The new filter API lets you examine and modify a document’s structure during parsing by asking a parser to accept, skip, or remove a node and its children from the resulting tree.

新的过滤器 API 使您可以在解析期间通过请求解析器接受、忽略一个节点及其子节点或者将它们从产生的树中删除，来检查和修改文档的结构。

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Similarly, if it is dusty or there are a lot of other larger particles in the air, this will filter out larger wavelengths, resulting in a red sky and red sun.

同样，如果空气中尘埃比较多，或是空气中有很多其它大颗粒，那么那些较长的光波就会被过滤掉，于是天空就会是红色，太阳也会是红色。

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This is because the static value makes the browser cache the filter rendering as a raster, resulting in a better allocation of resources, and thus better performance.

这是因为static使得浏览器缓存了滤镜渲染效果图，使用了更多的资源，因此性能也更好。

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The resulting cellphone images were low-quality, but nothing a little sepia-filter couldn't fix.

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