浏览器何时开始每个标签支持多个类？ [英] When did browsers start supporting multiple classes per tag?

问题描述

您可以在当前网络浏览器中的HTML标记中使用多个css类，例如：

You can use more than one css class in an HTML tag in current web browsers, e.g.:

<div class="style1 style2 style3">foo bar</div>

这并不总是奏效;

推荐答案

@Wayne Kao - IE6在阅读多个文章时没有问题类名称，以及应用属于每个类的样式。

@Wayne Kao - IE6 has no problem reading more than one class name on an element, and applying styles that belong to each class. What the article is referring to is creating new styles based on the combination of class names.

<div class="bold italic">content</div>

.bold {
  font-weight: 800;
}

.italic {
  font-style: italic;
{

IE6会对div应用粗体和斜体样式。但是，假设我们希望所有具有粗体和斜体类的元素也是紫色的。在Firefox（或者可能是IE7，不确定），我们可以这样写：

IE6 would apply both bold and italic styles to the div. However, say we wanted all elements that have bold and italic classes to also be purple. In Firefox (or possibly IE7, not sure), we could write something like this:

.bold.italic {
  color: purple;
}

这不会在IE6中工作。

That would not work in IE6.

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