on
English [?n] US [ɑ:n]
prep.(??? ???) to;(??? ???) on...; ..
adv.(??, ????, ????) ??, (??) ???
adj. ???; ???
英[ ??b?:rt]
vt. ?? ??? ????; ??; ?? n. ??; ?? ??: ??? ?? ??: ???
?????? onabort ?? ???
??: ??? ??? ???? ???? ?????. ? ???? ??? ??? ???? ?? ???? ??? ??? ??? ?(?: ?? ?? ??) ?????.
??: ??onabort="SomeJavaScriptCode"
????: SomeJavaScriptCode ?????. ? ???? ??? ? ??? JavaScript? ?????.?
?????? onabort ?? ?
<html>
<head>
<script type="text/javascript">
function abortImage()
{
alert('Error: Loading of the image was aborted')
}
</script>
</head>
<body>
<img src="http://img.php.cn/upload/article/000/005/656/5af270fd37755429.jpg" onabort="abortImage()" />
</body>
</html>???? ?? ?
??? ????? ??? "???? ??" ??? ?????