{"id":11433,"date":"2021-07-05T19:36:55","date_gmt":"2021-07-05T10:36:55","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=11433"},"modified":"2021-07-05T19:36:55","modified_gmt":"2021-07-05T10:36:55","slug":"javascript-object-%ec%9d%b4-%eb%86%88%ec%9d%84-%ec%95%8c%ec%95%84%ec%95%bc-%ea%b7%b8-%eb%86%88%ec%9d%84-%ec%9e%a1%eb%8a%94%eb%8b%a4","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=11433","title":{"rendered":"Javascript, Object \uc774 \ub188\uc744 \uc54c\uc544\uc57c \uadf8 \ub188\uc744 \uc7a1\ub294\ub2e4."},"content":{"rendered":"

Javascipt\uc5d0\uc11c Object\ub294 \ubaa8\ub4e0 \uac1d\uccb4\uc758 \uc288\ud37c \ud0c0\uc785(\ucd5c\uc0c1\uc704 \ud0c0\uc785)\uc785\ub2c8\ub2e4. Object\ub97c \ub354 \ub9ce\uc774 \uc54c\uc218\ub85d \uc774 \ub188\uc744 \ud1b5\ud574 \ud30c\uc0dd\ub41c \uadf8 \ub188\ub4e4\uc744 \ub354 \uc798.. \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc740 Object\uc758 \ub0b4\uc6a9\uc911 \uc720\uc6a9\ud55c \uc815\uc801 \ub9e4\uc11c\ub4dc \uba87\uac00\uc9c0\ub97c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n

\uba3c\uc800 \uac1d\uccb4\uc758 \ud0a4(key)\ub9cc\uc744 \ubc30\uc5f4\ub85c \uac00\uc838\uc624\ub294 keys\uc785\ub2c8\ub2e4.<\/p>\n

\r\nconst obj = {\r\n    \"key0\": \"value0\",\r\n    \"key1\": \"value1\",\r\n    \"key2\": \"value2\"\r\n}\r\n\r\nconst keys = Object.keys(obj)\r\nconsole.log(keys) \/\/ [\"key0\", \"key1\", \"key2\"]\r\n<\/pre>\n
\ub2e4\uc74c\uc740 \uac12(Value)\ub9cc\uc744 \ubc30\uc5f4\ub85c \uac00\uc838\uc624\ub294 values\uc785\ub2c8\ub2e4.<\/p>\n
\r\nconst obj = {\r\n    \"key0\": \"value0\",\r\n    \"key1\": \"value1\",\r\n    \"key2\": \"value2\"\r\n}\r\n\r\nconst values = Object.values(obj)\r\nconsole.log(values) \/\/ [\"value0\", \"value1\", \"value2\"]\r\n<\/pre>\n
\uadf8\ub7fc \ud0a4\uc640 \uac12 \ubaa8\ub450\ub97c \ubc30\uc5f4\ub85c \uac00\uc838\uc624\uae30 \uc704\ud574\uc11c\ub294? \ubc14\ub85c entries \uc815\uc801 \ub9e4\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba74 \ub429\ub2c8\ub2e4.<\/p>\n
\r\nconst obj = {\r\n    \"key0\": \"value0\",\r\n    \"key1\": \"value1\",\r\n    \"key2\": \"value2\"\r\n}\r\n\r\nconst entries = Object.entries(obj)\r\nconsole.log(entries)\r\n\/*\r\n[\r\n    [\"key0\", \"value0\"],\r\n    [\"key1\", \"value1\"],\r\n    [\"key2\", \"value2\"]\r\n]\r\n*\/\r\n<\/pre>\n
\uc774\uc81c \ubc18\ub300\ub85c \uc704\uc758 entries \uc815\uc801 \ub9e4\uc11c\ub4dc\ub85c \uac00\uc838\uc628 \uacb0\uacfc\ub97c \ud1b5\ud574 \ub2e4\uc2dc \uc6d0\ub798\uc758 \uac1d\uccb4\ub97c \ub9cc\ub4e4\uace0\uc790 \ud55c\ub2e4\uba74? \ubc14\ub85c fromEntries \uc815\uc801 \ub9e4\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba74 \ub429\ub2c8\ub2e4.<\/p>\n
\r\nconst arr = [\r\n    [\"K1\", \"V1\"], \r\n    [\"K2\", \"V2\"]\r\n];\r\n\r\nconst obj = Object.fromEntries(arr);\r\nconsole.log(obj); \/\/ {K1: \"V1\", K2: \"V2\"}\r\n<\/pre>\n
\ub2e4\uc74c \uc608\uc81c\ub294 \uc9c0\uae08\uae4c\uc9c0\uc640\ub294 \ub2e4\ub978 \ud750\ub984\uc778\ub370\uc694. \uac1d\uccb4\ub97c \ubcf5\uc0ac\ud558\uae30 \uc704\ud55c Javascript \uc801\uc778 \ubc29\ubc95\uc740 \uc5ec\ub7ec\uac00\uc9c0\uac00 \uc788\ub294\ub370\uc694. \uadf8 \uc911 Object\uc758 assign \uc815\uc801 \ub9e4\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc774\uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\nconst a = {}\r\nb = Object.assign(a, obj)\r\nconsole.log(b, a === b, a === obj) \r\n\/\/ {key0: \"value0\", key1: \"value1\", key2: \"value2\"} true false\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
Javascipt\uc5d0\uc11c Object\ub294 \ubaa8\ub4e0 \uac1d\uccb4\uc758 \uc288\ud37c \ud0c0\uc785(\ucd5c\uc0c1\uc704 \ud0c0\uc785)\uc785\ub2c8\ub2e4. Object\ub97c \ub354 \ub9ce\uc774 \uc54c\uc218\ub85d \uc774 \ub188\uc744 \ud1b5\ud574 \ud30c\uc0dd\ub41c \uadf8 \ub188\ub4e4\uc744 \ub354 \uc798.. \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc740 Object\uc758 \ub0b4\uc6a9\uc911 \uc720\uc6a9\ud55c \uc815\uc801 \ub9e4\uc11c\ub4dc \uba87\uac00\uc9c0\ub97c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4. \uba3c\uc800 \uac1d\uccb4\uc758 \ud0a4(key)\ub9cc\uc744 \ubc30\uc5f4\ub85c \uac00\uc838\uc624\ub294 keys\uc785\ub2c8\ub2e4. const obj = { “key0”: “value0”, “key1”: “value1”, “key2”: “value2” } const keys = Object.keys(obj) console.log(keys) \/\/ [“key0”, … <\/p>\n
\ub354 \ubcf4\uae30 “Javascript, Object  \uc774 \ub188\uc744 \uc54c\uc544\uc57c \uadf8 \ub188\uc744 \uc7a1\ub294\ub2e4.”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-11433","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/11433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11433"}],"version-history":[{"count":3,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/11433\/revisions"}],"predecessor-version":[{"id":11436,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/11433\/revisions\/11436"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11433"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}