๐Ÿ”จ Development

    [ CSS ] CSS ๋ชจ๋ฐ”์ผ Transition ๊ฐœ์„ 

    # Reference aproid blog - CSS Transition ์„ฑ๋Šฅ ์ตœ์ ํ™” by aproid https://aproid.github.io/2019/03/21/transition-optimize/ CSS Transition ์„ฑ๋Šฅ ์ตœ์ ํ™” — Aproid CSS3์˜ ๊ฐ•๋ ฅํ•œ ๊ธฐ๋Šฅ์ค‘ ํ•˜๋‚˜์ธ Transition, ํ•˜์ง€๋งŒ ๋Œ€๋ถ€๋ถ„์˜ ๊ฐœ๋ฐœ์ž๋Š” Transition ์‚ฌ์šฉ์˜ ์ฃผ์˜์ ์„ ์•Œ์ง€ ๋ชปํ•˜๊ณ  ์‚ฌ์šฉํ•˜์—ฌ ๋ชจ๋ฐ”์ผ๊ฐ™์€ ์„ฑ๋Šฅ์ด ์ข‹์ง€ ๋ชปํ•œ ๊ธฐ๊ธฐ์—์„œ ๋ถ€๋“œ๋Ÿฌ์šด ํšจ๊ณผ๋ฅผ ๋ณด์ง€ ๋ชปํ•˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ์ž aproid.github.io yceffort blog - CSS ์„ฑ๋Šฅ ํ–ฅ์ƒ์‹œํ‚ค๊ธฐ https://yceffort.kr/2021/03/improve-css-performance#css%EB%8A%94-%EC%96%B4%EB%96%BB%EA%..

    [ JS ] ๋ฌธ์ž์—ด๋‚ด์˜ ํŠน์ • ๋ฌธ์ž์—ด ๋ชจ๋‘ ๋Œ€์น˜ํ•˜๊ธฐ

    0. ๊ฐœ์š” js๋กœ ํ”„๋กœ์ ํŠธ ์ง„ํ–‰ ์ค‘ ์ตœ๊ทผ์— ์ƒˆ๋กญ๊ฒŒ ์—…๋ฐ์ดํŠธ๋œ ๋ฌธ์ž์—ด ๋ฉ”์„œ๋“œ๋ฅผ ๊ณต๋ถ€ํ•˜๊ณ  ์ ์šฉํ•˜๊ณ ์ž ์ด ๊ธ€์„ ์ž‘์„ฑํ•จ 1. ํ•™์Šต๋ชฉ์  ๋ฌธ์ž์—ด์—์„œ ํŠน์ • ๋ฌธ์ž์—ด์„ ๋ชจ๋‘ ๋Œ€์น˜ํ•˜๋Š” ๋‹ค์–‘ํ•œ ๋ฉ”์„œ๋“œ ํ™•์ธ ์‹ค์ „์—์„œ ํ™œ์šฉ ๊ฐ€๋Šฅํ•œ ๋‹ค์–‘ํ•œ ๋ฌธ์ž์—ด ์น˜ํ™˜๋ฒ• ํ•™์Šต 2. ํ•™์Šต๋‚ด์šฉ js์—๋Š” prototype์„ ํ†ตํ•ด ์ง€์ •๋œ ๋‹ค์–‘ํ•œ ๋ฉ”์„œ๋“œ๋“ค์ด ์กด์žฌํ•ฉ๋‹ˆ๋‹ค. ์ด ๋ฉ”์„œ๋“œ๋ฅผ ํ†ตํ•ด ์–ด๋ ต๊ฒŒ ๊ตฌ์„ฑํ•ด์•ผ ํ•  ์ฝ”๋“œ๋“ค์„ ๊ฐ„๋‹จํ•˜๊ฒŒ ๋งŒ๋“ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋งŒ์•ฝ ๋ฌธ์ž์—ด์—์„œ ํŠน์ • ๋ฌธ์ž๋ฅผ ์ฐพ๊ณ ์ž ํ•œ๋‹ค๋ฉด, ์šฐ๋ฆฐ ๋‹จ์ˆœํžˆ indexOf ๋ผ๋Š” ๋ฉ”์„œ๋“œ๋ฅผ ํ†ตํ•ด ๋ฌธ์ž ๋‚ด ํŠน์ • ๋ฌธ์ž์˜ ์œ„์น˜๋ฅผ ์‰ฝ๊ฒŒ ์ฐพ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. "abcdefg".indexOf(c) // 2 ํ•˜์ง€๋งŒ indexOf ๋ฉ”์„œ๋“œ๊ฐ€ ์—†๋‹ค๋ฉด? function findIndexOfChar ( base_string, characte..

    [ API ] ํ”„๋กœ์ ํŠธ API ๋ฌธ์„œํ™” DEVLOG

    # Reference LINE Engineering - ๋ฌธ์„œ ์—”์ง€๋‹ˆ์–ด๋ง๊ณผ API ๋ฌธ์„œํ™” by ์ „์ •์€ https://engineering.linecorp.com/ko/blog/document-engineering-api-documentation/ ๋ฌธ์„œ ์—”์ง€๋‹ˆ์–ด๋ง๊ณผ API ๋ฌธ์„œํ™” - LINE ENGINEERING ํ…Œํฌ๋‹ˆ์ปฌ ๋ผ์ดํ„ฐ(technical writer)๋ผ๋Š” ๋ง์„ ๋“ค์œผ๋ฉด ๋Œ€๋ถ€๋ถ„ '๋ผ์ดํ„ฐ'๋ผ๋Š” ๋‹จ์–ด๋งŒ ๋ณด๊ณ  '๊ธ€ ์“ฐ๋Š” ์‚ฌ๋žŒ'์ด๋ผ ์ƒ๊ฐํ•˜๊ธฐ ์‹ญ์ƒ์ž…๋‹ˆ๋‹ค. ๋ฌผ๋ก  ํ‹€๋ฆฐ ๊ฒƒ์€ ์•„๋‹ˆ์ง€๋งŒ, ์‹ค์ƒ ํ‚ค๋ณด๋“œ๋ฅผ ๋‘๋“œ๋ฆฌ๋ฉฐ ๊ธ€ ์“ฐ๋Š” ์ผ์ด ํ…Œ engineering.linecorp.com API ๋ ˆํผ๋Ÿฐ์Šค ๋ฌธ์„œ ์ œ์ž‘ ํŠธ๋ Œ๋“œ ๋ฐ ๋„๊ตฌ ์กฐ์‚ฌ by ์ง€๋‹จ๋กœ๋ณดํŠธ https://jsonobject.tistory.com/355 API ๋ ˆํผ๋Ÿฐ์Šค ๋ฌธ์„œ..

    [ Server ] CSP

    ๋ฐฐ๊ฒฝ์ง€์‹ * HTTP: HyperText Transfer Protocol์˜ ์•ฝ์ž๋กœ, ์ธํ„ฐ๋„ท์—์„œ ์ •๋ณด๋ฅผ ์†ก์ˆ˜์‹ ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ (๊ทœ์•ฝ)์ž…๋‹ˆ๋‹ค. HTML๋ฌธ์„œ ์†ก์ˆ˜์‹ ์— ์ฃผ๋กœ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. * REST API: Repersentational State Trasfer API์˜ ์•ฝ์ž๋กœ, REST๋ผ๋Š” ๊ทœ์น™์— ๋งž์ถฐ ๊ฐœ๋ฐœ ๋ฐ ์ œ๊ณต๋˜๋Š” API๋ฅผ ๋งํ•ฉ๋‹ˆ๋‹ค. * API: Application Programming Interface์˜ ์•ฝ์ž๋กœ, ํŠน์ • ์„œ๋น„์Šค๋‚˜ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์—์„œ ์ž์‹ ๋“ค์˜ ์„œ๋น„์Šค ๋‚ด๋ถ€์˜ ๊ธฐ๋Šฅ๋“ค์„ ์ œ์–ดํ•  ์ˆ˜ ์žˆ๋„๋ก ๋งŒ๋“ค์–ด๋†“์€ ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ๋งํ•ฉ๋‹ˆ๋‹ค. * XSS (Cross Site Scripting): ์›น ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์—์„œ ๊ด€๋ฆฌ์ž๊ฐ€ ์•„๋‹Œ ๊ถŒํ•œ์ด ์—†๋Š” ์‚ฌ์šฉ์ž๊ฐ€ ์›น์‚ฌ์ดํŠธ์— ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‚ฝ์ž…ํ•˜๋Š” ๊ณต๊ฒฉ์„ ๋งํ•ฉ๋‹ˆ๋‹ค. HTML input ..

    [ Server ] CORS

    ๋ฐฐ๊ฒฝ์ง€์‹ * HTTP: HyperText Transfer Protocol์˜ ์•ฝ์ž๋กœ, ์ธํ„ฐ๋„ท์—์„œ ์ •๋ณด๋ฅผ ์†ก์ˆ˜์‹ ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ (๊ทœ์•ฝ)์ž…๋‹ˆ๋‹ค. HTML๋ฌธ์„œ ์†ก์ˆ˜์‹ ์— ์ฃผ๋กœ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. * REST API: Repersentational State Trasfer API์˜ ์•ฝ์ž๋กœ, REST๋ผ๋Š” ๊ทœ์น™์— ๋งž์ถฐ ๊ฐœ๋ฐœ ๋ฐ ์ œ๊ณต๋˜๋Š” API๋ฅผ ๋งํ•ฉ๋‹ˆ๋‹ค. * API: Application Programming Interface์˜ ์•ฝ์ž๋กœ, ํŠน์ • ์„œ๋น„์Šค๋‚˜ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์—์„œ ์ž์‹ ๋“ค์˜ ์„œ๋น„์Šค ๋‚ด๋ถ€์˜ ๊ธฐ๋Šฅ๋“ค์„ ์ œ์–ดํ•  ์ˆ˜ ์žˆ๋„๋ก ๋งŒ๋“ค์–ด๋†“์€ ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ๋งํ•ฉ๋‹ˆ๋‹ค. ๊ต์ฐจ ์ถœ์ฒ˜ ๋ฆฌ์†Œ์Šค ๊ณต์œ  (Cross Origin Resource Sharing) ํ•œ๋งˆ๋””๋กœ "๋‹ค๋ฅธ ์‚ฌ์ดํŠธ์— ์žˆ๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ํ•จ๋ถ€๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๋Š” ์ •์ฑ…"์ž…๋‹ˆ๋‹ค. ์›น์ƒ์— ์กด์žฌํ•˜๋Š” ๋ฐ์ด..