Dec 30, 2020 - In Vue3, in addition to the watch method, there's a new `watchEffect` method to track a reactive dependency and run a method when it runs. ... <看更多>

watchEffect vs watch - Vue 3 Composition API ✓ Watch using ref ✓ Get new and previous values of variable ✓ Watch using reactive ✓ Watch multiple... ... <看更多>

According to document descripted below,. Compared to watchEffect, watch allows us to: Perform the side effect lazily;. I not know why it said ... ... <看更多>

Composition API 是Vue 3 的最大特點，為Vue 元件的另一種編寫方式。 ... watchEffect 是Vue 3.x 新增的，比起 watch 它不需要指定監聽資料源，會自動 ... ... <看更多>