Element

Element ์ธํ„ฐํŽ˜์ด์Šค๋Š” ์†์„ฑ attribute๋ฅผ ์„ค์ •ํ•˜๋Š” ๊ธฐ๋Šฅ ์ง‘ํ•ฉ์ด๋„ค

XML์ด๋ž€

Extensible Markup Language

JSON(ํ…์ŠคํŠธ) ๋‚˜์˜ค๊ธฐ ์ „์—๋Š” XML(๊ฐ์ฒด)๋งŽ์ด ์ด์šฉํ–ˆ์Œ

์ปค์Šคํ…€ ํƒœ๊ทธ๋ฅผ ์ด์šฉํ•  ์ˆ˜ ์žˆ์Œ

์ปค์Šคํ…€ ํƒœ๊ทธ๊ฐ€ ๊ฒน์น  ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ๋„ค์ž„์ŠคํŽ˜์ด์Šค๊ฐ€ ํ•„์š”ํ–ˆ๋‚˜๋ณด๋‹ค (prefix๊ฐ€ ๋‹ค๋ฅด๋ฉด ๋‹ค๋ฅธ ์—˜๋ฆฌ๋จผํŠธ๋กœ ์ธ์‹ํ•จ)

ํƒœ๊ทธ๋„ค์ž„์€ prefix:localName ์ „์ฒด๋ฅผ ๋ณด์—ฌ์คŒ

์†์„ฑ๋„ prefix:์†์„ฑ์ด๋ฆ„="value"

IDL vs content ์†์„ฑ

IDL์ด๋ž€

Interface Definition Language

์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ์˜ ํ”„๋กœํ„ฐํ”ผ๋„ ๋ฐ”์ธ๋”ฉ๋œ ํ˜•ํƒœ

//content ์†์„ฑ ๋ฐ˜ํ™˜ ๋˜๋Š” ๊ฐ’์ด ๋ฌด์กฐ๊ฑด string

const el = document.getElementById("category"); 
const value = el.getAttribute("tabindex"); //์„ค์ •๋œ ์†์„ฑ์ธ tabindex ๊ฐ’์„ ๋‹ด์Œ
el.setAttribute("name", "nickname");
//IDL ์†์„ฑ ๊ฐ’์€ string์ด ์•„๋‹ ์ˆ˜๋„ ์žˆ์Œ

const el = document.getElementById("category");
el.tabIndex = 77; // ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ ํ˜•ํƒœ๋กœ ์ด๋ฆ„์ด ๋ณ€๊ฒฝ๋จ,  category = {id: "", value: ""} ๋ฐ”์ธ๋”ฉ๋จ
 // ์นด๋ฉœ์ผ€์ด์Šค, accessKey, tabIndex ๋˜๋Š” spellcheck, autofocus ๋“ฑ ๋‹ค๋ฆ„
 
 //title์€ ๊ธ€๋กœ๋ฒŒ ์†์„ฑ์ด๊ธฐ ๋•Œ๋ฌธ์— ์„ค์ •ํ•˜์ง€ ์•Š์œผ๋ฉด "" ๋””ํดํŠธ๊ฐ’์ž„ -> ์—˜๋ฆฌ๋จผํŠธ์— ๋”ฐ๋ผ ๋””ํดํŠธ๊ฐ’์ด ๋‹ค๋ฅด๊ธฐ ๋•Œ๋ฌธ์— ๋ญ”์ง€ ์ฐพ์•„๋ด์•ผํ•˜๊ฒ ๋„ค
 const style = el.style["font-size"]; // "" ์•„๋งˆ๋„  ?  ์•„๋งˆ๋„  ์žˆ์ง€๋งŒ ๋””ํดํŠธ ๊ฐ’์ด ๋ฐ˜ํ™˜๋  ๋“ฏ

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