files/en-us/web/api/medialist/tostring/index.md
{{APIRef("CSSOM")}}
The toString() {{Glossary("stringifier")}} method of the {{domxref("MediaList")}} interface returns a string representing the object's values. The value is a comma-separated list of media values in the same format as the {{domxref("MediaList.mediaText")}} property.
toString()
None.
A string.
const firstStyleSheet = document.styleSheets[0]; // the document's first stylesheet
const mediaList = firstStyleSheet.media; // the mediaList of the stylesheet
// set the `media` text to a media query value
mediaList.mediaText = "SCREEN AND (140PX <= WIDTH <= 380PX)";
// add a second media value
mediaList.appendMedium("SCREEN AND (ORIENTATION: LANDSCAPE))");
// erroneously, add the same media query again
mediaList.appendMedium("SCREEN AND (ORIENTATION: LANDSCAPE))");
console.log(mediaList.toString());
// "screen and (140px <= width <= 380px), screen and (orientation: landscape)"
{{Specifications}}
{{Compat}}