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1·Select the onblur event in the list of events on the left side.

左面事件列表中选择onblur事件。

2·The event handlers for the onfocus and onblur events are rendered as shown in Listing 22.

清单 22 显示了为 onfocus 和 onblur 事件呈现事件处理程序的方法。

3·The validates the target control upon losing focus using the onBlur event.

在使用 onBlur 事件失去焦点时验证目标控件。

4·It then calls the jQuery blur method, which binds a function to the onblur event for the username field.

随后调用jQuery blur方法，后者将一个函数绑定到用户名字段的onblur事件。

5·The, and elements use the onblur attribute to validate their values as soon as the keyboard focus is lost.

当丢失键盘焦点时，和元素使用onblur属性来验证它们的值。

6·To do so, bind code to the username field's onblur event, which is triggered when the user's cursor leaves the field.

为此，将代码绑定到用户名字段的onblur事件，该事件将在用户光标离开字段时触发。

7·The onblur attribute of the nested component is also changed to clear the help message when the element loses the keyboard focus.

嵌套组件的onblur属性也发生更改，以在元素丢失键盘焦点时清除帮助消息。

8·When a UI component gains or loses the keyboard focus, it generates events that can be captured through the onfocus and onblur attributes.

当UI组件获得或丢失键盘焦点，它将生成可以通过onfocus和onblur属性捕获的事件。

9·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。

10·Next, you'll see how to build a custom component that modifies the onfocus and onblur attributes of every nested component that contains (see Listing 14).

下面，您将看到如何构建自定义组件，它修改每个包含 的嵌套组件的 onfocus 和 onblur 属性（参见清单 14）。