onfocus
- 网络聚焦事件;得到焦点;获得焦点时触发
onfocus-
Next , you 'll see how to build a custom component that modifies the onfocus and onblur attributes of every nested component that contains
下面，您将看到如何构建自定义组件，它修改每个包含
-
In this case , the custom component has already added the onfocus and onblur attributes to the nested components during the processing of a previous request .
在这种情况下，自定义组件已经在处理前一个请求期间将onfocus和onblur属性添加到嵌套组件。