window、document、html、body、element的事件属性比较_html/css_WEB-ITnose
在分析jQuery的事件的时候有提到绑定事件的方式:
Dean Edwards的跨浏览器事件绑定使用的方式是
element["on" + type] = handleEvent;
即绑定的事件的前提条件是element.onxxx属性必须存在。
jQuery的绑定方式是使用浏览器的绑定绑定方法
if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle, false );} else if ( elem.attachEvent ) { elem.attachEvent( "on" + type, eventHandle );}
为什么不用Dean Edwards使用的方式来绑定?
原因:
并非所有浏览器支持的事件都有对应的["on" + type]属性。比较典型的例子动画事件
<br /><p>该实例使用了 addEventListener() 方法为 DIV 元素添加"animationstart", "animationiteration" 和 "animationend" 事件。</p><div id="myDIV" >点我开始动画</div><script>var x = document.getElementById("myDIV")//存在onclick属性x.onclick = myFunction;// 使用 JavaScript 开始动画function myFunction() { //x.style.WebkitAnimation = "mymove 4s 2"; // Chrome, Safari 和 Opera 代码 x.style.animation = "mymove 4s 2";}// Chrome, Safari 和 Opera//x.addEventListener("webkitAnimationStart", myStartFunction);//x.addEventListener("webkitAnimationIteration", myIterationFunction);//x.addEventListener("webkitAnimationEnd", myEndFunction);x.addEventListener("<strong>animationstart</strong>", myStartFunction);x.addEventListener("<strong>animationiteration</strong>", myIterationFunction);x.addEventListener("<strong>animationend</strong>", myEndFunction);function myStartFunction() { this.innerHTML = "animationstart 事件触发 - 动画已经开始"; this.style.backgroundColor = "pink";}function myIterationFunction() { this.innerHTML = "animationiteration 事件触发 - 动画重新播放"; this.style.backgroundColor = "lightblue";}function myEndFunction() { this.innerHTML = "animationend 事件触发 - 动画已经完成"; this.style.backgroundColor = "lightgray";}</script>
上面的例子在IE10+、webkit4.0+内核浏览器(chrome、Opera、safari)、Firefox16.0+都能正常运行。但是如果将动画的绑定事件换成
x.onanimationstart = myStartFunction;x.onanimationiteration = myIterationFunction;x.onanimationend = myEndFunction;
三个动画函数没有任何一个能够正常运行。
所以现在明白jQuery为什么使用原生的事件绑定方法了吧。
document.documentElement即html标签的DOM对象
document.body即body标点的DOM对象
以chrome/IE8/IE9/firefox为例,简易的比较一下window、document、html、body、element的onxxx属性
说明:表格中yes表示对象拥有该属性,否则没有
chrome45.0中所有的onxxx属性
on事件 | window | document | html | body | element |
onabort | yes | yes | yes | yes | yes |
onanimationend | yes | ||||
onanimationiteration | yes | ||||
onanimationstart | yes | ||||
onautocomplete | yes | yes | yes | yes | yes |
onautocompleteerror | yes | yes | yes | yes | yes |
onbeforeunload | yes | yes | |||
onbeforecopy | yes | yes | yes | yes | |
onbeforecut | yes | yes | yes | yes | |
onbeforepaste | yes | yes | yes | yes | |
onblur | yes | yes | yes | yes | yes |
oncancel | yes | yes | yes | yes | yes |
oncanplay | yes | yes | yes | yes | yes |
oncanplaythrough | yes | yes | yes | yes | yes |
onchange | yes | yes | yes | yes | yes |
onclick | yes | yes | yes | yes | yes |
onclose | yes | yes | yes | yes | yes |
oncontextmenu | yes | yes | yes | yes | yes |
oncuechange | yes | yes | yes | yes | yes |
ondblclick | yes | yes | yes | yes | yes |
ondevicemotion | yes | yes | yes | yes | yes |
ondeviceorientation | yes | yes | yes | yes | yes |
ondrag | yes | yes | yes | yes | yes |
ondragend | yes | yes | yes | yes | yes |
ondragenter | yes | yes | yes | yes | yes |
ondragleave | yes | yes | yes | yes | yes |
ondragover | yes | yes | yes | yes | yes |
ondragstart | yes | yes | yes | yes | yes |
ondrop | yes | yes | yes | yes | yes |
ondurationchange | yes | yes | yes | yes | yes |
onemptied | yes | yes | yes | yes | yes |
onended | yes | yes | yes | yes | yes |
onerror | yes | yes | yes | yes | yes |
onfocus | yes | yes | yes | yes | yes |
onhashchange | yes | yes | |||
oninput | yes | yes | yes | yes | yes |
oninvalid | yes | yes | yes | yes | yes |
onkeydown | yes | yes | yes | yes | yes |
onkeypress | yes | yes | yes | yes | yes |
onkeyup | yes | yes | yes | yes | yes |
onlanguagechange | yes | yes | |||
onload | yes | yes | yes | yes | yes |
onloadeddata | yes | yes | yes | yes | yes |
onloadedmetadata | yes | yes | yes | yes | yes |
onloadstart | yes | yes | yes | yes | yes |
onmessage | yes | yes | |||
onmousedown | yes | yes | yes | yes | yes |
onmouseenter | yes | yes | yes | yes | yes |
onmouseleave | yes | yes | yes | yes | yes |
onmousemove | yes | yes | yes | yes | yes |
onmouseout | yes | yes | yes | yes | yes |
onmouseover | yes | yes | yes | yes | yes |
onmouseup | yes | yes | yes | yes | yes |
onmousewheel(不推荐,用onwheel替代) | yes | yes | yes | yes | yes |
onoffline | yes | yes | |||
ononline | yes | yes | |||
onpagehide | yes | yes | |||
onpageshow | yes | yes | |||
onpaste | yes | yes | yes | yes | |
onpause | yes | yes | yes | yes | yes |
onplay | yes | yes | yes | yes | yes |
onplaying | yes | yes | yes | yes | yes |
onpopstate | yes | yes | |||
onpointerlockchange | yes | ||||
onpointerlockerror | yes | ||||
onprogress | yes | yes | yes | yes | yes |
onratechange | yes | yes | yes | yes | yes |
onreadystatechange | yes | ||||
onreset | yes | yes | yes | yes | yes |
onresize | yes | yes | yes | yes | yes |
onscroll | yes | yes | yes | yes | yes |
onsearch | yes | yes | yes | yes | yes |
onseeked | yes | yes | yes | yes | yes |
onseeking | yes | yes | yes | yes | yes |
onselect | yes | yes | yes | yes | yes |
onselectionchange | yes | ||||
onselectstart | yes | yes | yes | yes | |
onshow | yes | yes | yes | yes | yes |
onstalled | yes | yes | yes | yes | yes |
onstorage | yes | yes | |||
onsubmit | yes | yes | yes | yes | yes |
onsuspend | yes | yes | yes | yes | yes |
ontimeupdate | yes | yes | yes | yes | yes |
ontoggle | yes | yes | yes | yes | yes |
ontransitionend | yes | ||||
onunload | yes | yes | |||
onvolumechange | yes | yes | yes | yes | yes |
onwaiting | yes | yes | yes | yes | yes |
onwebkitfullscreenchange | yes | yes | yes | yes | |
onwebkitfullscreenerror | yes | yes | yes | yes | |
onwebkitanimationend | yes | ||||
onwebkitanimationiteration | yes | ||||
onwebkitanimationstart | yes | ||||
onwebkittransitionend | yes | ||||
onwheel | yes | yes | yes | yes | yes |
chrome浏览器的事件基本都都列在上面了,基本上每个事件都有.onxxx属性,连animationend这样的HTML5新事件都包含在里面了,不过需要加webkit前缀。除了一下几个比较特殊的以外:
没有onfocusin,但是支持focusin事件
没有onfocusout,但是支持focusout事件
不支持打印事件:onafterprint、onbeforeprint
Safari 3.1 到 6.0 版本才支持transitionend事件, 使用webkitTransitionEnd来绑定
查看事件的具体作用推荐:菜鸟教程HTML DOM事件
IE9中所有的onxxx属性
on事件 | window | document | html | body | element |
onabort | yes | yes | yes | yes | yes |
onactivate | yes | yes | yes | yes | |
onafterprint | yes | yes | |||
onafterupdate | yes | yes | yes | yes | |
onbeforeactivate | yes | yes | yes | yes | |
onbeforecopy | yes | yes | yes | ||
onbeforecut | yes | yes | yes | ||
onbeforedeactivate | yes | yes | yes | yes | |
onbeforeeditfocus | yes | yes | yes | yes | |
onbeforepaste | yes | yes | yes | ||
onbeforeprint | yes | yes | |||
onbeforeunload | yes | yes | |||
onbeforeupdate | yes | yes | yes | yes | |
onblur | yes | yes | yes | yes | yes |
oncanplay | yes | yes | yes | yes | yes |
oncanplaythrough | yes | yes | yes | yes | yes |
oncellchange | yes | yes | yes | yes | |
onchange | yes | yes | yes | yes | yes |
onclick | yes | yes | yes | yes | yes |
oncontextmenu | yes | yes | yes | yes | yes |
oncontrolselect | yes | yes | yes | yes | |
oncopy | yes | yes | yes | ||
oncut | yes | yes | yes | ||
ondataavailable | yes | yes | yes | yes | |
ondatasetchanged | yes | yes | yes | yes | |
ondatasetcomplete | yes | yes | yes | yes | |
ondblclick | yes | yes | yes | yes | yes |
ondeactivate | yes | yes | yes | yes | |
ondrag | yes | yes | yes | yes | yes |
ondragend | yes | yes | yes | yes | yes |
ondragenter | yes | yes | yes | yes | yes |
ondragleave | yes | yes | yes | yes | yes |
ondragover | yes | yes | yes | yes | yes |
ondragstart | yes | yes | yes | yes | yes |
ondrop | yes | yes | yes | yes | yes |
ondurationchange | yes | yes | yes | yes | yes |
onemptied | yes | yes | yes | yes | yes |
onended | yes | yes | yes | yes | yes |
onerror | yes | yes | yes | yes | yes |
onerrorupdate | yes | yes | yes | yes | |
onfilterchange | yes | yes | yes | ||
onfocus | yes | yes | yes | yes | yes |
onfocusin | yes | yes | yes | yes | yes |
onfocusout | yes | yes | yes | yes | yes |
onhashchange | yes | yes | |||
onhelp | yes | yes | yes | yes | yes |
oninput | yes | yes | yes | yes | yes |
onkeydown | yes | yes | yes | yes | yes |
onkeypress | yes | yes | yes | yes | yes |
onkeyup | yes | yes | yes | yes | yes |
onlayoutcomplete | yes | yes | yes | ||
onload | yes | yes | yes | yes | yes |
onloadeddata | yes | yes | yes | yes | yes |
onloadedmetadata | yes | yes | yes | yes | yes |
onloadstart | yes | yes | yes | yes | yes |
onlosecapture | yes | yes | yes | ||
onmessage | yes | yes | |||
onmousedown | yes | yes | yes | yes | yes |
onmouseenter | yes | yes | yes | yes | |
onmouseleave | yes | yes | yes | yes | |
onmousemove | yes | yes | yes | yes | yes |
onmouseout | yes | yes | yes | yes | yes |
onmouseover | yes | yes | yes | yes | yes |
onmouseup | yes | yes | yes | yes | yes |
onmousewheel | yes | yes | yes | yes | yes |
onmove | yes | yes | yes | ||
onmoveend | yes | yes | yes | ||
onmovestart | yes | yes | yes | ||
onmssitemodejumplistitemremoved | yes | ||||
onmsthumbnailclick | yes | ||||
onoffline | yes | yes | |||
ononline | yes | yes | |||
onpaste | yes | yes | yes | ||
onpause | yes | yes | yes | yes | yes |
onplay | yes | yes | yes | yes | yes |
onplaying | yes | yes | yes | yes | yes |
onprogress | yes | yes | yes | yes | yes |
onpropertychange | yes | yes | yes | yes | |
onratechange | yes | yes | yes | yes | yes |
onreadystatechange | yes | yes | yes | yes | yes |
onreset | yes | yes | yes | yes | yes |
onresize | yes | yes | yes | yes | yes |
onresizeend | yes | yes | yes | ||
onresizestart | yes | yes | yes | ||
onrowenter | yes | yes | yes | ||
onrowexit | yes | yes | yes | yes | |
onrowsdelete | yes | yes | yes | yes | |
onrowsinserted | yes | yes | yes | yes | |
onscroll | yes | yes | yes | yes | yes |
onseeked | yes | yes | yes | yes | yes |
onseeking | yes | yes | yes | yes | yes |
onselect | yes | yes | yes | yes | yes |
onselectionchange | yes | ||||
onselectstart | yes | yes | yes | yes | |
onstalled | yes | yes | yes | yes | yes |
onstop | yes | ||||
onstorage | yes | yes | |||
onstoragecommit | yes | ||||
onsubmit | yes | yes | yes | yes | yes |
onsuspend | yes | yes | yes | yes | yes |
ontimeupdate | yes | yes | yes | yes | yes |
onunload | yes | yes | |||
onvolumechange | yes | yes | yes | yes | yes |
onwaiting | yes | yes | yes | yes | yes |
有几个特殊的情况:
没有onpageshow,也不支持该事件,需要IE11+才支持
没有onpagehide,也不支持该事件,需要IE11+才支持
没有onsearch,IE所有版本都不支持该事件
没有onshow,IE所有版本都不支持该事件
没有ontoggle,IE所有版本都不支持该事件
没有onanimationend,也不支持该动画事件,需要IE10+才支持
没有onanimationiteration,也不支持该动画事件,需要IE10+才支持
没有onanimationstart,也不支持该动画事件,需要IE10+才支持
没有过渡ontransitionend,也不支持过渡事件,需要IE10+才支持
没有onwheel,但IE9+支持wheel绑定事件,替代onmousewheel
没有onpopstate
IE8中所有的onxxx属性
on事件 | window | document | html/script /div/a/ button/ span等普通元素 | body | form | iframe | style/link | textarea | select | input(所有type类型) |
onabort | yes | |||||||||
onactivate | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onafterprint | yes | yes | ||||||||
onafterupdate | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
onbeforeactivate | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onbeforecopy | yes | yes | yes | yes | yes | yes | yes | yes | ||
onbeforecut | yes | yes | yes | yes | yes | yes | yes | yes | ||
onbeforedeactivate | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onbeforeeditfocus | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onbeforepaste | yes | yes | yes | yes | yes | yes | yes | yes | ||
onbeforeprint | yes | |||||||||
onbeforeunload | yes | yes | ||||||||
onbeforeupdate | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onblur | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
oncellchange | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onchange | yes | yes | yes | |||||||
onclick | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
oncontextmenu | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
oncontrolselect | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
oncopy | yes | yes | yes | yes | yes | yes | yes | yes | ||
oncut | yes | yes | yes | yes | yes | yes | yes | yes | ||
ondataavailable | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
ondatasetchanged | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
ondatasetcomplete | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
ondblclick | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
ondeactivate | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
ondrag | yes | yes | yes | yes | yes | yes | yes | yes | ||
ondragend | yes | yes | yes | yes | yes | yes | yes | yes | ||
ondragenter | yes | yes | yes | yes | yes | yes | yes | yes | ||
ondragleave | yes | yes | yes | yes | yes | yes | yes | yes | ||
ondragover | yes | yes | yes | yes | yes | yes | yes | yes | ||
ondragstart | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
ondrop | yes | yes | yes | yes | yes | yes | yes | yes | ||
onerror | yes | yes | ||||||||
onerrorupdate | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onfilterchange | yes | yes | yes | yes | yes | yes | yes | yes | ||
onfocus | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onfocusin | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onfocusout | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onhashchange | yes | yes | ||||||||
onhelp | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
onkeydown | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onkeypress | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onkeyup | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onlayoutcomplete | yes | yes | yes | yes | yes | yes | yes | yes | ||
onload | yes | yes | yes | yes | yes | |||||
onlosecapture | yes | yes | yes | yes | yes | yes | yes | yes | ||
onmessage | yes | |||||||||
onmousedown | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onmouseenter | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onmouseleave | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onmousemove | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onmouseout | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onmouseover | yes | yes | yes | yes | yes | yes | yes | yes | ||
onmouseup | yes | yes | yes | yes | yes | yes | yes | yes | ||
onmousewheel | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onmove | yes | yes | yes | yes | yes | yes | yes | yes | ||
onmoveend | yes | yes | yes | yes | yes | yes | yes | yes | ||
onmovestart | yes | yes | yes | yes | yes | yes | yes | yes | ||
onmssitemodejumplistitemremoved | yes | |||||||||
onmsthumbnailclick | yes | |||||||||
onoffline | yes | |||||||||
ononline | yes | |||||||||
onpage | yes | yes | yes | yes | yes | yes | yes | yes | ||
onpaste | yes | yes | yes | yes | yes | yes | yes | yes | ||
onpropertychange | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onreadystatechange | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onreset | yes | |||||||||
onresize | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onresizeend | yes | yes | yes | yes | yes | yes | yes | yes | ||
onresizestart | yes | yes | yes | yes | yes | yes | yes | yes | ||
onrowenter | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onrowexit | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onrowsdelete | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onrowsinserted | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onscroll | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onselect | yes | yes | yes | |||||||
onselectionchange | yes | |||||||||
onselectstart | yes | yes | yes | yes | yes | yes | yes | yes | yes | |
onstop | yes | |||||||||
onstorage | yes | |||||||||
onstoragecommit | yes | |||||||||
onsubmit | yes | |||||||||
onunload | yes | yes |
除了IE9暴露的问题以外还有:
没有oninput,也不支持该事件,需要IE9+才支持
没有多媒体的onxxx属性,也不支持所有的多媒体事件(包括oncanplay/oncanplaythrough/ondurationchange/onemptied...),需要IE9+才支持
Firefox42.0中所有的onxxx属性
on事件 | window | document | html | body | element |
onabort | yes | yes | yes | yes | yes |
onafterprint | yes | yes | |||
onbeforeprint | yes | yes | |||
onbeforeunload | yes | yes | |||
onafterscriptexecute | yes | ||||
onbeforescriptexecute | yes | ||||
onblur | yes | yes | yes | yes | yes |
oncanplay | yes | yes | yes | yes | yes |
oncanplaythrough | yes | yes | yes | yes | yes |
onchange | yes | yes | yes | yes | yes |
onclick | yes | yes | yes | yes | yes |
oncontextmenu | yes | yes | yes | yes | yes |
oncopy | yes | yes | yes | yes | |
oncut | yes | yes | yes | yes | |
ondblclick | yes | yes | yes | yes | yes |
ondevicelight | yes | ||||
ondevicemotion | yes | ||||
ondeviceorientation | yes | ||||
ondeviceproximity | yes | ||||
ondrag | yes | yes | yes | yes | yes |
ondragend | yes | yes | yes | yes | yes |
ondragenter | yes | yes | yes | yes | yes |
ondragleave | yes | yes | yes | yes | yes |
ondragover | yes | yes | yes | yes | yes |
ondragstart | yes | yes | yes | yes | yes |
ondrop | yes | yes | yes | yes | yes |
ondurationchange | yes | yes | yes | yes | yes |
onemptied | yes | yes | yes | yes | yes |
onended | yes | yes | yes | yes | yes |
onerror | yes | yes | yes | yes | yes |
onfocus | yes | yes | yes | yes | yes |
onhashchange | yes | yes | |||
oninput | yes | yes | yes | yes | yes |
oninvalid | yes | yes | yes | yes | yes |
onkeydown | yes | yes | yes | yes | yes |
onkeypress | yes | yes | yes | yes | yes |
onkeyup | yes | yes | yes | yes | yes |
onlanguagechange | yes | yes | |||
onload | yes | yes | yes | yes | yes |
onloadeddata | yes | yes | yes | yes | yes |
onloadedmetadata | yes | yes | yes | yes | yes |
onloadstart | yes | yes | yes | yes | yes |
onmessage | yes | yes | |||
onmousedown | yes | yes | yes | yes | yes |
onmouseenter | yes | yes | yes | yes | yes |
onmouseleave | yes | yes | yes | yes | yes |
onmousemove | yes | yes | yes | yes | yes |
onmouseout | yes | yes | yes | yes | yes |
onmouseover | yes | yes | yes | yes | yes |
onmouseup | yes | yes | yes | yes | yes |
onmozfullscreenchange | yes | yes | yes | yes | yes |
onmozfullscreenerror | yes | yes | yes | yes | yes |
onmozpointerlockchange | yes | yes | yes | yes | yes |
onmozpointerlockerror | yes | yes | yes | yes | yes |
onoffline | yes | yes | |||
ononline | yes | yes | |||
onpagehide | yes | yes | |||
onpageshow | yes | yes | |||
onpaste | yes | yes | yes | yes | |
onpause | yes | yes | yes | yes | yes |
onplay | yes | yes | yes | yes | yes |
onplaying | yes | yes | yes | yes | yes |
onpopstate | yes | yes | |||
onprogress | yes | yes | yes | yes | yes |
onratechange | yes | yes | yes | yes | yes |
onreadystatechange | yes | ||||
onreset | yes | yes | yes | yes | yes |

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HTML, CSS dan JavaScript adalah tiga tiang pembangunan web. 1. HTML mentakrifkan struktur laman web dan menggunakan tag seperti, dan sebagainya. 2. CSS mengawal gaya laman web, menggunakan pemilih dan atribut seperti warna, saiz font, dan lain-lain.
