CSSConditionRule: conditionText property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.

The read-only conditionText property of the CSSConditionRule interface returns or sets the text of the CSS rule.

Value

A string.

The following example demonstrates reading the value of conditionText on a CSSMediaRule which implements the CSSConditionRule interface.

css

@media (width >= 500px) {
 body {
 color: blue;
 }
}

const targetRule = document.styleSheets[0].cssRules[0];
console.log(targetRule.conditionText); // "(width >= 500px)"

Specification
CSS Conditional Rules Module Level 3 # dom-cssconditionrule-conditiontext

This page was last modified on Jul 1, 2025 by MDN contributors.