What does vue $on mean?

"$on" in vue refers to a method, with syntax such as "Event.$on('msg',function(msg){...}", where the first parameter is the name of the data , corresponding to the name when sending, the second parameter is a method to operate on the data.

The operating environment of this tutorial: Windows7 system, vue2. Version 0, Dell G3 computer.

Recommendation: "vue tutorial"

$emit and $on

　　var Event = new Vue();　　　　　　 相当于又new了一个vue实例，Event中含有vue的全部方法； 　　Event.$emit('msg',this.msg);　　　 发送数据，第一个参数是发送数据的名称，接收时还用这个名字接收，第二个参数是这个数据现在的位置； 　　Event.$on('msg',function(msg){　　 接收数据，第一个参数是数据的名字，与发送时的名字对应，第二个参数是一个方法，要对数据的操作 　　　　/这里是对数据的操作 　　})

Example:

Rendering:

The above is the detailed content of What does vue $on mean?. For more information, please follow other related articles on the PHP Chinese website!