但是DHTML和事件处理程序有不同的浏览器兼容性模式。

But DHTML and event handling have different browser compatibility patterns.

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换句话说，所有的浏览器需要提供两种模式：怪异模式(即兼容模式)服务于旧式规则，严格模式服务于标准规则。

In other words, all browsers needed two modes: quirks mode for the old rules, strict mode for the standard.

youdao

问题可能是一个现代的浏览器已经下降了IE6兼容性模式下。

The problem could be that a modern web browser have dropped the compatibility-mode for IE6 and below.

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