小程序observers-阿里云

【功能上新】小程序自定义组件observers正式发布！

“在原有的开发过程中，想要做数据观测，需要在自定义组件的生命周期中加入一些字段，来说明我希望观测哪一个，整个操作比较麻烦，通过自定义组件的observers功能，就可以解决这个问题。”在5月支付宝开发者日上，支付宝开发者日讲师元凛曾经预告过小程序自定义组件的数据变化观测器（observers）功能，...

小程序 observers--组件访问页面钩子

1. 前言小程序组件中这个observers 属性以前也没玩过,今天也来玩下2. 是什么 what组件数据字段监听器，用于监听 properties 和 data 的变化,具体参考数据监听器也就是说页面是没有的,和behaviors 一样数据监听器可以用于监听和响应任何属性和数据字段的变化。...

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