\ucd5c\uadfc JS\uc758 class\uc5d0\uc11c private \uc811\uadfc\uc790\ub97c \uc9c0\uc6d0\ud55c\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\uc804\uc5d0\ub294 \ubc11\uc904(_)\ub85c \uc2dc\uc791\ud558\ub294 \ud544\ub4dc\uc640 \ub9e4\uc11c\ub4dc\uac00 private\ub77c\ub294 \uac15\uc81c\uc131\uc774 \uc5c6\ub294 \ubc29\uc2dd\uc73c\ub85c \ud574\uc654\ub294\ub370\uc694. \uc544\ub798\ub294 #width\uc640 #height \ud544\ub4dc \uadf8\ub9ac\uace0 #getArea \ub9e4\uc11c\ub4dc\uac00 private \uc811\uadfc\uc790\uc758 \uc131\uaca9\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\nclass Rectangle {\r\n #width = 10;\r\n #height = 10;\r\n\r\n constructor(height, width) {\r\n this.#width = width;\r\n this.#height = height;\r\n }\r\n\r\n #getArea() {\r\n return this.#width * this.#height;\r\n }\r\n\r\n get area() {\r\n return this.#getArea();\r\n }\r\n}\r\n<\/pre>\n\uc774\uc81c \uc544\ub798\uc758 \ucf54\ub4dc\ub294 \uc5d0\ub7ec\uc785\ub2c8\ub2e4.<\/p>\n
\r\nconst rec = new Rectangle(10, 10);\r\nconsole.log(rec.#width);\r\n<\/pre>\n\uc5d0\ub7ec\uc758 \ub0b4\uc6a9\ub3c4 \uba85\ud655\ud788 “Private field ‘#width’ …”\ub77c\uace0 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uadf8\ub7ec\ub098 Rectangle\uc5d0 width\ub77c\ub294 \ud544\ub4dc\ub97c \ucd94\uac00\ud560 \uc218 \uc788\ub294\ub370, \uc774 width\ub294 public\uc785\ub2c8\ub2e4. #width\uc640\ub294 \ubcc4\uac1c\uc774\uad6c\uc694. \ud63c\ub780\uc2a4\ub7fd\uc2b5\ub2c8\ub2e4. \uac8c\ub2e4\uac00 \uc544\uc9c1 protected \uc811\uadfc\uc790\ub294 \uc81c\uacf5\ud558\uc9c0\ub3c4 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc6f9\uc5d0\uc11c\uc758 \uac1d\uccb4\uc9c0\ud5a5\uc801 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \uc704\ud574\uc11c\ub294 \uc544\uc9c1\uae4c\uc9c0 TypeScript\uac00 \uac15\ub825\ud55c \ub300\uc548\uc73c\ub85c \uc0dd\uac01\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
\ucd5c\uadfc JS\uc758 class\uc5d0\uc11c private \uc811\uadfc\uc790\ub97c \uc9c0\uc6d0\ud55c\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\uc804\uc5d0\ub294 \ubc11\uc904(_)\ub85c \uc2dc\uc791\ud558\ub294 \ud544\ub4dc\uc640 \ub9e4\uc11c\ub4dc\uac00 private\ub77c\ub294 \uac15\uc81c\uc131\uc774 \uc5c6\ub294 \ubc29\uc2dd\uc73c\ub85c \ud574\uc654\ub294\ub370\uc694. \uc544\ub798\ub294 #width\uc640 #height \ud544\ub4dc \uadf8\ub9ac\uace0 #getArea \ub9e4\uc11c\ub4dc\uac00 private \uc811\uadfc\uc790\uc758 \uc131\uaca9\uc744 \uac16\uc2b5\ub2c8\ub2e4. class Rectangle { #width = 10; #height = 10; constructor(height, width) { this.#width = width; this.#height = height; } #getArea() { return this.#width * this.#height; … <\/p>\n