javascript - How to make a custom function automatically execute when loading in vuejs

Question

For example, if a method is defined in a component:

export default {
  methods: {
    changeIcon () {}
  }
}

How to make the changeIcon function execute automatically?

Answer 1

export default {
    //这里可以用created或mounted
    mounted() {
        this.changeIcon()
    },
    methods: {
        changeIcon () {}
    }
}

Answer 2

Just call it once in the vue life cycle beforeCreate or Create!
Attached is also a vue life cycle example.