对JavaScript性能的辅助/设置：window.print（）使默认背景 [英] Supplementary properties/settings for JavaScript:window.print() to enable Backgrounds by default

问题描述

亲爱的乡亲，
我想TOT给我的 打印此页 的按钮，一个特殊的魔法属性sothat它会自动启用默认情况下未设置属性（见图片），即做打印的色彩DIV和BG图像等的背景。

Dear folks, I would like tot give my Print this Page button a special magical property sothat it automatically enabled the by default unset property (see picture) namely to Do Print the Backgrounds of div colors and bg images etc.

<a href="#" onclick="javascript:window.print()"><? echo __('Print'); ?></a>

线索，观点，code，答案或建议，答案都是tremmendously欢迎和我一会AP preciate任何提示都为这个梦想成真。先谢谢了。

Clues, ideas, code, answers or suggestions as answers are all tremmendously welcome and I a will appreciate any hints at all for this dream to come true. Thanks in advance.

推荐答案

这不能做，很遗憾​​。这是默认在所有浏览器禁用（除非用户在改变它的及其的设置）。

This cannot be done, unfortunately. This is disabled across all browsers by default (unless a user changes it in their settings).

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