Vue.js
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Child 偵測 Parent 數值變化方法
computed in child
watcher in child
- 缺點
- 如果對象是 property, 需要 immediate: true
- 如果對象是物件, 需要 deep: true, 但是效能會大幅下降
watcher: {
foo: {
handler: (newVal, oldVal) {
// ...
},
immediate: true,
deep: true
}
}