vue this.$emit('update:models')
时间: 2023-08-19 07:13:41 浏览: 100
回答: 在Vue中,可以使用`$emit`方法来触发自定义事件,并通过`v-model`来实现父子组件之间的数据传递。在你提供的代码中,`this.$emit('update:models')`是一个触发名为`update:models`的自定义事件的示例。这个事件可以在父组件中监听,并在触发时执行相应的操作。具体的实现方式取决于你的代码结构和需求。如果你想在父组件中监听`update:models`事件,可以使用`@update:models`来绑定事件监听器,并在事件触发时执行相应的操作。
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相关问题
this.$emit update
This code snippet is using Vue.js, a popular JavaScript framework for building user interfaces. The `$emit` method is used to emit an event from a child component to its parent component. In this case, the parent component is listening for the `update` event and will execute the corresponding code when it receives the event.
Here's an example of how you might use this code in a Vue.js component:
```javascript
// Child component
this.$emit('update');
```
And in the parent component, you would listen for the `update` event and handle it accordingly:
```javascript
// Parent component
<template>
<div>
<!-- Your template code here -->
</div>
</template>
<script>
export default {
mounted() {
this.$on('update', () => {
// Code to execute when the update event is received
console.log('Update event received');
});
},
};
</script>
```
this.$emit("update:
this.$emit("update:prop", val)是Vue.js中的一个自定义事件,用于在子组件内部更新父组件的属性值。当子组件需要更新父组件的属性值时,可以通过触发这个事件来实现。在父组件中,可以通过监听这个事件来更新自己的属性值。这个事件通常与.sync修饰符一起使用,以便更方便地实现双向数据绑定。
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