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能冒泡的事件

每个 event 都有一个event.bubbles属性,可以知道它可否冒泡。(ref:W3定义的Event Interface)

当然 W3 DOM Level 3 Events 的细则里已经附上这个表格了:

Event Type Bubbling phase
abort
beforeinput
blur
click
compositionstart
compositionupdate
compositionend
dblclick
error
focus
focusin
focusout
input
keydown
keyup
load
mousedown
mouseenter
mouseleave
mousemove
mouseout
mouseover
mouseup
resize
scroll
select
unload
wheel

还附上了 Legacy Events(旧浏览器支持的非标准遗留事件)的 bubble 属性。

Event Type Bubbling phase
DOMActivate
DOMAttrModified
DOMCharacterDataModified
DOMFocusIn
DOMFocusOut
DOMNodeInserted
DOMNodeInsertedIntoDocument
DOMNodeRemoved
DOMNodeRemovedFromDocument
DOMSubtreeModified
keypress

H5 还定义了一些新事件:

  • media相关事件,都不冒泡
  • drag相关事件 dragstartdragdragenterdragexitdragleavedragoverdropdragend均冒泡
  • History相关事件popstatehashchange冒泡(从window开始……所以意义在哪里),pagetransition不冒泡

还有很多H5新事件,大多在草案阶段,就不一一翻开了。

此外,这里还有一个关于IE的事件列表,http://www.feiesoft.com/html/events.html

事件冒泡是我们实现事件代理(委托)的关键,在avalon1.6中,默认让能冒泡的事件都使用事件代理实现了!

var canBubbleUp = {
    click: true,
    dblclick: true,
    keydown: true,
    keypress: true,
    keyup: true,
    mousedown: true,
    mousemove: true,
    mouseup: true,
    mouseover: true,
    mouseout: true,
    wheel: true,
    mousewheel: true,
    input: true,
    change: true,
    beforeinput: true,
    compositionstart: true,
    compositionupdate: true,
    compositionend: true,
    select: true,
    cut: true,
    paste:true,
    focusin: true,
    focusout: true,
    DOMFocusIn: true,
    DOMFocusOut: true,
    DOMActivate: true,
    dragend:true,
    datasetchanged:true
}
if (!W3C) {
    delete canBubbleUp.change
    delete canBubbleUp.select
}
//....

posted on 2015-12-27 17:36  司徒正美  阅读(15890)  评论(0编辑  收藏  举报