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The onmousedown event occurs when a mouse button is clicked.
当鼠标按键被按下时触发onmousedown事件
onmousedown="所要执行的脚本" |
Parameter 参数 | Description 注释 |
---|---|
SomeJavaScriptCode 所要执行的脚本 | Required. Specifies a JavaScript to be executed when the event occurs. 必选项。当事件触发时所要执行的脚本 |
Supported by the following HTML tags:
所支持的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> |
Supported by the following JavaScript objects:
所支持的JavaScritp对象:
button, document, link |
In this example an alert box is displayed when clicking on the picture:
在下面的例子中,当图片被点击时将弹出一个对话框
<img src="image_w3default.gif" |
The output of the code above will be (click on the picture):
输出结果为:
In this example an alert box will alert the tag name of the element you clicked on:
在下面的例子中,弹出的消息框将显示你所点击的元素名称:
<html> <body onmousedown="whichElement(event)"> <h2>This is a header</h2> </body> |
onmousedown
How to use onmousedown to display an alert box when an image is clicked.
如何应用onmousedown事件在点击一张图片时弹出一个消息框。
onmousedown 2
How to use onmousedown to alert the tag name of the element you clicked on.
如何应用onmousedown事件和弹出框显示所点击的元素名称。