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Correct small bugs in the v-for array refs examples #771

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Jan 2, 2021
Merged

Correct small bugs in the v-for array refs examples #771

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11 changes: 7 additions & 4 deletions src/guide/migration/array-refs.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,9 @@ export default {
},
methods: {
setItemRef(el) {
this.itemRefs.push(el)
if (el) {
this.itemRefs.push(el)
}
}
},
beforeUpdate() {
Expand All @@ -40,13 +42,15 @@ export default {
With Composition API:

```js
import { ref, onBeforeUpdate, onUpdated } from 'vue'
import { onBeforeUpdate, onUpdated } from 'vue'

export default {
setup() {
let itemRefs = []
const setItemRef = el => {
itemRefs.push(el)
if (el) {
itemRefs.push(el)
}
}
onBeforeUpdate(() => {
itemRefs = []
Expand All @@ -55,7 +59,6 @@ export default {
console.log(itemRefs)
})
return {
itemRefs,
setItemRef
}
}
Expand Down