Example of solution for background-size IE8 compatibility-CSS Tutorial-php.cn

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Example of solution for background-size IE8 compatibility

高洛峰

Mar 21, 2017 pm 02:58 PM

According to canius (http://caniuse.com/#search=background-size), background-size compatibility is IE9 and above browsers, as shown in the figure below.

解决background-size IE8兼容方案实例

Instance code:

<!doctype html>
<html>

    <head>
        <meta charset="UTF-8" />
        <title>background-size 兼容性处理</title>
        <style type="text/css">
            * {
                margin: 0;
                padding: 0;
            }
            
            .parent {
                width: 400px;
                height: 400px;
                margin: 100px;
                border: 1px solid red;
                background: url(img/aaa.jpg) no-repeat center center;
                background-size: 100% 100%;
            }
        </style>
    </head>

    <body>
        <div>
        </div>
    </body>

</html>

Effect:

(1) Chrome browser:

解决background-size IE8兼容方案实例

(2) IE8 browser:

解决background-size IE8兼容方案实例

Compatibility solution:

Use filter attribute:

.parent {
                width: 400px;
                height: 400px;
                margin: 100px;
                border: 1px solid red;
                background: url(img/aaa.jpg) no-repeat center center;
                background-size: 100% 100%;
                /*下一行为关键设置*/
                filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=&#39;img/aaa.jpg&#39;,  sizingMethod=&#39;scale&#39;);
            }

IE8 browser effect:

解决background-size IE8兼容方案实例

Principle:

filter: progid:DXImageTransform.Microsoft.AlphaImageLoader (enabled=bEnabled, sizingMethod=sSize, src=sURL )

enabled: Optional. Boolean. Sets or retrieves whether the filter is active. true: default value. Filter activated. false: filter is disabled.

sizingMethod: Optional. String. Sets or retrieves how the image of the filtered object is displayed within the boundaries of the object container. crop: Crop the image to fit the object size. image: default value. Increase or decrease the size bounds of the object to fit the dimensions of the picture. scale: Scale the image to fit within the object's size boundaries.

src: Required. String. Specify the background image using an absolute or relative url address. If this parameter is omitted, the filter will have no effect.

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