ํ‹ฐ์Šคํ† ๋ฆฌ ๋ทฐ

Javascript

๋ฌธ์ž์—ด ๊ฒฐํ•ฉ | ํ…œํ”Œ๋ฆฟ ๋ฌธ์ž์—ด

๊น€์ฝ”๋ฆฐ๐Ÿ‘ฉ๐Ÿป‍๐Ÿ’ป 2022. 8. 17. 14:25

๋ฌธ์ž์—ด: ๋ฌธ์ž์—ด ๊ฒฐํ•ฉ / ํ…œํ”Œ๋ฆฟ ๋ฌธ์ž์—ด


01. ๋ฌธ์ž์—ด : ๋ฌธ์ž์—ด ๊ฒฐํ•ฉ / ํ…œํ”Œ๋ฆฟ ๋ฌธ์ž์—ด

์ผ๋ฐ˜์ ์œผ๋กœ, ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ์—์„œ "+" ์—ฐ์‚ฐ์ž๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์ž์—ด์„ ํ•ฉ์นœ๋‹ค. ํ…œํ”Œ๋ฆฟ ๋ฌธ์ž์—ด์€ ๋‚ด์žฅ๋œ ํ‘œํ˜„์‹์„ ํ—ˆ์šฉํ•˜๋Š” ๋ฌธ์ž์—ด ๋ฆฌํ„ฐ๋Ÿด(`$`)์ด๋‹ค.

๋ฒˆํ˜ธ ๊ธฐ๋ณธ๊ฐ’ ๋ฉ”์„œ๋“œ ๋ฆฌํ„ด๊ฐ’

//01
const str1 = "์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ";
const str2 = "์ œ์ด์ฟผ๋ฆฌ";

document.querySelector(".sample01_N1").innerHTML = "1";
document.querySelector(".sample01_Q1").innerHTML = "์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ, ์ œ์ด์ฟผ๋ฆฌ";
document.querySelector(".sample01_M1").innerHTML = "๋ฌธ์ž์—ด(string) ๊ฒฐํ•ฉ";
document.querySelector(".sample01_P1").innerHTML = str1 + str2;

//02
const num1 = 100;
const num2 = 200;

document.querySelector(".sample01_N2").innerHTML = "2";
document.querySelector(".sample01_Q2").innerHTML = "100, 200";
document.querySelector(".sample01_M2").innerHTML = "์ˆซ์ž(number) ๊ฒฐํ•ฉ";
document.querySelector(".sample01_P2").innerHTML = num1 + num2;

//03
const text1 = "๋ชจ๋˜";
const text2 = "์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ";
const text3 = "ํ•ต์‹ฌ";

document.querySelector(".sample01_N3").innerHTML = "3";
document.querySelector(".sample01_Q3").innerHTML = "๋ชจ๋˜, ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ, ํ•ต์‹ฌ";
document.querySelector(".sample01_M3").innerHTML = "๋ฌธ์ž์—ด(string) ๊ฒฐํ•ฉ";
document.querySelector(".sample01_P3").innerHTML = "๋‚˜๋Š” " + text1 + "(modern) "+ text2 + "(javascript) " + text3 + "์„ ๋ฐฐ์šฐ๊ณ  ์‹ถ๋‹ค.";

//04
document.querySelector(".sample01_N4").innerHTML = "4";
document.querySelector(".sample01_Q4").innerHTML = "๋ชจ๋˜, ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ, ํ•ต์‹ฌ";
document.querySelector(".sample01_M4").innerHTML = "ํ…œํ”Œ๋ฆฟ ๋ฌธ์ž์—ด";
document.querySelector(".sample01_P4").innerHTML = `๋‚˜๋Š” ${text1}(modern) ${text2}(javascipt) ${text3}์„ ๋ฐฐ์šฐ๊ณ  ์‹ถ๋‹ค.`;

'Javascript' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

trim() | trimStart() | trimEnd()  (2) 2022.08.17
toUpperCase() | toLowerCase()  (2) 2022.08.17
์ •๊ทœ์‹ ํ‘œํ˜„  (7) 2022.08.16
slice() | substring() | substr() - ๋ฉ”์„œ๋“œ  (5) 2022.08.16
indexOf ( ) | lastIndexOf( )  (3) 2022.08.16
๊ณต์ง€์‚ฌํ•ญ