How Can I Emulate :nth-child in Internet Explorer 8?

Emulating :nth-child in Internet Explorer 8

Internet Explorer 8 lacks support for the :nth-child selector, which can be problematic when trying to style elements based on their position within a parent element. In such cases, an alternative solution is needed.

Fortunately, the adjacent sibling combinator ( ) can be leveraged to achieve similar results in IE7 and IE8. For instance, the following CSS snippet:

#nav-primary ul li:first-child a {
    border-top: 5px solid red;
}
/* ... */
#nav-primary ul li:first-child + li + li a {
    border-top: 5px solid green;
}

Is equivalent to:

#nav-primary ul li:nth-child(1) a {
    border-top: 5px solid red;
}
/* ... */
#nav-primary ul li:nth-child(3) a {
    border-top: 5px solid green;
}

However, it's important to note that this technique cannot emulate more complex variations of :nth-child(), such as :nth-child(odd) or :nth-child(4n 3).

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