vue ๊ด๋ จ ๋ผ์ด๋ธ๋ฌ๋ฆฌ๋ค์ ์ฌ์ฉํ๋ค๋ณด๋ฉด ๋ณ์.sync ๋ก ์์ฑ๋ ์ฝ๋๋ค์ ์์ฃผ ๋ง๋๋ค. ๊ทธ๋ฅ ๋ผ์ด๋ธ๋ฌ๋ฆฌ ๋ฌธ๋ฒ์ธ๊ฐ ๋ณด๋ค ํ๋๋ฐ vue2->vue3 Migration Guide๋ฅผ ํ์ธํ๋๋ฐ ์ฒซ ๋ฒ์งธ breaking change๊ฐ ๋ค์๊ณผ ๊ฐ๋ค. v-model usage on components has been reworked, replacing v-bind.sync v-bind.sync๋ฅผ v-model์ด ๋์ ํ๋ค๊ณ ํ๋ค. ๋ด์ฉ์ ์ฝ์ด๋ณด์๋ ์ ์ดํด๊ฐ ๋์ง ์์์ ๋ค์ stackoverflow๋ฅผ ์ฐธ๊ณ ํ์๋ค. What is the difference between v-model and .sync when used on a custom component I don't understand the difference ..