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ly525 avatar ly525 commented on July 3, 2024

Note that if you use an arrow function with a computed property, this won’t be the component’s instance

注意，不应该使用箭头函数来定义计算属性函数 (例如 aDouble: () => this.a * 2)。理由是箭头函数绑定了父级作用域的上下文，所以 this 将不会按照期望指向 Vue 实例，this.a 将是 undefined。

https://vuejs.org/v2/api/#computed

from luban-h5.

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