What is the purpose of $emit in Vue.js?
In Vue.js, $emit is used to trigger an event from a child component to its parent, allowing for communication.
Can you give me an example of how to use $emit?
Sure! In a child component, you can use this.$emit('eventName', data) to send data to the parent.
How does the parent component listen for this event?
The parent component listens for the event using the v-on directive, like this: <ChildComponent @eventName='methodName' />.
What if I want to pass multiple arguments?
You can pass multiple arguments by including them in an array: this.$emit('eventName', arg1, arg2). The parent can then access them.
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