focusout

当元素即将失去焦点时，focusout 事件被触发。focusout 事件和 blur 事件之间的主要区别在于后者不会冒泡。

基本信息

Specification: DOM L3
Interface: FocusEvent
Bubbles: Yes
Cancelable: No
Target: Element
Default Action: None.

属性

Property	Type	Description
`target` 只读	`EventTarget`	Event target losing focus.
`type` 只读	`DOMString`	The type of event.
`bubbles` 只读	`Boolean`	Whether the event normally bubbles or not.
`cancelable` 只读	`Boolean`	Whether the event is cancellable or not.
`relatedTarget` 只读	`EventTarget` (DOM element)	Event target receiving focus.

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Desktop
Mobile

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	(Yes)	(Yes)	52 (52)	(Yes)	(Yes)	(Yes)

Feature	Android	Edge	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	(Yes)	(Yes)	52.0 (52)	(Yes)	?	(Yes)

基本信息

属性

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