onerror事件

Definition and Usage
定义与用法

The onerror event is triggered when an error occurs loading a document or an image.
当加载过程中产生错误时触发onerror事件

Syntax
语法

onerror="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:
<img>, <object>, <style>
Supported by the following JavaScript objects:
 
所支持的JavaScript对象:
window, image

Example
实例

In this example an alert box will be displayed if an error occurs when loading an image:
在下面的例子中,当加载图片错误时将弹出一个消息框:
<img src="image.gif"
onerror="alert('The image could not be loaded.')">
 
 
文章来源: [url]http://www.fzs8.net/Java/JavaScript/2007-05-25/3972.html[/url]

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