vue的实例属性$options

export default {
    name: "Test",
    data() {
        return {
        };
    },
    //在data外面定义的属性和方法通过$options可以获取和调用
    name: "zs",
    age: 12,
    haha() {
        console.log("haha");
    },
    created() {  
        console.log(this.$options.name);  // zs
        console.log(this.$options.age);  //12
        this.$options.haha();  // haha
    },
}