事件从捕获阶段开始。
第二篇文章重点关注用于适应集群环境的,捕获阶段的扩展。
This second article focuses on extensions to the capture phase that enable you to accommodate a clustered environment.
当一个事件发生时(比如单击或者鼠标划过),捕获阶段就开始了。
When an event occurs (a click or a mouse-over, for example) the capture phase begins.
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