on

英[ɒn]   美[ɑ:n]  

prep. (indicating direction) to; (indicating object) to; (indicating position) on...; (indicating time) at the time of...

adv. (put, wear, connect) on; forward, (continue) go on

adj. active situation, state ;used; happening; planned

mouse

英[maʊs] 美[maʊs]

n. Mouse; mouse ; a shy [timid] person; [informal] bruised eyes

vi.catching mice; spying, secretly looking for

Plural: mice

out

UK[aʊt] US[aʊt]

adv.Out; outside, outside; completely, thoroughly; published

prep. (meaning Source) from; (from...) to come out; (to express not being in the original state) to break away; to leave of; peripheral

n. Not popular; out

Third person singular: outs Plural: outs Present participle: outing Past tense: outed Past participle: outed

javascript onmouseout attribute syntax

Function: Occurs when the mouse pointer moves out of the specified object.

Syntax: onmouseout="SomeJavaScriptCode"

Parameters: SomeJavaScriptCode Required. Specifies the JavaScript to be executed when this event occurs.​

javascript onmouseout attribute example

<html>
<head>
    <meta charset="UTF-8">

</head>
<body>

<img src="http://img.php.cn/upload/article/000/005/656/5af270fd37755429.jpg" onmouseout="alert('鼠标离开了这张图片!')" />
<p>移动鼠标离开图片触发事件</p>
</body>
</html>

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