fix: 修复事件调用 preventDefault 后 defaultPrevented 值不存在的问题 #10839
Merged
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这个 PR 做了什么? (简要描述所做更改)
修复事件回调中调用
preventDefault
后defaultPrevented
值不存在的问题。事件处理中模拟了
preventDefault
方法,但实现仅仅是一个空方法,在此基础上增加了对defaultPrevented
的模拟,让其更符合规范。虽然实质上不会发生什么(小程序还不支持默认行为的阻止),但自定义组件的封装能基于defaultPrevented
来决定自定义默认行为的调用。这个 PR 是什么类型? (至少选择一个)
这个 PR 涉及以下平台: