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/Web APIs

Client: url 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 2018⁩.

Note: This feature is only available in Service Workers.

The url read-only property of the Client interface returns the URL of the current service worker client.

Value

A string.

Examples

self.addEventListener("notificationclick", (event) => {
  console.log("On notification click: ", event.notification.tag);
  event.notification.close();

  // This looks to see if the current is already open and
  // focuses if it is
  event.waitUntil(
    clients
      .matchAll({
        type: "window",
      })
      .then((clientList) => {
        for (const client of clientList) {
          if (client.url === "/" && "focus" in client) {
            return client.focus();
          }
        }
        if (clients.openWindow) {
          return clients.openWindow("/");
        }
      }),
  );
});

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
url 40 17 44 27 11.1 40 44 27 11.3 4.0 40 No

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https://developer.mozilla.org/en-US/docs/Web/API/Client/url