud574\ud558\ub294 callee\ud504\ub85c\ud37c\ud2f0\uc774\ub2e4.
\n\/\/\uc544\ub798\ub294arguments\ubc30\uc5f4\uc744 \ud65c\uc6a9\ud55c \uac04\ub2e8\ud55c \uc608\uc81c\uc774\ub2e4.
\n\/\/arguments\uc758 \uae38\uc774\ub97c \uacc4\uc0b0\ud558\uc5ec \ubc18\ubcf5\ubb38\uc73c\ub85c \ud558\ub098\uc758 \ubb38\uc790\uc5f4\ub85c \uce58\ud658\ud558\ub294 \ud568\uc218\uc774\ub2e4.
\nfunction argsValueCheck(a,b,c,d) {
\n\tvar name = null;
\n\tvar argLength = arguments.length;
\n\tfor(i=0;i<argLength;i++){
\n\t\t\/\/console.log(arguments[i]);
\n\t\tif(i !== argLength-1){
\n\t\t\tname += arguments[i]+"\uc640";
\n\t\t} else {
\n\t\t\tname += arguments[i]+"\uac00 \uc788\uc2b5\ub2c8\ub2e4.";
\n\t\t}
\n\t}
\n\t\/\/console.log(name);
\n\treturn name;
\n}console.log(argsValueCheck('uyeong','youngsu','minsu','haha'));<\/p>\n
\/\/\uc5ec\uae30\uc11c \uc0ac\uc6a9\ud558\ub294 console.log\ub294 \ud30c\ud3ed \ub610\ub294 \ud06c\ub86c\uc758 \ud06c\ub86c\ucc3d\uc5d0\uc11c \ubcfc\uc218\uc788\ub2e4.
\n\/\/document.write\uc640 alert\ubcf4\ub2e4 \ud3b8\ud558\uba70, \ub514\ubc84\uae45\uc2dc \uc720\uc6a9\ud558\ub2e4.
\nfunction args(x,y,x) {
\n\tconsole.log(arguments);\t\t\t\/\/\uc804\ub2ec\uc778\uc790\uc758 \ub370\uc774\ud130
\n\tconsole.log(arguments.length);\t\/\/\uc804\ub2ec\uc778\uc790\uc758 \ubc30\uc5f4\uae38\uc774
\n\tconsole.log(arguments.callee.length); \/\/\ud568\uc218\uac00 \uc560\ucd08\uc5d0 \uae30\ub300\ud558\ub294 \uc804\ub2ec\uc778\uc790 \ubc30\uc5f4\uae38\uc774
\n}args(1,2);\t\/\/\ud568\uc218\ud638\ucd9c
\n\uc544\ub798\uc640 \uac19\uc774 \ud65c\uc6a9\ud560\uc218\uc788\ub2e4.
\n\uc5ec\uae30\uc11c \uac00\uc815\uc744\ud558\uc790 3\uac1c\uc758 \uc804\ub2ec\uc778\uc790(arguments)\ub97c \ubc1b\ub294 function\uc774 \uc788\ub2e4.
\n\uc774 function\uc740 \uaf2d 3\uac1c\uc758 \uc778\uc790\ub97c \ubc1b\uc544\uc57c\ub9cc\ud55c\ub2e4. \ub9cc\uc57d 3\uac1c\uc758 \uc804\ub2ec\uc778\uc790\ub97c \ubc1b\uc9c0 \uc54a\uc73c\uba74 \ub370\uc774\ud130\uc758 \uc815\ud655\uc131\uc774
\n\uae68\uc9c4\ub2e4\uace0 \ud560\ub54c, \uc804\ub2ec\uc778\uc790\ub97c \ubc1b\uc740 \uae38\uc774\uc640 \uc560\ucd08 \ud568\uc218\uac00 \uae30\ub300\ud558\ub294 \uc804\ub2ec\uc778\uc790\ub97c \ube44\uad50\ud560\uc218\uc788\ub2e4.
\n\/\/\uc804\ub2ec\uc778\uc790\ub97c \uccb4\ud06c\ud558\ub294 \ud568\uc218.
\nfunction argCheck(args){
\n\tvar argActual = args.length;\t\t\/\/\ub118\uc5b4\uc628 \uc804\ub2ec\uc778\uc790
\n\tvar argExpact = args.callee.length;\t\/\/\ud568\uc218\uac00\uae30\ub300\ud558\ub294 \uc804\ub2ec\uc778\uc790
\n\t\/\/\ub118\uc5b4\uc628 \uc804\ub2ec\uc778\uc790\uc640 \uc560\ucd08\uc5d0 \uae30\ub300\ud558\ub294 \uc804\ub2ec\uc778\uc790\uc758 \uac2f\uc218\uac00 \ud2c0\ub9ac\uba74
\n\tif(argActual != argExpact) {
\n\t\talert("\uc804\ub2ec\uc778\uc790\uc758 \uac2f\uc218\uac00 \ub9de\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.");
\n\t\tthrow new Error("\uae30\ub300\ud558\ub294 \uc804\ub2ec\uc778\uc790 : "+argExpact+"\uc774\uba70 \ub118\uc5b4\uc628 \uc804\ub2ec\uc778\uc790\ub294 : "+argActual+"\uc785\ub2c8\ub2e4.");
\n\t}
\n}<\/p>\n
\/\/3\uac00\uc9c0 \uc804\ub2ec\uc778\uc790\ub97c \ub354\ud558\ub294 \ud568\uc218
\nfunction argsAdd(a, b, c) {
\n\targCheck(arguments);
\n\treturn a+b+c;
\n}<\/p>\n
alert(argsAdd(1,2,3));\t\/\/6\uc744 \ubc18\ud658
\nalert(argsAdd(2,3));\t\/\/throw\ub97c \ubc1c\uc0dd\uc2dc\ud0b4
\n\uc704\uc758 \ud568\uc218\ucc98\ub7fc \uc0ac\uc6a9\uac00\ub2a5\ud558\uc9c0\ub9cc callee\ub97c \uc774\uc6a9\ud558\uc5ec \ud074\ub85c\uc800\uc758 \uae30\ub2a5 \ucc98\ub7fc\uc0ac\uc6a9\ud560\uc218\uc788\ub2e4.
\n\ud558\uc9c0\ub9cc \uc644\ubcbd\ud55c \ud074\ub85c\uc800\uc758 \uae30\ub2a5\uc774 \uc544\ub2d8\uc744 \uc8fc\uc758\ud558\uc5ec\uc57c\ud55c\ub2e4.
\n\/\/\uc77c\ub2e8 \uc544\ub798\uc758 \ud568\uc218\ub97c \uba3c\uc800 \ubcf4\uaca0\ub2e4. \uc804\uc5ed\ubcc0\uc218\ub97c \uce74\uc6b4\ud2b8\ubcc0\uc218\ub97c +1\ud574\uc8fc\ub290 \ud568\uc218\uc774\ub2e4.
\nvar count = 0;
\nfunction countUp() {
\n\treturn count++;
\n}
\nconsole.log(countUp());
\nconsole.log(countUp());
\n\uc800\uc704\uc758 \ud568\uc218\ub97c \uc0ac\uc6a9\ud560\uacbd\uc6b0 \uc804\uc5ed\ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub97c \uc624\uc5fc\uc2dc\ud0a4\uac8c \ub41c\ub2e4.
\n\ubb34\uc2a8\ub9d0\uc774\ub0d0 \ud558\uba74, count\ub77c\ub294 \uc804\uc5ed\ubcc0\uc218\ub294 \ud504\ub85c\uadf8\ub7a8\ub0b4\uc5d0\uc11c \uc5b8\uc81c \uc5b4\ub290\ub54c\uace0 \uc0dd\uc131\ud560\uc218 \uc788\ub294\ubcc0\uc218\uc774\ubbc0\ub85c
\n\ub2e8\uc21c\ud788 +1\ud574\uc8fc\ub294 \ubcc0\uc218\ub85c \uc804\uc5ed\ubcc0\uc218\ub85c \uc0ac\uc6a9\ud560\uacbd\uc6b0 \ud6c4\uc5d0 \ub2e4\ub978\ud504\ub85c\uadf8\ub798\uba38\ub098, \ud504\ub85c\uadf8\ub7a8\uc774 \ubcf5\uc7a1\ud574\uc838
\n\ub3d9\uc77c\ud55c \uc804\uc5ed\ubcc0\uc218\ub97c \uc120\uc5b8\ud560\uc2dc countUp()\ud568\uc218\ub294 \uc2e0\ub8b0\uc131\uc744 \uc783\uac8c\ub41c\ub2e4.<\/p>\n
\uc704\uc758 \ud568\uc218\ucc98\ub7fc \uc804\uc5ed\ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub97c \uc5b4\uc9c0\ub7fd\ud788\ub294\ub300\uc2e0 \ud568\uc218\ub97c \uc0dd\uc131\ud560\ub54c \uc0c8\ub85c\uc774 \uc0dd\uc131\ub418\ub294 \ud638\ucd9c\uac1d\uccb4\uc758
\n\uc784\uc2dc\ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub97c \ud65c\uc6a9\ud558\uc5ec \ub2e4\uc74c\uacfc\uac19\uc774 \uc791\uc131\uc774 \uac00\ub2a5\ud558\ub2e4.
\n\ud638\ucd9c\uac1d\uccb4\uc758 \uc0c8\ub85c\uc6b4 \ud504\ub85c\ud37c\ud2f0\ub97c \uc0dd\uc131\ud568\uc73c\ub85c\uc368 \ud65c\uc6a9\ud55c\ub2e4.
\nfunction countUp2(){
\n\tif(!arguments.callee.count) arguments.callee.count = 0;
\n\treturn arguments.callee.count++;
\n}
\nconsole.log(countUp2());
\nconsole.log(countUp2());
\n\ud558\uc9c0\ub9cc \uc800\uc704 \ubc29\ubc95\uc740 \ucea1\uc290\ud654\uac00 \ubd88\uac00\ub2a5\ud558\ub2e4. \uc989 \uc5b4\ub290\uc5b4\ub290\ub54c\uace0 \ud574\ub2f9\ud504\ub85c\ud37c\ud2f0\uc5d0 \uc811\uadfc\ud558\uc5ec \ucd08\uae30\ud654\ub97c\ud560\uc218 \uc788\uc73c\ubbc0\ub85c
\n\uc815\ud655\uc131\uc774 \uae68\uc9c0\uac8c \ub41c\ub2e4.
\nconsole.log(countUp2());\/\/\ud638\ucd9c\uac1d\uccb4\uc758 \uc784\uc2dc\ub124\uc784\uc2a4\ud398\uc774\uc2a4 count\ud504\ub85c\ud37c\ud2f0\uc5d0 \uc811\uadfc\ud558\uc5ec \uac12\uc744\uac00\uc838\uc634<\/p>\n
\/\/\ud568\uc218\ub97c \uac1d\uccb4\ub85c \ubcf4\uba74 count\ub294 \ud504\ub85c\ud37c\ud2f0\uc774\ubbc0\ub85c \ub2e4\uc74c\uacfc\uac19\uc774 \uc811\uadfc\ud558\uc5ec \ucd08\uae30\ud654\uac00 \uac00\ub2a5\ud558\ub2e4.
\ncountUp2.count = 0;
\nconsole.log(countUp2());\/\/3\uc774 \uc544\ub2cc 0\uc774 \ucd9c\ub825\ub41c\ub2e4.
\n\uc704\uc640 \uac19\uc740 \ubb38\uc81c\ub85c private\uc758 \uae30\ub2a5\uc744 \ud749\ub0b4\ub0b4\uae30\uc704\ud574 \ud074\ub85c\uc800\ub97c \uc0ac\uc6a9\ud55c\ub2e4.
\n\ud074\ub85c\uc800\ub294 \ud568\uc218\ub0b4\uc5d0 \uc775\uba85\ud568\uc218\ub97c \uc120\uc5b8\ud558\uc5ec \ud574\ub2f9\ud568\uc218\ub97c \ud1b5\ud574\uc11c\ub9cc \uc775\uba85\ud568\uc218\uc5d0 \uc811\uadfc\ud560\uc218 \uc788\uac8c\ud558\ub294\uae30\ubc95\uc73c\ub85c
\n\ucea1\uc290\ud654\uac00 \uac00\ub2a5\ud558\ub2e4. \ud074\ub85c\uc800\uc640 \uc911\ub2e8\uc810\uc744 \ud65c\uc6a9\ud55c \ud074\ub85c\uc800\ub294 \ub2e4\uc74c\uc5d0 \uc124\uba85\ud558\uae30\ub85c \ud558\uaca0\ub2e4.<\/p>\n
\ub05d\uc73c\ub85c \uc5b4\ub835\uc9c0 \uc54a\uc9c0\ub9cc \uadf8 \ub0b4\ubd80\uc758 \uc18d\uc131\uae4c\uc9c0 \uc774\ud574\ud558\ub824\uba74 \uc880 \uc2dc\uac04\uc744 \ud22c\uc790\ud574\uc57c\ud560\ub4ef\ud558\ub2e4.
\n\ub2e8\uc21c\ud788 arguments.length\ub294 \uae38\uc774, callee\ub294 \uc560\ucd08\uc5d0 \uae30\ub300\ud558\ub294 arguments \ub77c\uace0 \ud558\uba74 \ub05d\uc774\uc9c0\ub9cc
\n\ud074\ub85c\uc800 \uae30\ubc95\uacfc, \uace0\uae09\uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ud504\ub85c\uadf8\ub798\uba38\uac00 \ub418\ub824\ud55c\ub2e4\uba74 \uc2ec\uce35\uc801\uc778\ubd80\ubd84\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc744\uae4c?<\/p>\n
\ucd9c\ucc98 : http:\/\/uyeong.tistory.com\/199<\/p>\n","protected":false},"excerpt":{"rendered":"
arguments\ubc30\uc5f4\uacfc arguments.callee \ud568\uc218\ub97c \uc0dd\uc131\ud558\uac8c \ub418\uba74, \ud638\ucd9c\uac1d\uccb4\ub77c \ud558\ub294 \uc0c8\ub85c\uc6b4 \uac1d\uccb4\uac00 \uc0dd\uc131\ub41c\ub2e4. \uc0dd\uc131\ub428\uacfc \ub3d9\uc2dc\uc5d0 \uc720\ud6a8\ubc94\uc704\uccb4\uc778 \ub9e8\uc55e\uc5d0 \ucd94\uac00\ub418\ub294\ub370 \uc774 \uc720\ud6a8\ubc94\uc704\uccb4\uc778\uc740 \ub9d0\uc740 \uc5b4\ub835\uc9c0\ub9cc \uc27d\uac8c \uc54c\uc218\uc788\ub2e4. \uc804\uc5ed\ubcc0\uc218, \uc9c0\uc5ed\ubcc0\uc218, \ud568\uc218\uc758 \uc720\ud6a8\ud55c \uad6c\uc5ed\uc744 \uad00\ud560\ud558\ub294\uac83\uc774 \uc720\ud6a8\ubc94\uc704\uccb4\uc778\uc774\ub77c \ubcfc\uc218\uc788\ub2e4. \ud568\uc218\uac00… <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/posts\/394"}],"collection":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=394"}],"version-history":[{"count":0,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/posts\/394\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}