tabs.onZoomChange

browser.tabs.onZoomChange.addListener(listener)
browser.tabs.onZoomChange.removeListener(listener)
browser.tabs.onZoomChange.hasListener(listener)

function handleZoomed(zoomChangeInfo) {
  console.log("Tab: " + zoomChangeInfo.tabId + " zoomed");
  console.log("Old zoom: " + zoomChangeInfo.oldZoomFactor);
  console.log("New zoom: " + zoomChangeInfo.newZoomFactor);
}

browser.tabs.onZoomChange.addListener(handleZoomed);

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

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