<!DOCTYPE html> <html> <head> <title>Test for window.open() when browser is in fullscreen</title> </head> <body> <script> window.addEventListener("load", function onLoad() { window.removeEventListener("load", onLoad, true); document.getElementById("test").addEventListener("click", onClick, true); }, true); function onClick(aEvent) { aEvent.preventDefault(); var dataStr = aEvent.target.getAttribute("data-test-param"); var data = JSON.parse(dataStr); window.open(data.uri, data.title, data.option); } </script> <a id="test" href="" data-test-param="">Test</a> </body> </html>