onmouseup 事件
定义和用法
onmouseup 事件会在鼠标按键被松开时发生。
语法
- onmouseup="SomeJavaScriptCode"
参数 | 描述 |
---|---|
SomeJavaScriptCode | 必需。规定该事件发生时执行的 JavaScript。 |
支持该事件的 HTML 标签:
- <a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>, <body>, <button>,
- <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>,
- <form>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>,
- <li>, <map>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>,
- <sub>, <sup>, <table>, <tbody>, <td>, <textarea>, <tfoot>, <th>, <thead>,
- <tr>, <tt>, <ul>, <var>
支持该事件的 JavaScript 对象:
- button, document, link
实例 1
在本例中,在点击图片并松开鼠标按键后,将显示一个对话框:
- <img src="/i/eg_mouse2.jpg" alt="mouse"
onmouseup="alert('您点击了图片!')"
/>
输出:(请点击图片):
实例 2
在本例中,对话框中会显示出您所点击的元素的标签名:
- <html>
- <head>
- <script type="text/javascript">
- function whichElement(e)
- {
- var targ
- if (!e) var e = window.event
- if (e.target) targ = e.target
- else if (e.srcElement) targ = e.srcElement
- if (targ.nodeType == 3) // defeat Safari bug
- targ = targ.parentNode
- var tname
- tname=targ.tagName
- alert("You clicked on a " + tname + " element.")
- }
- </script>
- </head>
- <body
onmouseup="whichElement(event)"
>- <h2>This is a header</h2>
- <p>This is a paragraph</p>
- <img border="0" src="ball16.gif" alt="Ball">
- </body>
- </html>