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function defineReactive (obj, key, val, cb) { let val = val Object.defineProperty(obj, key, { enumerable: true, configurable: true, get: ()=>{ /*....依赖收集等....*/ /*Github:https://github.com/answershuto*/ return val }, set:newVal=> { val = newVal; cb();/*订阅者收到消息的回调*/ } }) }
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搭个车... 想邀请Repo参与者来w3c.group创建项目的对应小组。w3c.group是类似知识星球的社群工具,小组可设置为付费且有赞助功能,同时也是一个区块链主导的创作者社区。这是相关介绍: http://t.cn/Ai1vLcCU http://t.cn/Ai1vLcCG http://t.cn/Ai1vLcCA
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兄嘚,你这个写法有问题吧 应该会报这种错
Uncaught SyntaxError: Identifier 'val' has already been declared
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The text was updated successfully, but these errors were encountered: