expression() function is unsupported Browser Compatibility Check

Description

CSS expressions are only supported by Internet Explorer.

Help

CSS property values like height: expression( 3*4 ); are only supported by IE6 and IE7. They are not supported in other browsers or IE8 and later in standards mode.

Applicable standards

• Android
• Chrome
• Edge
• Internet Explorer
• Firefox
• Opera
• Safari
• iPhone/iPad

Change history

• 6.46 Sep 2022 Removed - expressions were only supported in IE6 and IE7.
• 5.27 Oct 2017 Fixed false positive.
• 4.2 Dec 2010 Now fires for iOS.
• 4.0 Jun 2010 Added.

This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.

Rule ID: BugIeCssExpressions