FocusEvent

这是一个实验中的功能
此功能某些浏览器尚在开发中,请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订,所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

FocusEvent 接口表示和焦点相关的事件比如 focus, blur, focusin, 和 focusout

构造器

FocusEvent()
使用给定的参数去创建FocusEvent事件。

属性

Inherits properties from its parent UIEvent, and indirectly from Event.

FocusEvent.relatedTarget 只读
Is an EventTarget representing a secondary target for this event. As in some cases (like when tabbing in or out a page), this property may be set to null for security reasons.

方法

No specific method; inherits methods from its parent UIEvent, and indirectly from Event.

Specifications

Specification Status Comment
Document Object Model (DOM) Level 3 Events Specification
FocusEvent
Working Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 24.0 (24.0) 9.0 (Yes) (Yes)
Constructor (Yes) 24.0 (24.0) 未实现 (Yes) (Yes)
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) 24.0 (24.0) (Yes) (Yes) (Yes)
Constructor (Yes) 24.0 (24.0) 未实现 (Yes) (Yes)

See also

  • The Event base interface.

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