<div id="app"> <input type="text" ref="input1"/> <button @click="add">添加</button> </div>JavaScript代码:
<script>
new Vue({
el: "#app",
methods:{
add:function(){
this.$refs.input1.value ="test"; //this.$refs.input1 减少获取dom节点的消耗
}
}
})
</script>
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