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HTML DOM 中的 DOM Image 对象
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Image Object
Image 对象
The Image object represents an HTML img element. For each instance of an HTML <img> tag in a document, an Image object is created.
Image对象代表HTML的img元素。每当HTML有<img>标签，Image对象就建立了
IE: Internet Explorer, F: Firefox, N: Netscape, W3C: World Wide Web Consortium (Internet Standard).
Image Object Properties
图片对象属性
| Property 属性 | Description 描述 | IE | F | O | W3C |
|---|---|---|---|---|---|
| align | Sets or returns how to align an image according to the surrounding text 设置或返回怎样根据周围的文字来将图片进行对齐 | 5 | 1 | 9 | Yes |
| alt | Sets or returns an alternate text to be displayed, if a browser cannot show an image 当浏览器不能显示图片的时候设置或返回需要显示的交替文字 | 5 | 1 | 9 | Yes |
| border | Sets or returns the border around an image 设置或返回图片的边框 | 4 | 1 | 9 | Yes |
| complete | Returns whether or not the browser has finished loading the image 返回浏览器是否已经把图片加载完毕 | 4 | 1 | 9 | No |
| height | Sets or returns the height of an image 设置或返回图片的高度 | 4 | 1 | 9 | Yes |
| hspace | Sets or returns the white space on the left and right side of the image 设置或返回图片的左以及右的空白距离 | 4 | 1 | 9 | Yes |
| id | Sets or returns the id of the image 设置或返回图片的id | 4 | 1 | 9 | Yes |
| isMap | Returns whether or not an image is a server-side image map 返回图片是否为服务端热点图片 | 5 | 1 | 9 | Yes |
| longDesc | Sets or returns a URL to a document containing a description of the image 设置或返回到达包含图片描述文档的URL | 6 | 1 | 9 | Yes |
| lowsrc | Sets or returns a URL to a low-resolution version of an image 设置或返回达到一低分辨率图片的URL | 4 | 1 | 9 | No |
| name | Sets or returns the name of an image 设置或返回图片的name | 4 | 1 | 9 | Yes |
| src | Sets or returns the URL of an image 设置或返回图片的URL | 4 | 1 | 9 | Yes |
| useMap | Sets or returns the value of the usemap attribute of an client-side image map 设置或返回客户端热点图片中usemap属性的值 | 5 | 1 | 9 | Yes |
| Sets or returns the white space on the top and bottom of the image 设置或返回图片上以及下的空白间隙 | 4 | 1 | 9 | Yes | |
| width | Sets or returns the width of an image 设置或返回图片的宽度 | 4 | 1 | 9 | Yes |
Standard Properties
标准属性
| Property 属性 | Description 描述 | IE | F | O | W3C |
|---|---|---|---|---|---|
| className | Sets or returns the class attribute of an element 设置或返回元素的class属性 | 5 | 1 | 9 | Yes |
| title | Sets or returns an element's advisory title 设置或返回元素的咨询标题 | 5 | 1 | 9 | Yes |
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