<ul id=
"demo"
>
<li v-
for
=
"item in list"
>{{item}}</div>
</ul>
new
Vue({
el:
'#demo'
,
data:{
list=[0,1,2,3,4,5,6,7,8,9,10]
},
methods:{
push:
function
(){
this
.list.push(11);
this
.nextTick(
function
(){
alert(
'数据已经更新'
)
});
this
.$nextTick(
function
(){
alert(
'v-for渲染已经完成'
)
})
}
}})
* `Vue.nextTick(callback)`,当数据发生变化,更新后执行回调。
* `Vue.$nextTick(callback)`,当dom发生变化,更新后执行的回调。
* `Vue.$nextTick(callback)`,当dom发生变化,更新后执行的回调。