Window: launchQueue property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental:This is anexperimental technology
Check theBrowser compatibility table carefully before using this in production.

ThelaunchQueue read-only property of theWindow interface provides access to theLaunchQueue class, which allows custom launch navigation handling to be implemented in aprogressive web app (PWA), with the handling context signified by thelaunch_handler manifest fieldclient_mode value.

The custom launch navigation handling functionality is controlled by the properties of theLaunchParams object passed into theLaunchQueue.setConsumer() callback function.

Value

ALaunchQueue object instance.

Examples

if ("launchQueue" in window) {  window.launchQueue.setConsumer((launchParams) => {    if (launchParams.targetURL) {      const params = new URL(launchParams.targetURL).searchParams;      // Assuming a music player app that gets a track passed to it to be played      const track = params.get("track");      if (track) {        audio.src = track;        title.textContent = new URL(track).pathname.substring(1);        audio.play();      }    }  });}