vue 3 composition api watch
// directly watching a ref
const selected = ref(props.selected)
watch(selected, (selection, prevSelection) => {
/* ... */
})vue 3 composition api watch
// directly watching a ref
const selected = ref(props.selected)
watch(selected, (selection, prevSelection) => {
/* ... */
})vue composition api
<template>
<button @click="increment">
Count is: {{ state.count }}, double is: {{ state.double }}
</button>
</template>
<script>
import { reactive, computed } from 'vue'
export default {
setup() {
const state = reactive({
count: 0,
double: computed(() => state.count * 2)
})
function increment() {
state.count++
}
return {
state,
increment
}
}
}
</script>Copyright © 2021 Codeinu
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